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Topical›Physics 0625›Thermal physics›Thermal properties and temperature›Paper 1

Thermal properties and temperature — Paper 1 · IGCSE Physics 0625

2.2· 283 questions · 283 marks · 340 min · 2005–2025· Multiple choice

Every Cambridge IGCSE Physics Paper 1 question on thermal properties and temperature, laid out as 93 A4 pages with the mark scheme below. Nothing is left out. Free to read, no account.

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Questions93 pages

Question 1: The graph shows the change in temperature of a material as it is heated. Which part on the graph shows when the material is boiling? D temp…Question 2: An experiment is set up as shown. pressure gauge air flask water heat What does the pressure gauge show as the air in the flask becomes hot…Question 3: The diagram shows a block of ice placed in a warm room. At which point is the temperature the lowest? A B clamp C ice table D1 / 93
Question 4: A drop of liquid falls on a student’s skin and quickly evaporates. What is the effect on the skin and the reason? A The skin cools because …Question 5: A knife is being sharpened on a rotating sharpening-stone. A spark flies off and lands on the operator’s hand. The spark is a very hot, ver…Question 6: Which substance is a liquid at a room temperature of 25 oC? substance melting point / oC boiling point / oC A –218 –183 B –39 357 C 44 280 …Question 7: To mark a temperature scale on a thermometer, fixed points are needed. Which is a fixed point? A the bottom end of the thermometer tube B t…Question 8: Four blocks, made of different materials, are each given the same quantity of internal (heat) energy. Which block has the greatest thermal …2 / 93
Question 9: A long thin bar of copper is heated evenly along its length. copper bar heat What happens to the bar? A It becomes lighter. B It becomes lo…Question 10: The graph shows how the temperature of hot liquid wax changes with time as the wax is allowed to cool. At which labelled point on the graph…Question 11: 1 kg of water and 1 kg of aluminium are heated to the same temperature and then allowed to cool in a room. Why does the aluminium cool more…Question 12: The table lists the melting points and the boiling points of four different substances A, B, C and D. Which substance is a gas at 25 °C? su…3 / 93
Question 13: The diagram shows four blocks of steel. The same quantity of heat is given to each block. Which block shows the greatest rise in temperatur…Question 14: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …Question 15: Some liquid is heated in a flask. The diagrams show the height of the liquid in the tube when the liquid is cold and when it is hot. cold h…4 / 93
Question 16: The thermometer in the diagram has no scale. bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in boiling water …Question 17: A sample of a solid is heated for 12 minutes and its temperature noted every minute. The results are shown in the table. time / min 0 1 2 3…5 / 93
Question 18: Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with tim…Question 19: An engineer wants to fix a steel washer on to a steel rod. The rod is just too big to fit into the hole of the washer. steel steel rod wash…Question 20: The graph shows the change in temperature of a substance as it is heated steadily. Which part of the graph shows when the substance is boil…6 / 93
Question 21: Four blocks, made of different materials, are each given the same quantity of internal energy (heat). Which block has the greatest thermal …Question 22: To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point? A ro…Question 23: The table gives the melting points and boiling points of glycerine and benzene. melting point boiling point glycerine 18 °C 290 °C benzene …7 / 93
Question 24: An electrical component X is placed in water, as shown. A thermometer X water When the temperature of the water is increased, the reading o…Question 25: To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point? A ro…Question 26: The table gives the melting points and boiling points of glycerine and benzene. melting point boiling point glycerine 18 °C 290 °C benzene …8 / 93
Question 27: An electrical component X is placed in water, as shown. A thermometer X water When the temperature of the water is increased, the reading o…Question 28: A thermometer has a scale which starts at –10 °C and ends at 110 °C. –10 0 100 110 °C What is the value of the lower fixed point and of the…9 / 93
Question 29: A student carries out an experiment to find the melting point of wax. The graph shows how the temperature of the wax changes as it cools. X…Question 30: A thermometer has a scale which starts at –10 °C and ends at 110 °C. –10 0 100 110 °C What is the value of the lower fixed point and of the…10 / 93
Question 31: A student carries out an experiment to find the melting point of wax. The graph shows how the temperature of the wax changes as it cools. X…11 / 93
Question 32: A beaker containing ice and a thermometer is left in a warm room for 15 minutes. No water is visible in the beaker until 5 minutes has pass…12 / 93
Question 33: A beaker containing ice and a thermometer is left in a warm room for 15 minutes. No water is visible in the beaker until 5 minutes has pass…Question 34: A block of ice cream is prevented from melting by wrapping it in newspaper soaked in water. The water evaporates from the newspaper. Which …13 / 93
Question 35: A beaker containing ice and a thermometer is left in a warm room for 15 minutes. No water is visible in the beaker until 5 minutes has pass…Question 36: When a liquid evaporates, some molecules escape from it and its temperature changes. From where do the molecules escape and what is the eff…14 / 93
Question 37: The diagram shows a thermometer calibrated in degrees Celsius. °C 110 100 90 80 70 60 50 40 30 20 10 0 –10 What are the values of the lower…Question 38: An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C. After a short time, some of the ice has melted and the …Question 39: An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C. After a short time, some of the ice has melted and the …15 / 93
Question 40: The diagram shows a thermometer calibrated in degrees Celsius. °C 110 100 90 80 70 60 50 40 30 20 10 0 –10 What are the values of the lower…Question 41: When a liquid evaporates, some molecules escape from it and its temperature changes. From where do the molecules escape and what is the eff…Question 42: An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C. After a short time, some of the ice has melted and the …16 / 93
Question 43: The diagram shows a thermometer calibrated in degrees Celsius. °C 110 100 90 80 70 60 50 40 30 20 10 0 –10 What are the values of the lower…Question 44: A swimmer feels cold after leaving warm water on a warm, windy day. Why does she feel cold even though the air is warm? A The less energeti…Question 45: Which physical property is used to measure temperature in a liquid-in-glass thermometer? A the length of the thermometer B the thickness of…17 / 93
Question 46: The graph shows the temperature of a substance as it is heated steadily. In which part of the graph is the substance boiling? D temperature…Question 47: A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down…Question 48: Which physical property is used to measure temperature in a liquid-in-glass thermometer? A the length of the thermometer B the thickness of…18 / 93
Question 49: The graph shows the temperature of a substance as it is heated steadily. In which part of the graph is the substance boiling? D temperature…Question 50: A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down…Question 51: The table lists the melting points and the boiling points of four different substances. Which substance is a liquid at 0 °C? melting point …19 / 93
Question 52: A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for…Question 53: The graph shows the temperature of a substance as it is heated steadily. In which part of the graph is the substance boiling? D temperature…Question 54: Four blocks, made from different materials, are each heated so that they have the same increase in internal energy. Which block has the sma…20 / 93
Question 55: A thermometer bulb is covered by a piece of damp absorbent cloth. thermometer damp cloth air bulb Air at room temperature is blown across t…Question 56: The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy (heat) is given to …21 / 93
Question 57: A mercury thermometer with no scale is taped to a ruler as shown. When the thermometer is placed in steam, the mercury level rises to 22.0 …Question 58: A gas storage tank has a fixed volume. The graph shows how the temperature of the gas in the tank varies with time. temperature X Y time At…22 / 93
Question 59: The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy (heat) is given to …Question 60: A mercury thermometer with no scale is taped to a ruler as shown. When the thermometer is placed in steam, the mercury level rises to 22.0 …23 / 93
Question 61: A thermometer bulb is covered by a piece of damp absorbent cloth. thermometer damp cloth air bulb Air at room temperature is blown across t…Question 62: The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy (heat) is given to …24 / 93
Question 63: A mercury thermometer with no scale is taped to a ruler as shown. When the thermometer is placed in steam, the mercury level rises to 22.0 …Question 64: Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with tim…25 / 93
Question 65: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …Question 66: Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with tim…26 / 93
Question 67: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …Question 68: A closed flask of gas is placed in a cold-water bath. thermometer cold water gas As the flask cools, the temperature of the gas decreases. …27 / 93
Question 69: Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with tim…Question 70: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …Question 71: During evaporation, molecules escape rapidly from the surface of a liquid. What happens to the average energy of the molecules of the remai…28 / 93
Question 72: A telephone engineer connects a wire between two poles when the weather is very cold. He makes the wire very loose. The wire passes over a …Question 73: In an experiment, a thermometer is placed in a test-tube of hot liquid. The temperature of the liquid is recorded every half minute. The ta…Question 74: A liquid-in-glass thermometer is marked with a scale in °C. °C –10 0 10 20 30 40 50 60 70 80 90 100 110 What is the temperature difference …Question 75: Which statement gives the thermal capacity of a solid body? A the energy needed to melt the body without a change in temperature B the ener…29 / 93
Question 76: In an experiment, a thermometer is placed in a test-tube of hot liquid. The temperature of the liquid is recorded every half minute. The ta…Question 77: In an experiment, a thermometer is placed in a test-tube of hot liquid. The temperature of the liquid is recorded every half minute. The ta…Question 78: A telephone engineer connects a wire between two poles when the weather is very cold. He makes the wire very loose. The wire passes over a …30 / 93
Question 79: During evaporation, molecules escape rapidly from the surface of a liquid. What happens to the average energy of the molecules of the remai…Question 80: Some gas is trapped in a container of fixed volume. The temperature of the gas increases. Which graph shows how the pressure of the gas cha…Question 81: Which points are the fixed points of the liquid-in-glass thermometer shown? –10 0 10 20 30 40 50 60 70 80 90 100 110 °C A the beginning and…31 / 93
Question 82: Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heat…Question 83: Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heat…32 / 93
Question 84: Which points are the fixed points of the liquid-in-glass thermometer shown? –10 0 10 20 30 40 50 60 70 80 90 100 110 °C A the beginning and…Question 85: Some liquid is poured into a metal dish on a wooden table. The dish, the liquid, the table and the air around the dish are all at the same …Question 86: The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input…33 / 93
Question 87: Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heat…Question 88: When steam condenses it becomes liquid water. When liquid water solidifies it becomes ice. What happens to the temperature of steam while i…34 / 93
Question 89: A thermometer has graduations which start at –10 °C and end at 110 °C. –10 0 100 110 °C What is the lower fixed point and what is the upper…Question 90: The pressure of a fixed mass of gas in a cylinder is measured. The temperature of the gas in the cylinder is then slowly increased. The vol…35 / 93
Question 91: The thermometer in the diagram has no scale. stem bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in a freezer…Question 92: A solid is heated from room temperature. The graph shows how its temperature changes with time as it is heated constantly. At which time ha…Question 93: Puddles of rain water remain after a storm. The water in the puddles gradually evaporates. How does the evaporation affect the temperature …36 / 93
Question 94: The thermometer in the diagram has no scale. stem bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in a freezer…Question 95: Two metal blocks X and Y are at room temperature. Each block is heated so that its temperature rises by 10 °C. The blocks are now allowed t…Question 96: Molecules escape from a liquid during evaporation. The temperature of the remaining liquid changes. Which molecules escape and how does the…37 / 93
Question 97: The thermometer in the diagram has no scale. stem bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in a freezer…Question 98: A solid is heated from room temperature. The graph shows how its temperature changes with time as it is heated constantly. S T temperature …38 / 93
Question 99: Which row is correct for the evaporation of a liquid? the particles escaping the average kinetic from the liquid are on energy of particles…Question 100: A long thin bar of copper is heated evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. B It becomes…Question 101: A solid is heated from room temperature. The graph shows how its temperature changes with time as it is heated constantly. S T temperature …39 / 93
Question 102: The diagram shows four markings on a liquid-in-glass thermometer. 110 °C 100 °C 0 °C –10 °C Which temperatures are the upper and lower fixe…Question 103: The thermal capacity of solid Y is greater than that of solid Z. What is a consequence of this? A Solid Y needs less thermal energy to melt…Question 104: A circular metal disc is heated. Which quantity decreases? A its density B its diameter C its thickness D its volumeQuestion 105: The same quantity of thermal (heat) energy is given to two objects X and Y. The temperature rise of object X is less than the temperature r…40 / 93
Question 106: A circular metal disc is heated. Which quantity decreases? A its density B its diameter C its thickness D its volumeQuestion 107: A block of copper and a block of lead are heated. The internal energy of each block increases by the same amount. The block of copper has a…Question 108: A circular metal disc is heated. Which quantity decreases? A its density B its diameter C its thickness D its volumeQuestion 109: The diagram shows a mercury-in-glass thermometer. The scale of the thermometer has not been marked. l The length l increases uniformly with…41 / 93
Question 110: The table lists the melting points and the boiling points of four different substances. Which substance is a liquid at 0 °C? melting point …Question 111: Which quantity gives the thermal capacity of a solid object? A the energy lost by radiation from the object in 1.0 s B the energy needed to…Question 112: To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point on th…Question 113: The diagram shows electricity cables being put up on a warm day. The cables are left loose between the poles, as shown in the diagram. Why …42 / 93
Question 114: A substance loses thermal energy (heat) to the surroundings at a steady rate. The graph shows how the temperature of the substance changes …Question 115: A student wishes to check the upper and the lower fixed points on a Celsius scale thermometer. –10 0 10 20 30 40 50 60 70 80 90 100 110 °C …Question 116: The same quantity of thermal energy is supplied to two solid objects X and Y. The temperature increase of object X is greater than the temp…Question 117: Which statement describes what happens as ice at 0 °C starts to melt to become water? A Energy is absorbed and the temperature remains cons…43 / 93
Question 118: What is meant by the fixed points of the scale of a liquid-in-glass thermometer? A the distance between one scale division and the next B t…Question 119: A liquid at room temperature fills a flask and a glass tube to level X. X Y liquid The flask is now placed in ice, and the liquid level in …Question 120: A sealed bottle of constant volume contains air. The air in the bottle is heated by the Sun. What is the effect on the average speed of the…44 / 93
Question 121: The melting points of ethanol and mercury are shown. melting point / °C ethanol –114 mercury –39 Which of these two liquids is / are suitab…Question 122: A jug of water is at room temperature. Several ice cubes at a temperature of 0 °C are dropped into the water and they begin to melt immedia…Question 123: Which quantity gives the thermal capacity of a beaker? A the thermal energy required to change the state of the beaker at constant temperat…Question 124: When a liquid evaporates, some of its molecules escape from the surface and the temperature of the liquid changes. Which row describes the …45 / 93
Question 125: A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 °C. boiling water melting ic…Question 126: Changes in which physical property cannot be used for temperature measurement? A decay rate of a radioactive source B electrical resistance…Question 127: A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 °C. boiling water melting ic…46 / 93
Question 128: A liquid-in-glass thermometer is to be calibrated in degrees Celsius. Where should the bulb of the thermometer be placed to set a fixed poi…Question 129: A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 °C. boiling water melting ic…Question 130: A liquid-in-glass thermometer works because the liquid shows a change in A colour. B mass. C thermal capacity. D volume.Question 131: When a thermometer is calibrated, the fixed points are marked. What are fixed points? A all the marks on the temperature scale which cannot…47 / 93
Question 132: Which statement defines the thermal capacity (heat capacity) of a solid body? A the energy needed to melt the body without a change in temp…Question 133: A substance can exist in three different states: solid, liquid or gas. Each of the two statements below describes a change of state. change…Question 134: The diagram shows a metal foot bridge located in the Sahara desert where the temperature is much less at night than during the day. The end…48 / 93
Question 135: Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heat…Question 136: A glass bottle has a metal cap. The cap fits very tightly and is difficult to remove. The cap and the neck of the bottle are dipped in a bo…49 / 93
Question 137: Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heat…Question 138: A glass of water is taken out of a refrigerator. Several ice cubes are put into the glass of water. The glass is then left in the room for …50 / 93
Question 139: The temperature of a bridge rises from 5 °C on a cold night to 25 °C at midday. What happens to the bridge? A It becomes heavier. B It beco…Question 140: Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heat…51 / 93
Question 141: A solid substance is heated at a constant rate. The solid changes into a liquid and then into a gas. The graph shows how the temperature of…Question 142: A strip of iron and a strip of brass are firmly attached to each other along their entire length. This combination is a bimetallic strip. i…52 / 93
Question 143: The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one m…Question 144: Which row identifies the fixed points on the Celsius scale? lower fixed point upper fixed point A boiling point of mercury melting point of…Question 145: The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one m…53 / 93
Question 146: Which statement about the direction of a change of state is correct? A Evaporation is the reverse process to boiling. B Evaporation is the …Question 147: Which property cannot be used for the measurement of temperature? A half-life of a radioactive isotope B length of a solid metal bar C pres…Question 148: The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one m…Question 149: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …54 / 93
Question 150: A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for…Question 151: An electric kettle heats some water. The same kettle then heats a different liquid. The temperature of the liquid rises more rapidly than t…Question 152: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …Question 153: A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for…55 / 93
Question 154: A pure liquid is left in an open beaker and some of the liquid molecules escape by evaporation. Which statement about this process is corre…Question 155: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …Question 156: A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for…56 / 93
Question 157: Which diagram shows how the thermal capacity of a silver object depends on its mass? A B thermal thermal capacity capacity 0 0 0 mass 0 mas…Question 158: The distance between two electricity pylons is 60 m. An engineer fits a cable of length 62 m between the pylons. Why does the engineer choo…Question 159: Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time. 100 temperature / °C X 0 –10 tim…57 / 93
Question 160: The metal lid on a glass jar is difficult to unscrew. The jar is placed in a warm oven until the jar and the lid reach the same temperature…Question 161: Two cold metal containers X and Y are both filled with the same mass of hot water at the same temperature. Both containers are well insulat…Question 162: Liquid in a dish evaporates. This causes the temperature of the remaining liquid to change. Which row is correct? change in reason for temp…Question 163: Which row shows the relative order of thermal expansion of solids, liquids and gases? most expansion least expansion A solids liquids gases…58 / 93
Question 164: Steam at 100 °C condenses to form water at 100 °C. What happens to the average separation and what happens to the average speed of the wate…Question 165: On a cold day, a metal measuring tape graduated in millimetres is used to measure the distance between two fence posts. The measuring tape …Question 166: A thermometer has graduations which start at –10 °C and end at 110 °C. –10 0 100 110 °C What is the lower fixed point and what is the upper…Question 167: Which row describes the process of melting? change in initial state final state temperature? A liquid gas yes B liquid solid no C solid gas…59 / 93
Question 168: When a liquid evaporates, some molecules escape. The temperature of the remaining liquid changes. What is the effect on the temperature and…Question 169: What happens when a metal block is heated? A Its breadth, height and length all increase. B Its width increases only. C Its height increase…Question 170: A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down…60 / 93
Question 171: The diagram shows the changes of state P, Q, R and S that occur in solids, liquids and gases when they gain or lose thermal energy. gain th…Question 172: A sample of mercury is heated. In which states of matter will its volume increase as its temperature rises? A gas only B liquid and gas onl…Question 173: The resistance of a resistor varies linearly with temperature as shown on the graph. 120 resistance / Ω 110 100 90 80 70 60 –20 0 20 40 60 …61 / 93
Question 174: A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down…Question 175: Which row describes the process of condensation? separation change of state of molecules A gas to liquid decreases B gas to liquid increase…Question 176: Here are three statements about a liquid-in-glass thermometer with a Celsius scale. 1 The lower fixed point is the temperature at which pur…62 / 93
Question 177: A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down…Question 178: A student investigates the melting point of a pure substance. She heats the substance slowly and takes readings of its temperature as the s…Question 179: Which statement about the evaporation of a liquid is correct? A The least energetic molecules escape from the surface and the temperature o…Question 180: Which effect is caused by thermal expansion? A a metal surface heating up in direct sunlight B ice-cream melting on a hot day C a railway t…63 / 93
Question 181: A liquid-in-glass thermometer uses a change in a property of a liquid to measure temperature. Which property is used? A mass B thermal capa…Question 182: The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input…Question 183: What is the unit of thermal energy? A °C B N C J D WQuestion 184: A driver of a car measures the pressure of the air in the tyres. He measures the pressure again after a long journey. The pressure reading …64 / 93
Question 185: Some water in a glass flask is gently heated. water level in tube glass tube glass flask water heat Why does the water level in the glass t…Question 186: What is the temperature difference between the fixed points on the °C temperature scale? A 10 °C B 100 °C C 110 °C D 120 °CQuestion 187: The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input…65 / 93
Question 188: A fixed mass of gas is trapped in a container. The temperature of the gas is increased but the volume of the gas is kept constant. fixed ma…Question 189: The diagram shows a liquid-in-glass thermometer. liquid thread 110 °C –10 0 10 20 30 40 50 60 70 80 90 100 When the temperature of the ther…Question 190: A liquid-in-glass thermometer has a range from –10 °C to 110 °C. What are the fixed point temperatures used when calibrating this thermomet…66 / 93
Question 191: The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input…Question 192: The thermometer in the diagram has no scale. Before this thermometer can be used to measure temperature, two standard temperatures known as…Question 193: When a hot gas is left to cool, its internal energy decreases. What causes this? A a decrease in the kinetic energy of the gas particles B …67 / 93
Question 194: The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy is given to each bl…Question 195: The diagram shows a liquid-in-glass thermometer. °C –10 0 10 20 30 40 50 60 70 80 90 100 110 What is the temperature difference between the…Question 196: A metal block is left overnight in a cool, shady room. In the morning, the metal block is moved into warm surroundings. Which statement abo…Question 197: The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy is given to each bl…68 / 93
Question 198: The diagram shows a liquid-in-glass thermometer. X Y Which row gives the correct labels for the thermometer? X Y A water narrow tube of uni…Question 199: The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy is given to each bl…Question 200: A gas is cooled so that its molecules move more slowly, come closer together and do not move freely. Which process is being described? A bo…Question 201: When a bridge is built, a gap is left between each concrete slab. Why are these gaps left? A Concrete expands on warm days. B Concrete cont…69 / 93
Question 202: The table shows the melting and boiling points of four different substances. Which substance becomes a liquid when placed in a beaker of bo…Question 203: On a warm day, a driver checks the air pressure in a car tyre. At night, the temperature drops and the air pressure in the tyre decreases. …Question 204: A bimetallic strip is used to control the temperature of electrical appliances. It is made of two different metals fixed together. The diag…Question 205: Samples of four different substances are heated in turn by the same heater, for the same time duration and in the same conditions. The incr…70 / 93
Question 206: Which physical property changes when temperature is measured with a liquid-in-glass thermometer? A electromotive force B pressure C resista…Question 207: Two different pure substances X and Y are heated. Both substance X and substance Y are initially in the solid state. The graph shows how th…Question 208: A beaker of liquid is heated slowly so that the liquid evaporates. During evaporation, from where do the more energetic molecules leave the…71 / 93
Question 209: The diagram shows a simple type of thermometer. steel bar roller horizontal surface pointer The roller rests on a horizontal surface and th…Question 210: A piece of melting ice at 0 C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 C. boiling water Bunsen bur…Question 211: A hole is drilled in a metal plate. What happens to the length of the plate and to the diameter of the hole when the plate is cooled? lengt…72 / 93
Question 212: A liquid-in-glass thermometer uses alcohol as its liquid. Which property of alcohol is used to measure the temperature? A boiling point B c…Question 213: The thermal capacity of object Y is greater than that of object Z. What is a consequence of this? A Object Y needs less thermal energy to m…Question 214: A long, thin bar of copper is heated gently and evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. …73 / 93
Question 215: The diagram shows a flask which has been filled with liquid X at room temperature. level of liquid at room temperature stopper liquid X Whe…Question 216: The temperature of the gas in a sealed container of constant volume decreases from 20 C to 12 C. Which row is correct? pressure of the ga…74 / 93
Question 217: A long, thin bar of copper is heated gently and evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. …Question 218: A teacher makes the statement, ‘Object P has a higher thermal capacity than object Q.’ What does this statement mean? A Object P has a high…Question 219: A long, thin bar of copper is heated gently and evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. …75 / 93
Question 220: The diagrams show four examples of thermal expansion. In three of the examples, thermal expansion is useful. In one of the examples, expans…Question 221: Which name is given to the change in volume of a gas when it is heated at constant pressure? A thermal capacity B thermal conduction C ther…Question 222: Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time. 100 temperature /°C «xX , 0 —1…76 / 93
Question 223: The melting point of a substance is –78 C and its boiling point is 23 C. Which row gives the correct state of matter of the substance at …Question 224: What happens to the volumes of liquid metal and of solid metal when heated at constant pressure? volume of volume of liquid metal solid met…Question 225: The diagram shows a liquid-in-glass thermometer. °C –10 0 10 20 30 40 50 60 70 80 90 100 110 A student wishes to check the marking of the u…77 / 93
Question 226: The diagram shows a convection current caused by a piece of ice placed in a beaker of water at room temperature. ice Q P Which row correctl…Question 227: The diagram shows a liquid-in-glass thermometer. 0 10 20 30 40 50 60 70 80 90 100 Which physical property of the thermometer is used to mea…Question 228: An engineer investigates the increase in temperature of the oil in a car engine when it is first switched on. Which row is correct? change …78 / 93
Question 229: A gas in a container is cooled but the volume of the gas does not change. Which row describes the changes in the pressure of the gas and th…Question 230: The iron cylinder of an engine is to be fitted into a piece of aluminium. The outside diameter M of the iron cylinder is slightly larger th…79 / 93
Question 231: A solid in a closed container is heated until it completely melts. Which diagram shows the shape and the volume of the solid before and aft…Question 232: The diagram shows a thermometer calibrated in degrees Celsius. 110 100 90 80 70 60 50 40 30 20 10 0 -10 What are the values of the lower …80 / 93
Question 233: What happens to a solid when its temperature increases? A It contracts. B Its density increases. C Its internal energy increases. D Its mol…Question 234: A liquid is evaporating. What does it lose from its surface? A less energetic ions B less energetic molecules C more energetic ions D more …Question 235: The diagram shows a thermometer calibrated in degrees Celsius. 110 100 90 80 70 60 50 40 30 20 10 0 -10 What are the values of the lower …81 / 93
Question 236: Which statements does the term ‘melting point’ refer to? 1 the temperature at which a liquid changes to solid without a change in temperatu…Question 237: Which statement describes what happens to air particles when the air is heated? A The particles move more slowly. B The particles move more…Question 238: What happens when the temperature of a liquid increases? A The mass of the liquid increases, making the liquid less dense. B The mass of th…Question 239: Which statements about evaporation of water are correct? 1 Evaporation causes the remaining liquid to cool. 2 During evaporation, the more …Question 240: Four students describe the phrase ‘absolute zero’ during a lesson on the particle model. Which student is correct? A This is the lowest pos…82 / 93
Question 241: What is the lowest possible temperature (absolute zero) and what happens to the energy of particles at this temperature? lowest possible pa…Question 242: The melting point of mercury is –39 C. What is the melting point of mercury in kelvin? A –234 K B 61 K C 234 K D 312 KQuestion 243: A bimetallic strip is used to control the temperature of an electrical appliance. It is made of two different metals fixed together. The di…83 / 93
Question 244: A student has two blocks of metal, X and Y. The temperature of X is 50°C and the temperature of Y is O°C. The two blocks are placed in con…Question 245: A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier …Question 246: Which diagram shows the processes happening during changes of state? A B boiling solidification condensation melting gas liquid solid gas l…84 / 93
Question 247: A sealed bottle of constant volume contains air. The air in the bottle is heated by the Sun. What is the effect on the average speed of the…Question 248: What happens when a metal block is heated? A Its width, height and length all increase. B Its width increases only. C Its height increases …Question 249: Which statement about the temperature of the solid describes what happens when a solid is melting? A The temperature increases and there is…Question 250: What is the boiling temperature of water at standard atmospheric pressure? A –173 K B 100 K C 273 K D 373 KQuestion 251: Which row describes how the volume and mass of liquid mercury change as it is heated? volume mass A decreases decreases B decreases stays t…Question 252: In which situation does the store of internal energy of the water increase? A water at 0 C freezing to form ice B water being heated from …85 / 93
Question 253: How is a temperature in degrees Celsius (C) converted to a temperature in kelvin (K)? A Add 273 to the temperature in C. B Divide the tem…Question 254: The diagram shows a frictionless piston inside a cylinder. The air inside the cylinder is heated. The piston moves in the direction shown. …Question 255: What increases when the temperature of a copper block increases? A the number of copper atoms in the block B the melting point of the block…Question 256: A textbook gives the description of a thermal process as ‘more-energetic molecules escape from the surface of a liquid which causes the liq…Question 257: What is the relationship between temperatures in kelvin (T ) and temperatures in degrees Celsius ( )? A  = T + 273 B  = T – 273 C  = T …86 / 93
Question 258: In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases. What can be conclude…Question 259: Solids expand when heated and contract when cooled. In which example is there a useful application of expansion and not an unwanted effect?…Question 260: The diagram shows a steel sphere falling through a cylinder of oil. steel sphere oil Which row indicates what happens to the steel sphere a…Question 261: A metal object is heated strongly in an oven. What happens to the volume of the object and the internal energy stored in the object? volume…87 / 93
Question 262: Which row describes the process of melting? change in initial state final state temperature A liquid gas yes B liquid solid no C solid gas …Question 263: Which name is given to the change of state when steam at 100 C changes to water at 100 C? A boiling B condensation C evaporation D meltingQuestion 264: The diagram shows electricity cables being put up on a warm day. The cables are suspended between the supporting pylons, as shown. electric…Question 265: Which diagram shows the overall movement of particles and the temperature change when a liquid evaporates? A B C D particles escape particl…Question 266: The air temperature rises from 10 C to 40 C. What is the change in temperature, expressed in kelvin? A 30 K B 50 K C 243 K D 303 K88 / 93
Question 267: Which effect is not due to thermal expansion? A convection currents in air B expansion of a bubble rising through a fizzy drink C expansion…Question 268: On a hot summer day, the level of the water in a pond falls. Which statement explains this? A The least energetic water particles escape fr…Question 269: Which statement describes what happens during solidification? A Particles begin to move around each other easily. B Particles stop moving a…Question 270: Solids expand the ......1...... and the average separation between molecules is the ......2...... . Which words complete the sentence about…Question 271: A girl blows some air into a party balloon and ties a knot to seal the air in the balloon. The girl holds the sealed balloon above a hot co…89 / 93
Question 272: The graph shows what happens to the density of a substance as its temperature changes over time. density 0 0 t1 t2 time Which term describe…Question 273: Two different pure substances, X and Y, are heated. Both substance X and substance Y are initially in the solid state. The graph shows how …Question 274: A scientist heats a solid substance until it turns into a liquid, and then into a gas. Which row describes the two changes of state of the …90 / 93
Question 275: Which quantity does not change when there is an increase in temperature? A the density of a steel block B the diameter of the hole in a met…Question 276: A resistor and a thermistor are connected in a series circuit, as shown. A V What happens to the readings on the ammeter and the voltmeter …Question 277: A scientist heats a solid substance until it turns into a liquid, and then into a gas. Which row describes the two changes of state of the …Question 278: Which quantity does not change when there is an increase in temperature? A the density of a steel block B the diameter of the hole in a met…91 / 93
Question 279: A kettle of boiling water converts water to steam at 100 °C. How does the mass and volume of the steam produced compare with the mass and v…Question 280: The chart shows the boiling points for four different liquids at standard atmospheric pressure. Which liquid is water? 160 boiling point / …Question 281: When a hot gas cools, its internal energy decreases. What causes this? A a decrease in the average kinetic energy of the gas particles B a …Question 282: The temperature of an object is 37 °C. What is the temperature of the object in kelvin? A –236 K B 7.4 K C 236 K D 310 K92 / 93
Question 283: The diagram shows part of a railway track. Each section of the railway track is separated by a gap. sections of railway track gap Why are t…93 / 93

Mark scheme283 answers

Answers below. Sit the paper first if you are practising.

Pastlit

Physics 0625 · Thermal properties and temperature — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

1D1
2C1
3D1
4A1
5B1
6B1
7C1
8A1
9B1
10B1
11D1
12A1
13B1
14B1
15B1
16D1
17D1
18B1
19D1
20D1
21A1
22C1
23B1
24D1
25C1
26B1
27D1
28C1
29C1
30C1
31C1
32A1
33A1
34A1
35A1
36C1
37C1
38A1
39A1
40C1
41C1
42A1
43C1
44D1
45D1
46D1
47A1
48D1
49D1
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Pastlit

Physics 0625 · Thermal properties and temperature — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

50A1
51B1
52D1
53D1
54D1
55D1
56A1
57C1
58B1
59A1
60C1
61D1
62A1
63C1
64B1
65B1
66B1
67B1
68D1
69B1
70B1
71A1
72D1
73C1
74C1
75B1
76C1
77C1
78D1
79A1
80D1
81C1
82D1
83D1
84C1
85C1
86A1
87D1
88D1
89C1
90C1
91D1
92C1
93A1
94D1
95D1
96C1
97D1
98B1
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Pastlit

Physics 0625 · Thermal properties and temperature — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

99C1
100B1
101B1
102C1
103D1
104A1
105A1
106A1
107A1
108A1
109C1
110B1
111C1
112C1
113A1
114C1
115D1
116C1
117A1
118D1
119C1
120D1
121D1
122B1
123B1
124C1
125A1
126A1
127A1
128A1
129A1
130D1
131D1
132B1
133B1
134A1
135D1
136B1
137D1
138C1
139C1
140D1
141C1
142A1
143D1
144D1
145D1
146B1
147A1
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Pastlit

Physics 0625 · Thermal properties and temperature — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

148D1
149B1
150B1
151D1
152B1
153B1
154B1
155B1
156B1
157C1
158A1
159B1
160D1
161B1
162D1
163D1
164B1
165B1
166C1
167D1
168B1
169A1
170A1
171A1
172D1
173A1
174A1
175A1
176D1
177A1
178D1
179C1
180C1
181C1
182A1
183C1
184D1
185D1
186B1
187A1
188A1
189D1
190C1
191A1
192B1
193A1
194A1
195B1
196A1
4 / 6

Pastlit

Physics 0625 · Thermal properties and temperature — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

197A1
198B1
199A1
200B1
201A1
202B1
203A1
204C1
205D1
206D1
207D1
208A1
209C1
210A1
211A1
212D1
213D1
214B1
215D1
216A1
217B1
218D1
219B1
220A1
221D1
222B1
223D1
224C1
225B1
226C1
227B1
228A1
229A1
230C1
231D1
232C1
233C1
234D1
235C1
236A1
237B1
238C1
239B1
240A1
241A1
242C1
243C1
244B1
245B1
5 / 6

Pastlit

Physics 0625 · Thermal properties and temperature — Paper 1

IGCSE · topical answer key — answer key (teacher use)

Question

Answer

Marks

246C1
247D1
248A1
249C1
250D1
251D1
252B1
253A1
254A1
255C1
256D1
257B1
258C1
259D1
260A1
261D1
262D1
263B1
264A1
265A1
266A1
267B1
268C1
269B1
270B1
271B1
272D1
273D1
274D1
275D1
276D1
277D1
278D1
279B1
280B1
281A1
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Questions as text

Q1 · The graph shows the change in temperature of a material as it is heated 0625/11 May/June 2005

16 The graph shows the change in temperature of a material as it is heated. Which part on the graph shows when the material is boiling? D temperature C B A time

1 marks

Answer: D

This question in 0625/11 May/June 2005

Q2 · An experiment is set up as shown 0625/11 May/June 2005

17 An experiment is set up as shown. pressure gauge air flask water heat What does the pressure gauge show as the air in the flask becomes hotter? A a steady pressure B a decrease in pressure C an increase in pressure D an increase and then a decrease in pressure

1 marks

Answer: C

This question in 0625/11 May/June 2005

Q3 · The diagram shows a block of ice placed in a warm room 0625/11 May/June 2005

19 The diagram shows a block of ice placed in a warm room. At which point is the temperature the lowest? A B clamp C ice table D

1 marks

Answer: D

This question in 0625/11 May/June 2005

Q4 · A drop of liquid falls on a student’s skin and quickly evaporates 0625/11 Oct/Nov 2005

13 A drop of liquid falls on a student’s skin and quickly evaporates. What is the effect on the skin and the reason? A The skin cools because the most energetic molecules escape from the liquid. B The skin cools because the most energetic molecules remain in the liquid. C The skin warms because the most energetic molecules escape from the liquid. D The skin warms because the most energetic molecules remain in the liquid.

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2005

Q5 · A knife is being sharpened on a rotating sharpening-stone 0625/11 Oct/Nov 2005

15 A knife is being sharpened on a rotating sharpening-stone. A spark flies off and lands on the operator’s hand. The spark is a very hot, very small piece of metal. The operator feels nothing. What does this show about the piece of metal? A It has a high thermal capacity. B It has a low thermal capacity. C It is a good conductor of heat. D It is a poor conductor of heat.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2005

Q6 · Which substance is a liquid at a room temperature of 25 oC? 0625/11 Oct/Nov 2005

16 Which substance is a liquid at a room temperature of 25 oC? substance melting point / oC boiling point / oC A –218 –183 B –39 357 C 44 280 D 119 444

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2005

Q7 · To mark a temperature scale on a thermometer, fixed points are needed 0625/11 May/June 2006

15 To mark a temperature scale on a thermometer, fixed points are needed. Which is a fixed point? A the bottom end of the thermometer tube B the top end of the thermometer tube C the temperature of pure melting ice D the temperature of pure warm water

1 marks

Answer: C

This question in 0625/11 May/June 2006

Q8 · Four blocks, made of different materials, are each given the same quantity of internal… 0625/11 May/June 2006

16 Four blocks, made of different materials, are each given the same quantity of internal (heat) energy. Which block has the greatest thermal capacity? A B C D temperature temperature temperature temperature rise = 2 oC rise = 4 oC rise = 6 oC rise = 8 oC

1 marks

Answer: A

This question in 0625/11 May/June 2006

Q9 · A long thin bar of copper is heated evenly along its length 0625/11 May/June 2006

17 A long thin bar of copper is heated evenly along its length. copper bar heat What happens to the bar? A It becomes lighter. B It becomes longer. C It becomes shorter. D It bends at the ends.

1 marks

Answer: B

This question in 0625/11 May/June 2006

Q10 · The graph shows how the temperature of hot liquid wax changes with time as the wax is… 0625/11 May/June 2007

15 The graph shows how the temperature of hot liquid wax changes with time as the wax is allowed to cool. At which labelled point on the graph are both liquid wax and solid wax present? temperature A B C D 0 0 time

1 marks

Answer: B

This question in 0625/11 May/June 2007

Q11 · 1 kg of water and 1 kg of aluminium are heated to the same temperature and then allowed… 0625/11 May/June 2007

16 1 kg of water and 1 kg of aluminium are heated to the same temperature and then allowed to cool in a room. Why does the aluminium cool more quickly than the water? A Aluminium contracts more than water. B Aluminium does not evaporate but water does. C Aluminium has a higher thermal capacity than water. D Aluminium has a lower thermal capacity than water.

1 marks

Answer: D

This question in 0625/11 May/June 2007

Q12 · The table lists the melting points and the boiling points of four different substances A… 0625/11 Oct/Nov 2007

15 The table lists the melting points and the boiling points of four different substances A, B, C and D. Which substance is a gas at 25 °C? substance melting point / °C boiling point / °C A –219 –183 B –7 58 C 98 890 D 1083 2582

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2007

Q13 · The diagram shows four blocks of steel 0625/11 Oct/Nov 2007

16 The diagram shows four blocks of steel. The same quantity of heat is given to each block. Which block shows the greatest rise in temperature? A B C D

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2007

Q14 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/11 Oct/Nov 2007

17 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle B heating the iron circle C heating the wooden wheel D heating the wooden wheel and cooling the iron circle

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2007

Q15 · Some liquid is heated in a flask 0625/11 May/June 2008

1 Some liquid is heated in a flask. The diagrams show the height of the liquid in the tube when the liquid is cold and when it is hot. cold hot 5 5 tube 4 4 3 3 2 2 scale 1 1 cm cm liquid flask What is the difference in the heights? A 1.7 cm B 2.8 cm C 3.2 cm D 4.5 cm

1 marks

Answer: B

This question in 0625/11 May/June 2008

Q16 · The thermometer in the diagram has no scale 0625/11 May/June 2008

16 The thermometer in the diagram has no scale. bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in boiling water B in cold water C in a freezer D in melting ice

1 marks

Answer: D

This question in 0625/11 May/June 2008

Q17 · A sample of a solid is heated for 12 minutes and its temperature noted every minute 0625/11 May/June 2008

17 A sample of a solid is heated for 12 minutes and its temperature noted every minute. The results are shown in the table. time / min 0 1 2 3 4 5 6 7 8 9 10 11 12 temperature / °C 11.5 16.1 22.1 31.0 31.1 31.1 31.1 31.3 45.0 65.2 66.2 66.3 66.3 How should the sample be described at the end of the 12 minutes? A all solid B in the process of melting C all liquid D in the process of boiling

1 marks

Answer: D

This question in 0625/11 May/June 2008

Q18 · Equal masses of two different liquids are heated using the same heater 0625/11 Oct/Nov 2008

16 Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with time. temperature liquid 1 liquid 2 0 0 time What does the graph tell us about the liquids? A Liquid 1 has a higher melting point than liquid 2. B Liquid 1 has a higher boiling point than liquid 2. C Liquid 1 starts to melt sooner than liquid 2. D Liquid 1 starts to boil sooner than liquid 2.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2008

Q19 · An engineer wants to fix a steel washer on to a steel rod 0625/11 Oct/Nov 2008

17 An engineer wants to fix a steel washer on to a steel rod. The rod is just too big to fit into the hole of the washer. steel steel rod washer How can the engineer fit the washer on to the rod? A Cool the washer and put it over the rod. B Cool the washer and rod to the same temperature and push them together. C Heat the rod and then place it in the hole. D Heat the washer and then place it over the rod.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2008

Q20 · The graph shows the change in temperature of a substance as it is heated steadily 0625/11 May/June 2009

15 The graph shows the change in temperature of a substance as it is heated steadily. Which part of the graph shows when the substance is boiling? D temperature C B A time

1 marks

Answer: D

This question in 0625/11 May/June 2009

Q21 · Four blocks, made of different materials, are each given the same quantity of internal… 0625/11 May/June 2009

16 Four blocks, made of different materials, are each given the same quantity of internal energy (heat). Which block has the greatest thermal capacity? A B C D temperature temperature temperature temperature rise = 2 oC rise = 4 oC rise = 6 oC rise = 8 oC

1 marks

Answer: A

This question in 0625/11 May/June 2009

Q22 · To mark a temperature scale on a thermometer, standard temperatures known as fixed points… 0625/11 Oct/Nov 2009

15 To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point? A room temperature B the temperature inside a freezer C the temperature of pure melting ice D the temperature of pure warm water

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2009

Q23 · The table gives the melting points and boiling points of glycerine and benzene 0625/11 Oct/Nov 2009

16 The table gives the melting points and boiling points of glycerine and benzene. melting point boiling point glycerine 18 °C 290 °C benzene 5.4 °C 80 °C At which temperature will both glycerine and benzene be liquid? A 0 °C B 50 °C C 100 °C D 150 °C

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2009

Q24 · An electrical component X is placed in water, as shown 0625/11 Oct/Nov 2009

31 An electrical component X is placed in water, as shown. A thermometer X water When the temperature of the water is increased, the reading on the ammeter increases. What is component X? A a capacitor B a light-dependent resistor C a relay D a thermistor

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2009

Q25 · To mark a temperature scale on a thermometer, standard temperatures known as fixed points… 0625/12 Oct/Nov 2009

13 To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point? A room temperature B the temperature inside a freezer C the temperature of pure melting ice D the temperature of pure warm water

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2009

Q26 · The table gives the melting points and boiling points of glycerine and benzene 0625/12 Oct/Nov 2009

14 The table gives the melting points and boiling points of glycerine and benzene. melting point boiling point glycerine 18 °C 290 °C benzene 5.4 °C 80 °C At which temperature will both glycerine and benzene be liquid? A 0 °C B 50 °C C 100 °C D 150 °C

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2009

Q27 · An electrical component X is placed in water, as shown 0625/12 Oct/Nov 2009

32 An electrical component X is placed in water, as shown. A thermometer X water When the temperature of the water is increased, the reading on the ammeter increases. What is component X? A a capacitor B a light-dependent resistor C a relay D a thermistor

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2009

Q28 · A thermometer has a scale which starts at –10 °C and ends at 110 °C 0625/11 May/June 2010

16 A thermometer has a scale which starts at –10 °C and ends at 110 °C. –10 0 100 110 °C What is the value of the lower fixed point and of the upper fixed point of the scale? lower fixed point upper fixed point / °C / °C A –10 100 B –10 110 C 0 100 D 0 110

1 marks

Answer: C

This question in 0625/11 May/June 2010

Q29 · A student carries out an experiment to find the melting point of wax 0625/11 May/June 2010

17 A student carries out an experiment to find the melting point of wax. The graph shows how the temperature of the wax changes as it cools. X temperature / °C Y melting point of wax Z 00 time Which statement is correct? A At X the temperature drops more slowly than at Z. B At Y all the wax is solid. C At Y thermal energy is being given out by the wax. D At Z the wax molecules are not moving.

1 marks

Answer: C

This question in 0625/11 May/June 2010

Q30 · A thermometer has a scale which starts at –10 °C and ends at 110 °C 0625/12 May/June 2010

13 A thermometer has a scale which starts at –10 °C and ends at 110 °C. –10 0 100 110 °C What is the value of the lower fixed point and of the upper fixed point of the scale? lower fixed point upper fixed point / °C / °C A –10 100 B –10 110 C 0 100 D 0 110

1 marks

Answer: C

This question in 0625/12 May/June 2010

Q31 · A student carries out an experiment to find the melting point of wax 0625/12 May/June 2010

19 A student carries out an experiment to find the melting point of wax. The graph shows how the temperature of the wax changes as it cools. X temperature / °C Y melting point of wax Z 00 time Which statement is correct? A At X the temperature drops more slowly than at Z. B At Y all the wax is solid. C At Y thermal energy is being given out by the wax. D At Z the wax molecules are not moving.

1 marks

Answer: C

This question in 0625/12 May/June 2010

Q32 · A beaker containing ice and a thermometer is left in a warm room for 15 minutes 0625/11 Oct/Nov 2010

17 A beaker containing ice and a thermometer is left in a warm room for 15 minutes. No water is visible in the beaker until 5 minutes has passed. After 15 minutes some ice is still visible. ice ice water start of after after experiment 5 minutes 15 minutes Which graph shows how the thermometer reading changes? A B temperature temperature / °C / °C 0 0 0 5 10 15 0 5 10 15 time / min time / min C D temperature temperature / °C / °C 0 0 0 5 10 15 0 5 10 15 time / min time / min

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2010

Q33 · A beaker containing ice and a thermometer is left in a warm room for 15 minutes 0625/12 Oct/Nov 2010

15 A beaker containing ice and a thermometer is left in a warm room for 15 minutes. No water is visible in the beaker until 5 minutes has passed. After 15 minutes some ice is still visible. ice ice water start of after after experiment 5 minutes 15 minutes Which graph shows how the thermometer reading changes? A B temperature temperature / °C / °C 0 0 0 5 10 15 0 5 10 15 time / min time / min C D temperature temperature / °C / °C 0 0 0 5 10 15 0 5 10 15 time / min time / min

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2010

Q34 · A block of ice cream is prevented from melting by wrapping it in newspaper soaked in water 0625/13 Oct/Nov 2010

17 A block of ice cream is prevented from melting by wrapping it in newspaper soaked in water. The water evaporates from the newspaper. Which molecules escape from the water and what happens to the average speed of the water molecules that remain in the newspaper? average speed of the escaping molecules remaining water molecules A the more energetic ones decreases B the more energetic ones increases C the less energetic ones decreases D the less energetic ones increases

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2010

Q35 · A beaker containing ice and a thermometer is left in a warm room for 15 minutes 0625/13 Oct/Nov 2010

18 A beaker containing ice and a thermometer is left in a warm room for 15 minutes. No water is visible in the beaker until 5 minutes has passed. After 15 minutes some ice is still visible. ice ice water start of after after experiment 5 minutes 15 minutes Which graph shows how the thermometer reading changes? A B temperature temperature / °C / °C 0 0 0 5 10 15 0 5 10 15 time / min time / min C D temperature temperature / °C / °C 0 0 0 5 10 15 0 5 10 15 time / min time / min

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2010

Q36 · When a liquid evaporates, some molecules escape from it and its temperature changes 0625/11 May/June 2011

14 When a liquid evaporates, some molecules escape from it and its temperature changes. From where do the molecules escape and what is the effect on the temperature of the liquid? molecules escape from temperature of liquid A all parts of the liquid decreases B all parts of the liquid increases C only the liquid surface decreases D only the liquid surface increases

1 marks

Answer: C

This question in 0625/11 May/June 2011

Q37 · The diagram shows a thermometer calibrated in degrees Celsius 0625/11 May/June 2011

15 The diagram shows a thermometer calibrated in degrees Celsius. °C 110 100 90 80 70 60 50 40 30 20 10 0 –10 What are the values of the lower fixed point and of the upper fixed point on the Celsius scale? lower fixed upper fixed point / °C point / °C A –10 110 B 0 20 C 0 100 D 20 100

1 marks

Answer: C

This question in 0625/11 May/June 2011

Q38 · An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C 0625/11 May/June 2011

16 An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C. After a short time, some of the ice has melted and the drink has cooled to a temperature of 8 °C. What is the temperature of the remaining ice? A 0 °C B 2 °C C 4 °C D 8 °C

1 marks

Answer: A

This question in 0625/11 May/June 2011

Q39 · An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C 0625/12 May/June 2011

8 An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C. After a short time, some of the ice has melted and the drink has cooled to a temperature of 8 °C. What is the temperature of the remaining ice? A 0 °C B 2 °C C 4 °C D 8 °C

1 marks

Answer: A

This question in 0625/12 May/June 2011

Q40 · The diagram shows a thermometer calibrated in degrees Celsius 0625/12 May/June 2011

9 The diagram shows a thermometer calibrated in degrees Celsius. °C 110 100 90 80 70 60 50 40 30 20 10 0 –10 What are the values of the lower fixed point and of the upper fixed point on the Celsius scale? lower fixed upper fixed point / °C point / °C A –10 110 B 0 20 C 0 100 D 20 100

1 marks

Answer: C

This question in 0625/12 May/June 2011

Q41 · When a liquid evaporates, some molecules escape from it and its temperature changes 0625/12 May/June 2011

12 When a liquid evaporates, some molecules escape from it and its temperature changes. From where do the molecules escape and what is the effect on the temperature of the liquid? molecules escape from temperature of liquid A all parts of the liquid decreases B all parts of the liquid increases C only the liquid surface decreases D only the liquid surface increases

1 marks

Answer: C

This question in 0625/12 May/June 2011

Q42 · An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C 0625/13 May/June 2011

8 An ice cube at a temperature of 0 °C is put into a drink at a temperature of 10 °C. After a short time, some of the ice has melted and the drink has cooled to a temperature of 8 °C. What is the temperature of the remaining ice? A 0 °C B 2 °C C 4 °C D 8 °C

1 marks

Answer: A

This question in 0625/13 May/June 2011

Q43 · The diagram shows a thermometer calibrated in degrees Celsius 0625/13 May/June 2011

9 The diagram shows a thermometer calibrated in degrees Celsius. °C 110 100 90 80 70 60 50 40 30 20 10 0 –10 What are the values of the lower fixed point and of the upper fixed point on the Celsius scale? lower fixed upper fixed point / °C point / °C A –10 110 B 0 20 C 0 100 D 20 100

1 marks

Answer: C

This question in 0625/13 May/June 2011

Q44 · A swimmer feels cold after leaving warm water on a warm, windy day 0625/11 Oct/Nov 2012

15 A swimmer feels cold after leaving warm water on a warm, windy day. Why does she feel cold even though the air is warm? A The less energetic water molecules on her skin escape quickly. B The more energetic water molecules on her skin do not escape quickly. C The water on her skin does not evaporate quickly enough to keep her warm. D The water on her skin evaporates quickly and cools her skin.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2012

Q45 · Which physical property is used to measure temperature in a liquid-in-glass thermometer? 0625/11 Oct/Nov 2012

16 Which physical property is used to measure temperature in a liquid-in-glass thermometer? A the length of the thermometer B the thickness of the glass bulb C the volume of the glass bulb D the volume of the liquid

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2012

Q46 · The graph shows the temperature of a substance as it is heated steadily 0625/11 Oct/Nov 2012

17 The graph shows the temperature of a substance as it is heated steadily. In which part of the graph is the substance boiling? D temperature C B A time

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2012

Q47 · A night storage heater contains a large block of material that is heated electrically… 0625/11 Oct/Nov 2012

18 A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block? thermal capacity night-time of block temperature increase A large large B large small C small large D small small

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2012

Q48 · Which physical property is used to measure temperature in a liquid-in-glass thermometer? 0625/12 Oct/Nov 2012

15 Which physical property is used to measure temperature in a liquid-in-glass thermometer? A the length of the thermometer B the thickness of the glass bulb C the volume of the glass bulb D the volume of the liquid

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2012

Q49 · The graph shows the temperature of a substance as it is heated steadily 0625/12 Oct/Nov 2012

17 The graph shows the temperature of a substance as it is heated steadily. In which part of the graph is the substance boiling? D temperature C B A time

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2012

Q50 · A night storage heater contains a large block of material that is heated electrically… 0625/12 Oct/Nov 2012

20 A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block? thermal capacity night-time of block temperature increase A large large B large small C small large D small small

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2012

Q51 · The table lists the melting points and the boiling points of four different substances 0625/13 Oct/Nov 2012

15 The table lists the melting points and the boiling points of four different substances. Which substance is a liquid at 0 °C? melting point / °C boiling point / °C A –219 –183 B –7 58 C 98 890 D 1083 2582

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2012

Q52 · A student wishes to calibrate a mercury-in-glass thermometer with a °C scale 0625/13 Oct/Nov 2012

16 A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for the upper fixed point? lower fixed point upper fixed point A freezing point of mercury boiling point of mercury B freezing point of mercury boiling point of water C freezing point of water boiling point of mercury D freezing point of water boiling point of water

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2012

Q53 · The graph shows the temperature of a substance as it is heated steadily 0625/13 Oct/Nov 2012

17 The graph shows the temperature of a substance as it is heated steadily. In which part of the graph is the substance boiling? D temperature C B A time

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2012

Q54 · Four blocks, made from different materials, are each heated so that they have the same… 0625/13 Oct/Nov 2012

18 Four blocks, made from different materials, are each heated so that they have the same increase in internal energy. Which block has the smallest thermal capacity? A B C D temperature temperature temperature temperature rise = 3 °C rise = 6 °C rise = 9 °C rise = 12 °C

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2012

Q55 · A thermometer bulb is covered by a piece of damp absorbent cloth 0625/11 May/June 2013

13 A thermometer bulb is covered by a piece of damp absorbent cloth. thermometer damp cloth air bulb Air at room temperature is blown across the damp cloth. What happens to the thermometer reading? A It remains constant. B It rises. C It rises then falls. D It falls.

1 marks

Answer: D

This question in 0625/11 May/June 2013

Q56 · The diagrams show four blocks of steel 0625/11 May/June 2013

15 The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy (heat) is given to each block. Which block shows the greatest rise in temperature? A B C D

1 marks

Answer: A

This question in 0625/11 May/June 2013

Q57 · A mercury thermometer with no scale is taped to a ruler as shown 0625/11 May/June 2013

16 A mercury thermometer with no scale is taped to a ruler as shown. When the thermometer is placed in steam, the mercury level rises to 22.0 cm. When the thermometer is placed in pure melting ice, the mercury level falls to 2.0 cm. cm 30 28 26 24 22 thermometer 20 18 ruler 16 14 12 10 mercury 8 6 4 2 0 Which temperature is shown by the mercury level in the diagram? A 6 °C B 8 °C C 30 °C D 40 °C

1 marks

Answer: C

This question in 0625/11 May/June 2013

Q58 · A gas storage tank has a fixed volume 0625/12 May/June 2013

14 A gas storage tank has a fixed volume. The graph shows how the temperature of the gas in the tank varies with time. temperature X Y time At time Y, the gas molecules are A closer together than at time X. B hitting the sides of the tank harder than at time X. C larger in size than at time X. D moving more slowly than at time X.

1 marks

Answer: B

This question in 0625/12 May/June 2013

Q59 · The diagrams show four blocks of steel 0625/12 May/June 2013

15 The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy (heat) is given to each block. Which block shows the greatest rise in temperature? A B C D

1 marks

Answer: A

This question in 0625/12 May/June 2013

Q60 · A mercury thermometer with no scale is taped to a ruler as shown 0625/12 May/June 2013

16 A mercury thermometer with no scale is taped to a ruler as shown. When the thermometer is placed in steam, the mercury level rises to 22.0 cm. When the thermometer is placed in pure melting ice, the mercury level falls to 2.0 cm. cm 30 28 26 24 22 thermometer 20 18 ruler 16 14 12 10 mercury 8 6 4 2 0 Which temperature is shown by the mercury level in the diagram? A 6 °C B 8 °C C 30 °C D 40 °C

1 marks

Answer: C

This question in 0625/12 May/June 2013

Q61 · A thermometer bulb is covered by a piece of damp absorbent cloth 0625/13 May/June 2013

13 A thermometer bulb is covered by a piece of damp absorbent cloth. thermometer damp cloth air bulb Air at room temperature is blown across the damp cloth. What happens to the thermometer reading? A It remains constant. B It rises. C It rises then falls. D It falls.

1 marks

Answer: D

This question in 0625/13 May/June 2013

Q62 · The diagrams show four blocks of steel 0625/13 May/June 2013

14 The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy (heat) is given to each block. Which block shows the greatest rise in temperature? A B C D

1 marks

Answer: A

This question in 0625/13 May/June 2013

Q63 · A mercury thermometer with no scale is taped to a ruler as shown 0625/13 May/June 2013

16 A mercury thermometer with no scale is taped to a ruler as shown. When the thermometer is placed in steam, the mercury level rises to 22.0 cm. When the thermometer is placed in pure melting ice, the mercury level falls to 2.0 cm. cm 30 28 26 24 22 thermometer 20 18 ruler 16 14 12 10 mercury 8 6 4 2 0 Which temperature is shown by the mercury level in the diagram? A 6 °C B 8 °C C 30 °C D 40 °C

1 marks

Answer: C

This question in 0625/13 May/June 2013

Q64 · Equal masses of two different liquids are heated using the same heater 0625/11 Oct/Nov 2013

15 Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with time. temperature liquid 1 liquid 2 0 0 time What does the graph tell us about the liquids? A Liquid 1 has a higher melting point than liquid 2. B Liquid 1 has a higher boiling point than liquid 2. C Liquid 1 starts to melt sooner than liquid 2. D Liquid 1 starts to boil sooner than liquid 2.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2013

Q65 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/11 Oct/Nov 2013

16 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle B heating the iron circle C heating the wooden wheel and cooling the iron circle D heating the wooden wheel but not heating or cooling the iron circle

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2013

Q66 · Equal masses of two different liquids are heated using the same heater 0625/12 Oct/Nov 2013

15 Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with time. temperature liquid 1 liquid 2 0 0 time What does the graph tell us about the liquids? A Liquid 1 has a higher melting point than liquid 2. B Liquid 1 has a higher boiling point than liquid 2. C Liquid 1 starts to melt sooner than liquid 2. D Liquid 1 starts to boil sooner than liquid 2.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2013

Q67 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/12 Oct/Nov 2013

16 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle B heating the iron circle C heating the wooden wheel and cooling the iron circle D heating the wooden wheel but not heating or cooling the iron circle

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2013

Q68 · A closed flask of gas is placed in a cold-water bath 0625/13 Oct/Nov 2013

13 A closed flask of gas is placed in a cold-water bath. thermometer cold water gas As the flask cools, the temperature of the gas decreases. What happens to the molecules of the gas? A They contract. B They expand. C They move more quickly. D They move more slowly.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2013

Q69 · Equal masses of two different liquids are heated using the same heater 0625/13 Oct/Nov 2013

15 Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with time. temperature liquid 1 liquid 2 0 0 time What does the graph tell us about the liquids? A Liquid 1 has a higher melting point than liquid 2. B Liquid 1 has a higher boiling point than liquid 2. C Liquid 1 starts to melt sooner than liquid 2. D Liquid 1 starts to boil sooner than liquid 2.

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2013

Q70 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/13 Oct/Nov 2013

16 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle B heating the iron circle C heating the wooden wheel and cooling the iron circle D heating the wooden wheel but not heating or cooling the iron circle

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2013

Q71 · During evaporation, molecules escape rapidly from the surface of a liquid 0625/11 May/June 2014

13 During evaporation, molecules escape rapidly from the surface of a liquid. What happens to the average energy of the molecules of the remaining liquid and what happens to the temperature of the remaining liquid? average energy of temperature of remaining molecules remaining liquid A decreases decreases B decreases increases C stays the same decreases D stays the same increases

1 marks

Answer: A

This question in 0625/11 May/June 2014

Q72 · A telephone engineer connects a wire between two poles when the weather is very cold 0625/11 May/June 2014

14 A telephone engineer connects a wire between two poles when the weather is very cold. He makes the wire very loose. The wire passes over a road. very loose wire pole pole The weather changes and it becomes very hot. What could happen to the wire and why? what could happen why A it breaks it contracts B it breaks it expands C it sags and touches cars on the road it contracts D it sags and touches cars on the road it expands

1 marks

Answer: D

This question in 0625/11 May/June 2014

Q73 · In an experiment, a thermometer is placed in a test-tube of hot liquid 0625/11 May/June 2014

15 In an experiment, a thermometer is placed in a test-tube of hot liquid. The temperature of the liquid is recorded every half minute. The table shows the results. time / minutes 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 temperature / °C 73 65 59 55 55 55 51 48 45 42 40 38 36 35 34 33 What is the melting point of the substance? A 0 °C B 33 °C C 55 °C D 73 °C

1 marks

Answer: C

This question in 0625/11 May/June 2014

Q74 · A liquid-in-glass thermometer is marked with a scale in °C 0625/12 May/June 2014

14 A liquid-in-glass thermometer is marked with a scale in °C. °C –10 0 10 20 30 40 50 60 70 80 90 100 110 What is the temperature difference between the two fixed points for this thermometer? A 40°C B 50°C C 100°C D 120°C

1 marks

Answer: C

This question in 0625/12 May/June 2014

Q75 · Which statement gives the thermal capacity of a solid body? 0625/12 May/June 2014

15 Which statement gives the thermal capacity of a solid body? A the energy needed to melt the body without a change in temperature B the energy per degree Celsius needed to raise the temperature of the body C the increase in the volume of the body when its temperature is raised by one degree Celsius D the total amount of internal energy in the body

1 marks

Answer: B

This question in 0625/12 May/June 2014

Q76 · In an experiment, a thermometer is placed in a test-tube of hot liquid 0625/12 May/June 2014

16 In an experiment, a thermometer is placed in a test-tube of hot liquid. The temperature of the liquid is recorded every half minute. The table shows the results. time / minutes 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 temperature / °C 73 65 59 55 55 55 51 48 45 42 40 38 36 35 34 33 What is the melting point of the substance? A 0 °C B 33 °C C 55 °C D 73 °C

1 marks

Answer: C

This question in 0625/12 May/June 2014

Q77 · In an experiment, a thermometer is placed in a test-tube of hot liquid 0625/13 May/June 2014

14 In an experiment, a thermometer is placed in a test-tube of hot liquid. The temperature of the liquid is recorded every half minute. The table shows the results. time / minutes 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 temperature / °C 73 65 59 55 55 55 51 48 45 42 40 38 36 35 34 33 What is the melting point of the substance? A 0 °C B 33 °C C 55 °C D 73 °C

1 marks

Answer: C

This question in 0625/13 May/June 2014

Q78 · A telephone engineer connects a wire between two poles when the weather is very cold 0625/13 May/June 2014

15 A telephone engineer connects a wire between two poles when the weather is very cold. He makes the wire very loose. The wire passes over a road. very loose wire pole pole The weather changes and it becomes very hot. What could happen to the wire and why? what could happen why A it breaks it contracts B it breaks it expands C it sags and touches cars on the road it contracts D it sags and touches cars on the road it expands

1 marks

Answer: D

This question in 0625/13 May/June 2014

Q79 · During evaporation, molecules escape rapidly from the surface of a liquid 0625/13 May/June 2014

16 During evaporation, molecules escape rapidly from the surface of a liquid. What happens to the average energy of the molecules of the remaining liquid and what happens to the temperature of the remaining liquid? average energy of temperature of remaining molecules remaining liquid A decreases decreases B decreases increases C stays the same decreases D stays the same increases

1 marks

Answer: A

This question in 0625/13 May/June 2014

Q80 · Some gas is trapped in a container of fixed volume 0625/11 Oct/Nov 2014

14 Some gas is trapped in a container of fixed volume. The temperature of the gas increases. Which graph shows how the pressure of the gas changes with temperature? A B pressure / Pa pressure / Pa 0 0 0 temperature / °C 0 temperature / °C C D pressure / Pa pressure / Pa 0 0 0 temperature / °C 0 temperature / °C

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2014

Q81 · Which points are the fixed points of the liquid-in-glass thermometer shown? 0625/11 Oct/Nov 2014

15 Which points are the fixed points of the liquid-in-glass thermometer shown? –10 0 10 20 30 40 50 60 70 80 90 100 110 °C A the beginning and end points of the column of liquid B the beginning and end points of the thermometer scale C the points marked 0 °C and 100 °C D the top and bottom points of the thermometer bulb

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2014

Q82 · Equal masses of two different liquids are put into identical beakers 0625/11 Oct/Nov 2014

16 Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heaters of the same power. The temperature of both liquids increases by the same amount. different liquids of same mass liquid 1 liquid 2 heaters of heating time = 100 s same power heating time = 200 s Which statement is correct? A Both liquids receive the same amount of energy. B Liquid 1 receives more energy than liquid 2. C Both liquids have equal thermal capacity. D The thermal capacity of liquid 1 is less than the thermal capacity of liquid 2.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2014

Q83 · Equal masses of two different liquids are put into identical beakers 0625/12 Oct/Nov 2014

12 Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heaters of the same power. The temperature of both liquids increases by the same amount. different liquids of same mass liquid 1 liquid 2 heaters of heating time = 100 s same power heating time = 200 s Which statement is correct? A Both liquids receive the same amount of energy. B Liquid 1 receives more energy than liquid 2. C Both liquids have equal thermal capacity. D The thermal capacity of liquid 1 is less than the thermal capacity of liquid 2.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2014

Q84 · Which points are the fixed points of the liquid-in-glass thermometer shown? 0625/12 Oct/Nov 2014

13 Which points are the fixed points of the liquid-in-glass thermometer shown? –10 0 10 20 30 40 50 60 70 80 90 100 110 °C A the beginning and end points of the column of liquid B the beginning and end points of the thermometer scale C the points marked 0 °C and 100 °C D the top and bottom points of the thermometer bulb

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2014

Q85 · Some liquid is poured into a metal dish on a wooden table 0625/13 Oct/Nov 2014

14 Some liquid is poured into a metal dish on a wooden table. The dish, the liquid, the table and the air around the dish are all at the same temperature. liquid metal dish wooden table The temperature of the liquid now starts to decrease. What could cause this temperature decrease? A convection currents in the liquid B conduction of heat through the metal dish C evaporation of the liquid D heat radiation from the liquid

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2014

Q86 · The diagram shows four labelled changes of state between solid, liquid and gas 0625/13 Oct/Nov 2014

15 The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input? A P and Q B Q and R C R and S D S and P

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2014

Q87 · Equal masses of two different liquids are put into identical beakers 0625/13 Oct/Nov 2014

16 Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heaters of the same power. The temperature of both liquids increases by the same amount. different liquids of same mass liquid 1 liquid 2 heaters of heating time = 100 s same power heating time = 200 s Which statement is correct? A Both liquids receive the same amount of energy. B Liquid 1 receives more energy than liquid 2. C Both liquids have equal thermal capacity. D The thermal capacity of liquid 1 is less than the thermal capacity of liquid 2.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2014

Q88 · When steam condenses it becomes liquid water 0625/12 Feb/March 2015

14 When steam condenses it becomes liquid water. When liquid water solidifies it becomes ice. What happens to the temperature of steam while it is condensing, and what happens to the temperature of water while it is solidifying? temperature of steam temperature of water while it is condensing while it is solidifying A decreases decreases B decreases stays the same C stays the same decreases D stays the same stays the same

1 marks

Answer: D

This question in 0625/12 Feb/March 2015

Q89 · A thermometer has graduations which start at –10 °C and end at 110 °C 0625/12 Feb/March 2015

15 A thermometer has graduations which start at –10 °C and end at 110 °C. –10 0 100 110 °C What is the lower fixed point and what is the upper fixed point of the Celsius scale? lower fixed point upper fixed point / °C / °C A –10 100 B –10 110 C 0 100 D 0 110

1 marks

Answer: C

This question in 0625/12 Feb/March 2015

Q90 · The pressure of a fixed mass of gas in a cylinder is measured 0625/11 May/June 2015

13 The pressure of a fixed mass of gas in a cylinder is measured. The temperature of the gas in the cylinder is then slowly increased. The volume of the cylinder does not change. Which graph shows the pressure of the gas during this process? A B pressure pressure 0 0 0 time 0 time C D pressure pressure 0 0 0 time 0 time

1 marks

Answer: C

This question in 0625/11 May/June 2015

Q91 · The thermometer in the diagram has no scale 0625/11 May/June 2015

14 The thermometer in the diagram has no scale. stem bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in a freezer B in pure boiling water C in pure cold water D in pure melting ice

1 marks

Answer: D

This question in 0625/11 May/June 2015

Q92 · A solid is heated from room temperature 0625/11 May/June 2015

15 A solid is heated from room temperature. The graph shows how its temperature changes with time as it is heated constantly. At which time has it just become completely liquid? temperature room temperature 0 0 A B C D time

1 marks

Answer: C

This question in 0625/11 May/June 2015

Q93 · Puddles of rain water remain after a storm 0625/12 May/June 2015

12 Puddles of rain water remain after a storm. The water in the puddles gradually evaporates. How does the evaporation affect the temperature of the water remaining in the puddle, and how does it affect the average speed of the remaining water molecules in the puddle? average speed of temperature of water molecules water in puddle in puddle A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: A

This question in 0625/12 May/June 2015

Q94 · The thermometer in the diagram has no scale 0625/12 May/June 2015

14 The thermometer in the diagram has no scale. stem bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in a freezer B in pure boiling water C in pure cold water D in pure melting ice

1 marks

Answer: D

This question in 0625/12 May/June 2015

Q95 · Two metal blocks X and Y are at room temperature 0625/12 May/June 2015

15 Two metal blocks X and Y are at room temperature. Each block is heated so that its temperature rises by 10 °C. The blocks are now allowed to cool back to room temperature. Block Y has a greater thermal capacity than block X. Which block needs more thermal (heat) energy to heat it up by 10 °C and which block loses more thermal (heat) energy as it cools back to room temperature? more energy heating cooling A X X B X Y C Y X D Y Y

1 marks

Answer: D

This question in 0625/12 May/June 2015

Q96 · Molecules escape from a liquid during evaporation 0625/13 May/June 2015

13 Molecules escape from a liquid during evaporation. The temperature of the remaining liquid changes. Which molecules escape and how does the temperature change? temperature of molecules escaping remaining liquid A least energetic decreases B least energetic increases C most energetic decreases D most energetic increases

1 marks

Answer: C

This question in 0625/13 May/June 2015

Q97 · The thermometer in the diagram has no scale 0625/13 May/June 2015

14 The thermometer in the diagram has no scale. stem bulb Where must the bulb be placed so that 0 °C can be marked on the stem? A in a freezer B in pure boiling water C in pure cold water D in pure melting ice

1 marks

Answer: D

This question in 0625/13 May/June 2015

Q98 · A solid is heated from room temperature 0625/13 May/June 2015

15 A solid is heated from room temperature. The graph shows how its temperature changes with time as it is heated constantly. S T temperature Q R room temperature P 0 0 time Between which labelled points on the graph is the substance partly solid and partly liquid? A between P and Q B between Q and R C between R and S D between S and T

1 marks

Answer: B

This question in 0625/13 May/June 2015

Q99 · Which row is correct for the evaporation of a liquid? 0625/14 May/June 2015

13 Which row is correct for the evaporation of a liquid? the particles escaping the average kinetic from the liquid are on energy of particles average remaining in the liquid A the least energetic decreases B the least energetic increases C the most energetic decreases D the most energetic increases

1 marks

Answer: C

This question in 0625/14 May/June 2015

Q100 · A long thin bar of copper is heated evenly along its length 0625/14 May/June 2015

14 A long thin bar of copper is heated evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. B It becomes longer. C It becomes shorter. D It bends at the ends.

1 marks

Answer: B

This question in 0625/14 May/June 2015

Q101 · A solid is heated from room temperature 0625/14 May/June 2015

15 A solid is heated from room temperature. The graph shows how its temperature changes with time as it is heated constantly. S T temperature Q R room temperature P 0 0 time Between which labelled points on the graph is the substance partly solid and partly liquid? A between P and Q B between Q and R C between R and S D between S and T

1 marks

Answer: B

This question in 0625/14 May/June 2015

Q102 · The diagram shows four markings on a liquid-in-glass thermometer 0625/14 May/June 2015

17 The diagram shows four markings on a liquid-in-glass thermometer. 110 °C 100 °C 0 °C –10 °C Which temperatures are the upper and lower fixed points? upper fixed lower fixed point / °C point / °C A 110 0 B 110 –10 C 100 0 D 100 –10

1 marks

Answer: C

This question in 0625/14 May/June 2015

Q103 · The thermal capacity of solid Y is greater than that of solid Z 0625/14 May/June 2015

19 The thermal capacity of solid Y is greater than that of solid Z. What is a consequence of this? A Solid Y needs less thermal energy to melt it than solid Z. B Solid Y needs less thermal energy to raise its temperature by 1 °C than solid Z. C Solid Y needs more thermal energy to melt it than solid Z. D Solid Y needs more thermal energy to raise its temperature by 1 °C than solid Z.

1 marks

Answer: D

This question in 0625/14 May/June 2015

Q104 · A circular metal disc is heated 0625/11 Oct/Nov 2015

14 A circular metal disc is heated. Which quantity decreases? A its density B its diameter C its thickness D its volume

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2015

Q105 · The same quantity of thermal (heat) energy is given to two objects X and Y 0625/11 Oct/Nov 2015

15 The same quantity of thermal (heat) energy is given to two objects X and Y. The temperature rise of object X is less than the temperature rise of object Y. What accounts for this difference? A X has a larger thermal capacity than Y. B X is a better thermal conductor than Y. C Y has a larger thermal capacity than X. D Y is a better thermal conductor than X.

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2015

Q106 · A circular metal disc is heated 0625/12 Oct/Nov 2015

14 A circular metal disc is heated. Which quantity decreases? A its density B its diameter C its thickness D its volume

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2015

Q107 · A block of copper and a block of lead are heated 0625/12 Oct/Nov 2015

15 A block of copper and a block of lead are heated. The internal energy of each block increases by the same amount. The block of copper has a lower thermal capacity than the block of lead. Which conclusion can be made from this information? A The temperature increase of the copper is greater than the temperature increase of the lead. B The temperature increase of the copper is the same as the temperature increase of the lead. C The temperature increase of the copper is less than the temperature increase of the lead. D The melting point of copper is lower than the melting point of lead.

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2015

Q108 · A circular metal disc is heated 0625/13 Oct/Nov 2015

14 A circular metal disc is heated. Which quantity decreases? A its density B its diameter C its thickness D its volume

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2015

Q109 · The diagram shows a mercury-in-glass thermometer 0625/13 Oct/Nov 2015

15 The diagram shows a mercury-in-glass thermometer. The scale of the thermometer has not been marked. l The length l increases uniformly with temperature. The length l is measured when the thermometer bulb is placed in water at 0 °C, and also when it is in water at 100 °C. The table shows the results. temperature / °C length l / cm 0 2.0 100 26.0 What is the value of l when the bulb is placed in water at 50 °C? A 12.0 cm B 13.0 cm C 14.0 cm D 16.0 cm

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2015

Q110 · The table lists the melting points and the boiling points of four different substances 0625/12 Feb/March 2016

14 The table lists the melting points and the boiling points of four different substances. Which substance is a liquid at 0 °C? melting point / °C boiling point / °C A –219 –183 B –7 58 C 98 890 D 1083 2582

1 marks

Answer: B

This question in 0625/12 Feb/March 2016

Q111 · Which quantity gives the thermal capacity of a solid object? 0625/12 Feb/March 2016

16 Which quantity gives the thermal capacity of a solid object? A the energy lost by radiation from the object in 1.0 s B the energy needed to melt the object C the energy needed to raise the temperature of the object by 1.0 °C D the total amount of thermal energy in the object

1 marks

Answer: C

This question in 0625/12 Feb/March 2016

Q112 · To mark a temperature scale on a thermometer, standard temperatures known as fixed points… 0625/12 Feb/March 2016

17 To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point on the Celsius scale? A room temperature B the temperature inside a freezer C the temperature of pure melting ice D the temperature of pure warm water

1 marks

Answer: C

This question in 0625/12 Feb/March 2016

Q113 · The diagram shows electricity cables being put up on a warm day 0625/12 Feb/March 2016

18 The diagram shows electricity cables being put up on a warm day. The cables are left loose between the poles, as shown in the diagram. Why are the cables left loose? A They will contract on cold days. B They will contract on very warm days. C They will expand on cold days. D They will expand on very warm days.

1 marks

Answer: A

This question in 0625/12 Feb/March 2016

Q114 · A substance loses thermal energy (heat) to the surroundings at a steady rate 0625/11 May/June 2016

16 A substance loses thermal energy (heat) to the surroundings at a steady rate. The graph shows how the temperature of the substance changes with time. temperature P Q 0 0 time What could the portion PQ of the graph represent? A gas condensing B gas cooling C liquid cooling D liquid solidifying

1 marks

Answer: C

This question in 0625/11 May/June 2016

Q115 · A student wishes to check the upper and the lower fixed points on a Celsius scale… 0625/11 May/June 2016

17 A student wishes to check the upper and the lower fixed points on a Celsius scale thermometer. –10 0 10 20 30 40 50 60 70 80 90 100 110 °C She has four beakers P, Q, R and S. Beaker P contains a mixture of ice and salt. Beaker Q contains a mixture of ice and water. Beaker R contains boiling salt solution. Beaker S contains boiling water. Which two beakers should she use to check the fixed points? A P and R B P and S C Q and R D Q and S

1 marks

Answer: D

This question in 0625/11 May/June 2016

Q116 · The same quantity of thermal energy is supplied to two solid objects X and Y 0625/11 May/June 2016

18 The same quantity of thermal energy is supplied to two solid objects X and Y. The temperature increase of object X is greater than the temperature increase of object Y. Which statement explains this? A X has a lower melting point than Y. B X has a lower density than Y. C X has a lower thermal capacity than Y. D X is a better thermal conductor than Y.

1 marks

Answer: C

This question in 0625/11 May/June 2016

Q117 · Which statement describes what happens as ice at 0 °C starts to melt to become water? 0625/12 May/June 2016

16 Which statement describes what happens as ice at 0 °C starts to melt to become water? A Energy is absorbed and the temperature remains constant. B Energy is absorbed and the temperature rises. C Energy is released and the temperature remains constant. D Energy is released and the temperature rises.

1 marks

Answer: A

This question in 0625/12 May/June 2016

Q118 · What is meant by the fixed points of the scale of a liquid-in-glass thermometer? 0625/12 May/June 2016

17 What is meant by the fixed points of the scale of a liquid-in-glass thermometer? A the distance between one scale division and the next B the highest and lowest temperatures that the thermometer can record C the maximum and minimum depth to which the thermometer should be submerged in a liquid D the two agreed temperatures used for marking the temperature scale

1 marks

Answer: D

This question in 0625/12 May/June 2016

Q119 · A liquid at room temperature fills a flask and a glass tube to level X 0625/12 May/June 2016

18 A liquid at room temperature fills a flask and a glass tube to level X. X Y liquid The flask is now placed in ice, and the liquid level in the tube falls to level Y. Why does the level fall? A The flask contracts. B The flask expands. C The liquid contracts. D The liquid expands.

1 marks

Answer: C

This question in 0625/12 May/June 2016

Q120 · A sealed bottle of constant volume contains air 0625/13 May/June 2016

15 A sealed bottle of constant volume contains air. The air in the bottle is heated by the Sun. What is the effect on the average speed of the air molecules in the bottle, and the average distance between them? average distance average speed between air of air molecules molecules A decreases decreases B decreases stays the same C increases increases D increases stays the same

1 marks

Answer: D

This question in 0625/13 May/June 2016

Q121 · The melting points of ethanol and mercury are shown 0625/13 May/June 2016

16 The melting points of ethanol and mercury are shown. melting point / °C ethanol –114 mercury –39 Which of these two liquids is / are suitable to use in a liquid-in-glass thermometer to measure temperatures of –50 °C and –120 °C? A ethanol only B ethanol and mercury C mercury only D neither ethanol nor mercury

1 marks

Answer: D

This question in 0625/13 May/June 2016

Q122 · A jug of water is at room temperature 0625/13 May/June 2016

17 A jug of water is at room temperature. Several ice cubes at a temperature of 0 °C are dropped into the water and they begin to melt immediately. What happens to the temperature of the water and what happens to the temperature of the ice cubes while they are melting? temperature of temperature of the water the ice cubes A decreases increases B decreases stays constant C stays constant increases D stays constant stays constant

1 marks

Answer: B

This question in 0625/13 May/June 2016

Q123 · Which quantity gives the thermal capacity of a beaker? 0625/13 May/June 2016

18 Which quantity gives the thermal capacity of a beaker? A the thermal energy required to change the state of the beaker at constant temperature B the thermal energy required to raise the temperature of the beaker by 1 °C C the total mass of hot liquid that the beaker can hold D the total volume of hot liquid that the beaker can hold

1 marks

Answer: B

This question in 0625/13 May/June 2016

Q124 · When a liquid evaporates, some of its molecules escape from the surface and the… 0625/11 Oct/Nov 2016

15 When a liquid evaporates, some of its molecules escape from the surface and the temperature of the liquid changes. Which row describes the escaping molecules and the change in temperature of the liquid? temperature of escaping molecules the liquid A less energetic goes down B less energetic goes up C more energetic goes down D more energetic goes up

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2016

Q125 · A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory 0625/11 Oct/Nov 2016

16 A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 °C. boiling water melting ice Bunsen burner heating water What is happening to the temperature of the melting ice and what is happening to the temperature of the boiling water? temperature of temperature of melting ice boiling water A constant constant B constant increasing C increasing constant D increasing increasing

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2016

Q126 · Changes in which physical property cannot be used for temperature measurement? 0625/11 Oct/Nov 2016

17 Changes in which physical property cannot be used for temperature measurement? A decay rate of a radioactive source B electrical resistance of a solid C pressure of a gas D volume of a liquid

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2016

Q127 · A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory 0625/12 Oct/Nov 2016

16 A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 °C. boiling water melting ice Bunsen burner heating water What is happening to the temperature of the melting ice and what is happening to the temperature of the boiling water? temperature of temperature of melting ice boiling water A constant constant B constant increasing C increasing constant D increasing increasing

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2016

Q128 · A liquid-in-glass thermometer is to be calibrated in degrees Celsius 0625/12 Oct/Nov 2016

17 A liquid-in-glass thermometer is to be calibrated in degrees Celsius. Where should the bulb of the thermometer be placed to set a fixed point on the temperature scale? A in a mixture of water and ice B in a hot drink C in a Bunsen burner flame D in a refrigerator

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2016

Q129 · A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory 0625/13 Oct/Nov 2016

16 A piece of melting ice at 0 °C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 °C. boiling water melting ice Bunsen burner heating water What is happening to the temperature of the melting ice and what is happening to the temperature of the boiling water? temperature of temperature of melting ice boiling water A constant constant B constant increasing C increasing constant D increasing increasing

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2016

Q130 · A liquid-in-glass thermometer works because the liquid shows a change in A colour 0625/13 Oct/Nov 2016

17 A liquid-in-glass thermometer works because the liquid shows a change in A colour. B mass. C thermal capacity. D volume.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2016

Q131 · When a thermometer is calibrated, the fixed points are marked 0625/12 Feb/March 2017

15 When a thermometer is calibrated, the fixed points are marked. What are fixed points? A all the marks on the temperature scale which cannot be removed B all the marks of the temperature scale C the lowest and highest temperatures shown on the thermometer D two temperatures of known value which are easily reproduced

1 marks

Answer: D

This question in 0625/12 Feb/March 2017

Q132 · Which statement defines the thermal capacity (heat capacity) of a solid body? 0625/12 Feb/March 2017

16 Which statement defines the thermal capacity (heat capacity) of a solid body? A the energy needed to melt the body without a change in temperature B the energy needed to raise the temperature of the body by one degree Celsius C the increase in the volume of the body when its temperature is raised by one degree Celsius D the total amount of internal energy in the body

1 marks

Answer: B

This question in 0625/12 Feb/March 2017

Q133 · A substance can exist in three different states: solid, liquid or gas 0625/12 Feb/March 2017

17 A substance can exist in three different states: solid, liquid or gas. Each of the two statements below describes a change of state. change 1 Molecules move closer together but continue to travel throughout the substance. change 2 Molecules stop travelling throughout the substance and just vibrate about fixed positions. Which changes of state do these statements describe? change 1 change 2 A condensation melting B condensation solidification C solidification condensation D solidification melting

1 marks

Answer: B

This question in 0625/12 Feb/March 2017

Q134 · The diagram shows a metal foot bridge located in the Sahara desert where the temperature… 0625/11 May/June 2017

15 The diagram shows a metal foot bridge located in the Sahara desert where the temperature is much less at night than during the day. The ends of the bridge are firmly fixed to the sides of a narrow valley. The solid line shows the bridge during the coldest part of the night. Which dotted line shows the bridge at the hottest part of the day? A B C D

1 marks

Answer: A

This question in 0625/11 May/June 2017

Q135 · Equal masses of two different liquids are put into identical beakers 0625/11 May/June 2017

16 Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heaters of the same power. Each liquid has the same rise in temperature. different liquids of same mass liquid 1 liquid 2 heating time = 100 s heating time = 200 s Which statement is correct? A Each beaker of liquid has the same thermal capacity. B Each beaker of liquid receives the same energy. C Liquid 1 receives more energy than liquid 2. D The thermal capacity of liquid 1 is less than the thermal capacity of liquid 2.

1 marks

Answer: D

This question in 0625/11 May/June 2017

Q136 · A glass bottle has a metal cap 0625/12 May/June 2017

15 A glass bottle has a metal cap. The cap fits very tightly and is difficult to remove. The cap and the neck of the bottle are dipped in a bowl of hot water. The cap can be removed more easily. What happens to allow the cap to be removed more easily from the bottle? A The cap contracts. B The cap expands. C The glass bottle contracts. D The glass bottle expands.

1 marks

Answer: B

This question in 0625/12 May/June 2017

Q137 · Equal masses of two different liquids are put into identical beakers 0625/12 May/June 2017

16 Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heaters of the same power. Each liquid has the same rise in temperature. different liquids of same mass liquid 1 liquid 2 heating time = 100 s heating time = 200 s Which statement is correct? A Each beaker of liquid has the same thermal capacity. B Each beaker of liquid receives the same energy. C Liquid 1 receives more energy than liquid 2. D The thermal capacity of liquid 1 is less than the thermal capacity of liquid 2.

1 marks

Answer: D

This question in 0625/12 May/June 2017

Q138 · A glass of water is taken out of a refrigerator 0625/12 May/June 2017

18 A glass of water is taken out of a refrigerator. Several ice cubes are put into the glass of water. The glass is then left in the room for several hours. The graph shows how the temperature of the water in the glass varies from the time it is taken out of the refrigerator. temperature X 0 time What does the temperature marked X represent? A boiling point of water B melting point of ice C room temperature D temperature inside refrigerator

1 marks

Answer: C

This question in 0625/12 May/June 2017

Q139 · The temperature of a bridge rises from 5 °C on a cold night to 25 °C at midday 0625/13 May/June 2017

15 The temperature of a bridge rises from 5 °C on a cold night to 25 °C at midday. What happens to the bridge? A It becomes heavier. B It becomes more dense. C Its length increases. D Its mass increases.

1 marks

Answer: C

This question in 0625/13 May/June 2017

Q140 · Equal masses of two different liquids are put into identical beakers 0625/13 May/June 2017

16 Equal masses of two different liquids are put into identical beakers. Liquid 1 is heated for 100 s and liquid 2 is heated for 200 s by heaters of the same power. Each liquid has the same rise in temperature. different liquids of same mass liquid 1 liquid 2 heating time = 100 s heating time = 200 s Which statement is correct? A Each beaker of liquid has the same thermal capacity. B Each beaker of liquid receives the same energy. C Liquid 1 receives more energy than liquid 2. D The thermal capacity of liquid 1 is less than the thermal capacity of liquid 2.

1 marks

Answer: D

This question in 0625/13 May/June 2017

Q141 · A solid substance is heated at a constant rate 0625/13 May/June 2017

17 A solid substance is heated at a constant rate. The solid changes into a liquid and then into a gas. The graph shows how the temperature of the substance changes. 700 temperature / °C 600 500 400 300 200 100 0 0 time What is the melting point and what is the boiling point of the substance? melting boiling point / °C point / °C A 200 300 B 200 500 C 300 500 D 300 700

1 marks

Answer: C

This question in 0625/13 May/June 2017

Q142 · A strip of iron and a strip of brass are firmly attached to each other along their entire… 0625/11 Oct/Nov 2017

16 A strip of iron and a strip of brass are firmly attached to each other along their entire length. This combination is a bimetallic strip. iron strip brass strip This bimetallic strip is heated and it bends as shown. iron fixed support brass The bimetallic strip is now cooled and becomes straight again. What causes the bimetallic strip to become straight again? A The brass contracts more than the iron. B The brass expands more than the iron. C The iron contracts more than the brass. D The iron expands more than the brass.

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2017

Q143 · The diagram shows an electric heater being used to heat a beaker of water and an… 0625/11 Oct/Nov 2017

17 The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one minute. water oil electric heater The temperature of the water and the temperature of the oil increase steadily. The increase in temperature of the oil is much greater than that of the water. Why is this? A Oil has a higher boiling point than water. B Oil has a lower boiling point than water. C The oil has a larger thermal capacity than the water. D The oil has a smaller thermal capacity than the water.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2017

Q144 · Which row identifies the fixed points on the Celsius scale? 0625/12 Oct/Nov 2017

16 Which row identifies the fixed points on the Celsius scale? lower fixed point upper fixed point A boiling point of mercury melting point of pure ice B boiling point of pure water melting point of pure ice C melting point of mercury boiling point of pure water D melting point of pure ice boiling point of pure water

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2017

Q145 · The diagram shows an electric heater being used to heat a beaker of water and an… 0625/12 Oct/Nov 2017

17 The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one minute. water oil electric heater The temperature of the water and the temperature of the oil increase steadily. The increase in temperature of the oil is much greater than that of the water. Why is this? A Oil has a higher boiling point than water. B Oil has a lower boiling point than water. C The oil has a larger thermal capacity than the water. D The oil has a smaller thermal capacity than the water.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2017

Q146 · Which statement about the direction of a change of state is correct? 0625/12 Oct/Nov 2017

18 Which statement about the direction of a change of state is correct? A Evaporation is the reverse process to boiling. B Evaporation is the reverse process to condensation. C Evaporation is the reverse process to melting. D Evaporation is the reverse process to solidification.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2017

Q147 · Which property cannot be used for the measurement of temperature? 0625/13 Oct/Nov 2017

16 Which property cannot be used for the measurement of temperature? A half-life of a radioactive isotope B length of a solid metal bar C pressure of a gas D volume of a liquid

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2017

Q148 · The diagram shows an electric heater being used to heat a beaker of water and an… 0625/13 Oct/Nov 2017

17 The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one minute. water oil electric heater The temperature of the water and the temperature of the oil increase steadily. The increase in temperature of the oil is much greater than that of the water. Why is this? A Oil has a higher boiling point than water. B Oil has a lower boiling point than water. C The oil has a larger thermal capacity than the water. D The oil has a smaller thermal capacity than the water.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2017

Q149 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/11 May/June 2018

17 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle B heating the iron circle C heating the wooden wheel and cooling the iron circle D heating the wooden wheel but not heating or cooling the iron circle

1 marks

Answer: B

This question in 0625/11 May/June 2018

Q150 · A student wishes to calibrate a mercury-in-glass thermometer with a °C scale 0625/11 May/June 2018

18 A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for the upper fixed point? lower fixed point upper fixed point A melting point of ice boiling point of mercury B melting point of ice boiling point of water C melting point of mercury boiling point of mercury D melting point of mercury boiling point of water

1 marks

Answer: B

This question in 0625/11 May/June 2018

Q151 · An electric kettle heats some water 0625/12 May/June 2018

15 An electric kettle heats some water. The same kettle then heats a different liquid. The temperature of the liquid rises more rapidly than the temperature of the water. What is a possible explanation of this difference? A The liquid condenses on the cooler parts of the kettle less than the water does. B The liquid expands more than the water as it heats up. C The liquid has a lower boiling point than the water. D The liquid has a smaller thermal capacity than the water.

1 marks

Answer: D

This question in 0625/12 May/June 2018

Q152 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/12 May/June 2018

16 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle B heating the iron circle C heating the wooden wheel and cooling the iron circle D heating the wooden wheel but not heating or cooling the iron circle

1 marks

Answer: B

This question in 0625/12 May/June 2018

Q153 · A student wishes to calibrate a mercury-in-glass thermometer with a °C scale 0625/12 May/June 2018

17 A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for the upper fixed point? lower fixed point upper fixed point A melting point of ice boiling point of mercury B melting point of ice boiling point of water C melting point of mercury boiling point of mercury D melting point of mercury boiling point of water

1 marks

Answer: B

This question in 0625/12 May/June 2018

Q154 · A pure liquid is left in an open beaker and some of the liquid molecules escape by… 0625/13 May/June 2018

13 A pure liquid is left in an open beaker and some of the liquid molecules escape by evaporation. Which statement about this process is correct? A None of the escaping molecules return to the liquid. B The escaping molecules are generally the more energetic ones. C The rate of escape of the molecules can be increased by increasing the depth of the liquid in the beaker. D The temperature of the remaining liquid is unaffected by the escape of the molecules.

1 marks

Answer: B

This question in 0625/13 May/June 2018

Q155 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/13 May/June 2018

14 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle B heating the iron circle C heating the wooden wheel and cooling the iron circle D heating the wooden wheel but not heating or cooling the iron circle

1 marks

Answer: B

This question in 0625/13 May/June 2018

Q156 · A student wishes to calibrate a mercury-in-glass thermometer with a °C scale 0625/13 May/June 2018

15 A student wishes to calibrate a mercury-in-glass thermometer with a °C scale. Which values should she use for the lower fixed point and for the upper fixed point? lower fixed point upper fixed point A melting point of ice boiling point of mercury B melting point of ice boiling point of water C melting point of mercury boiling point of mercury D melting point of mercury boiling point of water

1 marks

Answer: B

This question in 0625/13 May/June 2018

Q157 · Which diagram shows how the thermal capacity of a silver object depends on its mass? 0625/13 May/June 2018

16 Which diagram shows how the thermal capacity of a silver object depends on its mass? A B thermal thermal capacity capacity 0 0 0 mass 0 mass C D thermal thermal capacity capacity 0 0 0 mass 0 mass

1 marks

Answer: C

This question in 0625/13 May/June 2018

Q158 · The distance between two electricity pylons is 60 m 0625/11 Oct/Nov 2018

16 The distance between two electricity pylons is 60 m. An engineer fits a cable of length 62 m between the pylons. Why does the engineer choose a cable that is longer than the distance between the two pylons? A to allow for contraction of the cable in cold weather B to create a slope in the cable for electrons to flow down C to keep the current low and the voltage high D to reduce magnetic fields around the cable

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2018

Q159 · Some ice is slowly heated and its temperature is measured 0625/11 Oct/Nov 2018

17 Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time. 100 temperature / °C X 0 –10 time Which row describes what happens to the thermal energy and to the temperature in section X? thermal energy temperature of ice A gained by ice rises B gained by ice stays the same C not gained by ice rises D not gained by ice stays the same

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2018

Q160 · The metal lid on a glass jar is difficult to unscrew 0625/12 Oct/Nov 2018

16 The metal lid on a glass jar is difficult to unscrew. The jar is placed in a warm oven until the jar and the lid reach the same temperature. The lid is now easily unscrewed. Which property accounts for this? A thermal capacity of the jar B thermal capacity of the lid C thermal conduction D thermal expansion

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2018

Q161 · Two cold metal containers X and Y are both filled with the same mass of hot water at the… 0625/12 Oct/Nov 2018

17 Two cold metal containers X and Y are both filled with the same mass of hot water at the same temperature. Both containers are well insulated. The thermal capacity of container X is greater than that of container Y. How do the final temperatures of the water in X and in Y compare? A The temperature in X is higher than in Y. B The temperature in X is lower than in Y. C The temperatures in X and in Y are equal but lower than the initial temperature of the water. D The temperatures in X and in Y are the same as the initial temperature of the water.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2018

Q162 · Liquid in a dish evaporates 0625/13 Oct/Nov 2018

14 Liquid in a dish evaporates. This causes the temperature of the remaining liquid to change. Which row is correct? change in reason for temperature change temperature A increase the most energetic molecules remain in the liquid B increase the most energetic molecules escape from the liquid C decrease the most energetic molecules remain in the liquid D decrease the most energetic molecules escape from the liquid

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2018

Q163 · Which row shows the relative order of thermal expansion of solids, liquids and gases? 0625/13 Oct/Nov 2018

16 Which row shows the relative order of thermal expansion of solids, liquids and gases? most expansion least expansion A solids liquids gases B solids gases liquids C gases solids liquids D gases liquids solids

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2018

Q164 · Steam at 100 °C condenses to form water at 100 °C 0625/13 Oct/Nov 2018

17 Steam at 100 °C condenses to form water at 100 °C. What happens to the average separation and what happens to the average speed of the water molecules? separation average speed A decreases decreases B decreases remains the same C increases decreases D increases remains the same

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2018

Q165 · On a cold day, a metal measuring tape graduated in millimetres is used to measure the… 0625/12 Feb/March 2019

15 On a cold day, a metal measuring tape graduated in millimetres is used to measure the distance between two fence posts. The measuring tape reads 3.000 m. On a much hotter day, the metal measuring tape is used to measure the length of the same distance again. The metal measuring tape has a higher temperature than the ground. The temperature of the ground remains constant. Which statement is correct? A The measuring tape reads less than 3.000 m because the graduations are closer together. B The measuring tape reads less than 3.000 m because the graduations are further apart. C The measuring tape reads more than 3.000 m because the graduations are closer together. D The measuring tape reads more than 3.000 m because the graduations are further apart.

1 marks

Answer: B

This question in 0625/12 Feb/March 2019

Q166 · A thermometer has graduations which start at –10 °C and end at 110 °C 0625/12 Feb/March 2019

16 A thermometer has graduations which start at –10 °C and end at 110 °C. –10 0 100 110 °C What is the lower fixed point and what is the upper fixed point of the Celsius scale? lower fixed point upper fixed point / °C / °C A –10 100 B –10 110 C 0 100 D 0 110

1 marks

Answer: C

This question in 0625/12 Feb/March 2019

Q167 · Which row describes the process of melting? 0625/12 Feb/March 2019

17 Which row describes the process of melting? change in initial state final state temperature? A liquid gas yes B liquid solid no C solid gas yes D solid liquid no

1 marks

Answer: D

This question in 0625/12 Feb/March 2019

Q168 · When a liquid evaporates, some molecules escape 0625/11 May/June 2019

15 When a liquid evaporates, some molecules escape. The temperature of the remaining liquid changes. What is the effect on the temperature and from where do the molecules escape? temperature of liquid molecules escape from A decreases everywhere within the liquid B decreases the surface only C increases everywhere within the liquid D increases the surface only

1 marks

Answer: B

This question in 0625/11 May/June 2019

Q169 · What happens when a metal block is heated? 0625/11 May/June 2019

16 What happens when a metal block is heated? A Its breadth, height and length all increase. B Its width increases only. C Its height increases only. D Its length increases only.

1 marks

Answer: A

This question in 0625/11 May/June 2019

Q170 · A night storage heater contains a large block of material that is heated electrically… 0625/11 May/June 2019

17 A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block? thermal capacity night-time of block temperature increase A large large B large small C small large D small small

1 marks

Answer: A

This question in 0625/11 May/June 2019

Q171 · The diagram shows the changes of state P, Q, R and S that occur in solids, liquids and… 0625/11 May/June 2019

18 The diagram shows the changes of state P, Q, R and S that occur in solids, liquids and gases when they gain or lose thermal energy. gain thermal energy P Q solid liquid gas S R lose thermal energy What is the name of change R? A condensation B solidification C boiling D melting

1 marks

Answer: A

This question in 0625/11 May/June 2019

Q172 · A sample of mercury is heated 0625/12 May/June 2019

14 A sample of mercury is heated. In which states of matter will its volume increase as its temperature rises? A gas only B liquid and gas only C solid and liquid only D solid, liquid and gas

1 marks

Answer: D

This question in 0625/12 May/June 2019

Q173 · The resistance of a resistor varies linearly with temperature as shown on the graph 0625/12 May/June 2019

16 The resistance of a resistor varies linearly with temperature as shown on the graph. 120 resistance / Ω 110 100 90 80 70 60 –20 0 20 40 60 80 100 temperature / °C Which statement is correct? A When immersed in boiling water, the resistance is 120 Ω. B The resistance at the lower fixed point is 80 Ω. C When the resistance is 100 Ω the temperature is 120 °C. D The resistor can only be used at temperatures between 0 °C and 100 °C.

1 marks

Answer: A

This question in 0625/12 May/June 2019

Q174 · A night storage heater contains a large block of material that is heated electrically… 0625/12 May/June 2019

17 A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block? thermal capacity night-time of block temperature increase A large large B large small C small large D small small

1 marks

Answer: A

This question in 0625/12 May/June 2019

Q175 · Which row describes the process of condensation? 0625/12 May/June 2019

18 Which row describes the process of condensation? separation change of state of molecules A gas to liquid decreases B gas to liquid increases C liquid to gas decreases D liquid to gas increases

1 marks

Answer: A

This question in 0625/12 May/June 2019

Q176 · Here are three statements about a liquid-in-glass thermometer with a Celsius scale 0625/13 May/June 2019

16 Here are three statements about a liquid-in-glass thermometer with a Celsius scale. 1 The lower fixed point is the temperature at which pure water freezes. 2 The upper fixed point is the temperature at which pure water boils. 3 A scale is made by dividing the distance between the fixed points into equal divisions. Which statements are correct? A 1 and 2 only B 2 and 3 only C 1 and 3 only D 1, 2 and 3

1 marks

Answer: D

This question in 0625/13 May/June 2019

Q177 · A night storage heater contains a large block of material that is heated electrically… 0625/13 May/June 2019

17 A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block? thermal capacity night-time of block temperature increase A large large B large small C small large D small small

1 marks

Answer: A

This question in 0625/13 May/June 2019

Q178 · A student investigates the melting point of a pure substance 0625/13 May/June 2019

18 A student investigates the melting point of a pure substance. She heats the substance slowly and takes readings of its temperature as the substance starts to melt and when it finishes melting. Which statement is correct? A The temperature decreases slightly as the substance melts. B The temperature fluctuates as the substance melts. C The temperature increases as the substance melts. D The temperature stays the same as the substance melts.

1 marks

Answer: D

This question in 0625/13 May/June 2019

Q179 · Which statement about the evaporation of a liquid is correct? 0625/11 Oct/Nov 2019

15 Which statement about the evaporation of a liquid is correct? A The least energetic molecules escape from the surface and the temperature of the liquid decreases. B The least energetic molecules escape from the surface and the temperature of the liquid increases. C The most energetic molecules escape from the surface and the temperature of the liquid decreases. D The most energetic molecules escape from the surface and the temperature of the liquid increases.

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

Q180 · Which effect is caused by thermal expansion? 0625/11 Oct/Nov 2019

16 Which effect is caused by thermal expansion? A a metal surface heating up in direct sunlight B ice-cream melting on a hot day C a railway track buckling on a hot day D ice forming on a pond on a cold day

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

Q181 · A liquid-in-glass thermometer uses a change in a property of a liquid to measure… 0625/11 Oct/Nov 2019

17 A liquid-in-glass thermometer uses a change in a property of a liquid to measure temperature. Which property is used? A mass B thermal capacity C volume D weight

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

Q182 · The diagram shows four labelled changes of state between solid, liquid and gas 0625/11 Oct/Nov 2019

18 The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input? A P and Q B Q and R C R and S D S and P

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2019

Q183 · What is the unit of thermal energy? 0625/12 Oct/Nov 2019

10 What is the unit of thermal energy? A °C B N C J D W

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2019

Q184 · A driver of a car measures the pressure of the air in the tyres 0625/12 Oct/Nov 2019

15 A driver of a car measures the pressure of the air in the tyres. He measures the pressure again after a long journey. The pressure reading has increased. Which row states what has happened to the speed of the air molecules and the temperature of the air in the tyres? speed of molecules temperature A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2019

Q185 · Some water in a glass flask is gently heated 0625/12 Oct/Nov 2019

16 Some water in a glass flask is gently heated. water level in tube glass tube glass flask water heat Why does the water level in the glass tube rise during heating? A Only the glass flask expands. B Only the water expands. C The glass flask expands more than the water. D The water expands more than the glass flask.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2019

Q186 · What is the temperature difference between the fixed points on the °C temperature scale? 0625/12 Oct/Nov 2019

17 What is the temperature difference between the fixed points on the °C temperature scale? A 10 °C B 100 °C C 110 °C D 120 °C

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2019

Q187 · The diagram shows four labelled changes of state between solid, liquid and gas 0625/12 Oct/Nov 2019

18 The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input? A P and Q B Q and R C R and S D S and P

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2019

Q188 · A fixed mass of gas is trapped in a container 0625/13 Oct/Nov 2019

15 A fixed mass of gas is trapped in a container. The temperature of the gas is increased but the volume of the gas is kept constant. fixed mass of gas How does this change affect the kinetic energy of the molecules and the pressure on the walls of the container? kinetic energy pressure A increases increases B stays the same increases C increases decreases D decreases increases

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2019

Q189 · The diagram shows a liquid-in-glass thermometer 0625/13 Oct/Nov 2019

16 The diagram shows a liquid-in-glass thermometer. liquid thread 110 °C –10 0 10 20 30 40 50 60 70 80 90 100 When the temperature of the thermometer rises, the changes produced cause the liquid thread to move to the right. Why does this happen when the temperature of the thermometer rises? A Gases contract and liquids expand. B Gases contract and solids expand. C Liquids expand more than gases. D Liquids expand more than solids.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2019

Q190 · A liquid-in-glass thermometer has a range from –10 °C to 110 °C 0625/13 Oct/Nov 2019

17 A liquid-in-glass thermometer has a range from –10 °C to 110 °C. What are the fixed point temperatures used when calibrating this thermometer in °C? A –10 °C and 0 °C B –10 °C and 110 °C C 0 °C and 100 °C D 0 °C and 110 °C

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2019

Q191 · The diagram shows four labelled changes of state between solid, liquid and gas 0625/13 Oct/Nov 2019

18 The diagram shows four labelled changes of state between solid, liquid and gas. P Q solid liquid gas S R Which changes need an energy input? A P and Q B Q and R C R and S D S and P

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2019

Q192 · The thermometer in the diagram has no scale 0625/11 May/June 2020

16 The thermometer in the diagram has no scale. Before this thermometer can be used to measure temperature, two standard temperatures known as fixed points are needed. These are labelled X and Y. X Y bulb Which row describes these fixed points on the Celsius scale? X Y A temperature of pure boiling water normal body temperature B temperature of pure boiling water temperature of pure melting ice C normal body temperature temperature of pure boiling water D temperature of pure melting ice temperature of pure boiling water

1 marks

Answer: B

This question in 0625/11 May/June 2020

Q193 · When a hot gas is left to cool, its internal energy decreases 0625/11 May/June 2020

17 When a hot gas is left to cool, its internal energy decreases. What causes this? A a decrease in the kinetic energy of the gas particles B a decrease in the gravitational potential energy of the gas particles C an increase in the average speed of the gas particles D an increase in the average distance of separation of the gas particles

1 marks

Answer: A

This question in 0625/11 May/June 2020

Q194 · The diagrams show four blocks of steel 0625/11 May/June 2020

18 The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy is given to each block. Which block shows the greatest rise in temperature? A B C D

1 marks

Answer: A

This question in 0625/11 May/June 2020

Q195 · The diagram shows a liquid-in-glass thermometer 0625/12 May/June 2020

16 The diagram shows a liquid-in-glass thermometer. °C –10 0 10 20 30 40 50 60 70 80 90 100 110 What is the temperature difference between the two fixed points on the Celsius scale? A 10 °C B 100 °C C 110 °C D 120 °C

1 marks

Answer: B

This question in 0625/12 May/June 2020

Q196 · A metal block is left overnight in a cool, shady room 0625/12 May/June 2020

17 A metal block is left overnight in a cool, shady room. In the morning, the metal block is moved into warm surroundings. Which statement about the metal block is correct in the morning? A The internal energy of the metal block increases. B The temperature of the metal block decreases. C Convection transfers energy throughout the metal block. D The metal contracts slightly.

1 marks

Answer: A

This question in 0625/12 May/June 2020

Q197 · The diagrams show four blocks of steel 0625/12 May/June 2020

18 The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy is given to each block. Which block shows the greatest rise in temperature? A B C D

1 marks

Answer: A

This question in 0625/12 May/June 2020

Q198 · The diagram shows a liquid-in-glass thermometer 0625/13 May/June 2020

16 The diagram shows a liquid-in-glass thermometer. X Y Which row gives the correct labels for the thermometer? X Y A water narrow tube of uniform diameter B alcohol narrow tube of uniform diameter C water this end immersed in substance to be measured D alcohol this end immersed in substance to be measured

1 marks

Answer: B

This question in 0625/13 May/June 2020

Q199 · The diagrams show four blocks of steel 0625/13 May/June 2020

17 The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy is given to each block. Which block shows the greatest rise in temperature? A B C D

1 marks

Answer: A

This question in 0625/13 May/June 2020

Q200 · A gas is cooled so that its molecules move more slowly, come closer together and do not… 0625/13 May/June 2020

18 A gas is cooled so that its molecules move more slowly, come closer together and do not move freely. Which process is being described? A boiling B condensing C freezing D melting

1 marks

Answer: B

This question in 0625/13 May/June 2020

Q201 · When a bridge is built, a gap is left between each concrete slab 0625/11 Oct/Nov 2020

16 When a bridge is built, a gap is left between each concrete slab. Why are these gaps left? A Concrete expands on warm days. B Concrete contracts on warm days. C The gaps expand on warm days. D The gaps contract on cold days.

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2020

Q202 · The table shows the melting and boiling points of four different substances 0625/11 Oct/Nov 2020

17 The table shows the melting and boiling points of four different substances. Which substance becomes a liquid when placed in a beaker of boiling water? melting point / C boiling point / C A 10 90 B 40 150 C 105 230 D 110 320

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2020

Q203 · On a warm day, a driver checks the air pressure in a car tyre 0625/12 Oct/Nov 2020

14 On a warm day, a driver checks the air pressure in a car tyre. At night, the temperature drops and the air pressure in the tyre decreases. There are no air leaks in the tyre. Why does the pressure decrease? A The air molecules in the tyre move more slowly. B The air molecules in the tyre stop moving. C The volume of the air in the tyre decreases. D The volume of the air in the tyre increases.

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2020

Q204 · A bimetallic strip is used to control the temperature of electrical appliances 0625/12 Oct/Nov 2020

16 A bimetallic strip is used to control the temperature of electrical appliances. It is made of two different metals fixed together. The diagram shows the shape of the bimetallic strip before and after heating. metal P metal Q before heating after heating Which statement is correct? A Metal P contracts more than metal Q on heating. B Metal Q contracts more than metal P on heating. C Metal P expands more than metal Q on heating. D Metal Q expands more than metal P on heating.

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2020

Q205 · Samples of four different substances are heated in turn by the same heater, for the same… 0625/12 Oct/Nov 2020

17 Samples of four different substances are heated in turn by the same heater, for the same time duration and in the same conditions. The increase in temperature for each sample is recorded in the table. Which sample has the highest thermal capacity? temperature sample rise / C A aluminium 6.0 B copper 8.0 C mercury 10.0 D water 5.0

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2020

Q206 · Which physical property changes when temperature is measured with a liquid-in-glass… 0625/13 Oct/Nov 2020

16 Which physical property changes when temperature is measured with a liquid-in-glass thermometer? A electromotive force B pressure C resistance D volume

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2020

Q207 · Two different pure substances X and Y are heated 0625/13 Oct/Nov 2020

17 Two different pure substances X and Y are heated. Both substance X and substance Y are initially in the solid state. The graph shows how the temperature of each substance changes with time. substance X temperature substance Y 0 0 time What does the graph tell us about the substances? A Substance X has a lower boiling point than substance Y. B Substance X has a lower melting point than substance Y. C Substance Y has a lower boiling point than substance X. D Substance Y has a lower melting point than substance X.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2020

Q208 · A beaker of liquid is heated slowly so that the liquid evaporates 0625/12 Feb/March 2021

16 A beaker of liquid is heated slowly so that the liquid evaporates. During evaporation, from where do the more energetic molecules leave the liquid? A B liquid C D heat

1 marks

Answer: A

This question in 0625/12 Feb/March 2021

Q209 · The diagram shows a simple type of thermometer 0625/12 Feb/March 2021

18 The diagram shows a simple type of thermometer. steel bar roller horizontal surface pointer The roller rests on a horizontal surface and the steel bar rests on top of the roller. When the temperature changes, the pointer rotates. Which physical property is being used to measure temperature? A the length of the pointer B the length of the roller C the length of the steel bar D the thickness of the roller

1 marks

Answer: C

This question in 0625/12 Feb/March 2021

Q210 · A piece of melting ice at 0 C and a beaker of boiling water are both in a laboratory 0625/12 Feb/March 2021

19 A piece of melting ice at 0 C and a beaker of boiling water are both in a laboratory. The laboratory is at 20 C. boiling water Bunsen burner melting ice heating water What is happening to the temperature of the melting ice and what is happening to the temperature of the boiling water? temperature of temperature of melting ice boiling water A constant constant B constant increasing C increasing constant D increasing increasing

1 marks

Answer: A

This question in 0625/12 Feb/March 2021

Q211 · A hole is drilled in a metal plate 0625/12 May/June 2021

16 A hole is drilled in a metal plate. What happens to the length of the plate and to the diameter of the hole when the plate is cooled? length of plate diameter of hole A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: A

This question in 0625/12 May/June 2021

Q212 · A liquid-in-glass thermometer uses alcohol as its liquid 0625/12 May/June 2021

17 A liquid-in-glass thermometer uses alcohol as its liquid. Which property of alcohol is used to measure the temperature? A boiling point B colour C thermal capacity D volume

1 marks

Answer: D

This question in 0625/12 May/June 2021

Q213 · The thermal capacity of object Y is greater than that of object Z 0625/12 May/June 2021

18 The thermal capacity of object Y is greater than that of object Z. What is a consequence of this? A Object Y needs less thermal energy to melt it than object Z. B Object Y needs less thermal energy to raise its temperature by 1 C than object Z. C Object Y needs more thermal energy to melt it than object Z. D Object Y needs more thermal energy to raise its temperature by 1 C than object Z.

1 marks

Answer: D

This question in 0625/12 May/June 2021

Q214 · A long, thin bar of copper is heated gently and evenly along its length 0625/11 Oct/Nov 2021

14 A long, thin bar of copper is heated gently and evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. B It becomes longer. C It becomes shorter. D It bends at the ends.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2021

Q215 · The diagram shows a flask which has been filled with liquid X at room temperature 0625/11 Oct/Nov 2021

15 The diagram shows a flask which has been filled with liquid X at room temperature. level of liquid at room temperature stopper liquid X When the flask is placed in warm water, the liquid rises higher up the tube. When the flask is put in cold water, the liquid drops below the original level in the tube. The experiment is repeated using an identical flask but a different liquid Y. The initial level of the liquid in the tube is the same as that in the original experiment. Liquid Y expands more, per degree increase in temperature, than liquid X. Which row is correct for the level of the liquid? rises most in falls most in warm water cold water A X X B X Y C Y X D Y Y

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2021

Q216 · The temperature of the gas in a sealed container of constant volume decreases from 20 C… 0625/12 Oct/Nov 2021

13 The temperature of the gas in a sealed container of constant volume decreases from 20 C to 12 C. Which row is correct? pressure of the gas average speed of in the container the molecules of gas A decreases decreases B stays the same increases C increases stays the same D stays the same decreases

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2021

Q217 · A long, thin bar of copper is heated gently and evenly along its length 0625/12 Oct/Nov 2021

14 A long, thin bar of copper is heated gently and evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. B It becomes longer. C It becomes shorter. D It bends at the ends.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2021

Q218 · A teacher makes the statement, ‘Object P has a higher thermal capacity than object Q.’… 0625/12 Oct/Nov 2021

15 A teacher makes the statement, ‘Object P has a higher thermal capacity than object Q.’ What does this statement mean? A Object P has a higher melting point than object Q. B Object P has a lower melting point than object Q. C The increase in temperature of object P is greater than that of object Q for the same increase in internal energy. D The increase in temperature of object P is smaller than that of object Q for the same increase in internal energy.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2021

Q219 · A long, thin bar of copper is heated gently and evenly along its length 0625/13 Oct/Nov 2021

14 A long, thin bar of copper is heated gently and evenly along its length. copper bar heat What happens to the bar? A It becomes less heavy. B It becomes longer. C It becomes shorter. D It bends at the ends.

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2021

Q220 · The diagrams show four examples of thermal expansion 0625/13 Oct/Nov 2021

15 The diagrams show four examples of thermal expansion. In three of the examples, thermal expansion is useful. In one of the examples, expansion is unwanted and has to be allowed for. In which example is thermal expansion unwanted? A B small gap nut fixed end rollers river heat a bridge getting loosening a very longer in hot weather tight nut by heating it C D brass steel a bimetallic strip liquid-in-glass to indicate temperature thermometer

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2021

Q221 · Which name is given to the change in volume of a gas when it is heated at constant… 0625/12 Feb/March 2022

16 Which name is given to the change in volume of a gas when it is heated at constant pressure? A thermal capacity B thermal conduction C thermal energy D thermal expansion

1 marks

Answer: D

This question in 0625/12 Feb/March 2022

Q222 · Some ice is slowly heated and its temperature is measured 0625/12 Feb/March 2022

17 Some ice is slowly heated and its temperature is measured. A graph is plotted of temperature against time. 100 temperature /°C «xX , 0 —10 time Which row describes what happens to the thermal energy and to the temperature in section X? thermal energy temperature of ice A gained by ice rises B gained by ice stays the same Cc not gained by ice rises D not gained by ice stays the same

1 marks

Answer: B

This question in 0625/12 Feb/March 2022

Q223 · The melting point of a substance is –78 C and its boiling point is 23 C 0625/12 Feb/March 2022

18 The melting point of a substance is –78 C and its boiling point is 23 C. Which row gives the correct state of matter of the substance at the given temperatures? state at state at temperature of 0 C temperature of 100 C A solid liquid B solid gas C liquid solid D liquid gas

1 marks

Answer: D

This question in 0625/12 Feb/March 2022

Q224 · What happens to the volumes of liquid metal and of solid metal when heated at constant… 0625/11 May/June 2022

15 What happens to the volumes of liquid metal and of solid metal when heated at constant pressure? volume of volume of liquid metal solid metal A decreases increases B decreases no change C increases increases D increases no change

1 marks

Answer: C

This question in 0625/11 May/June 2022

Q225 · The diagram shows a liquid-in-glass thermometer 0625/11 May/June 2022

16 The diagram shows a liquid-in-glass thermometer. °C –10 0 10 20 30 40 50 60 70 80 90 100 110 A student wishes to check the marking of the upper fixed point on this thermometer. What should she do? A Put the bulb in a beaker of boiling sea water. B Put the bulb in a beaker of boiling pure water. C Put the bulb in a beaker of ice and salt. D Put the bulb in a beaker of pure melting ice.

1 marks

Answer: B

This question in 0625/11 May/June 2022

Q226 · The diagram shows a convection current caused by a piece of ice placed in a beaker of… 0625/11 May/June 2022

18 The diagram shows a convection current caused by a piece of ice placed in a beaker of water at room temperature. ice Q P Which row correctly compares the temperatures and densities at water points P and Q? temperature at P density at P A higher than at Q higher than at Q B higher than at Q lower than at Q C lower than at Q higher than at Q D lower than at Q lower than at Q

1 marks

Answer: C

This question in 0625/11 May/June 2022

Q227 · The diagram shows a liquid-in-glass thermometer 0625/12 May/June 2022

15 The diagram shows a liquid-in-glass thermometer. 0 10 20 30 40 50 60 70 80 90 100 Which physical property of the thermometer is used to measure temperature? A expansion of glass B expansion of liquid C mass of glass D mass of liquid

1 marks

Answer: B

This question in 0625/12 May/June 2022

Q228 · An engineer investigates the increase in temperature of the oil in a car engine when it… 0625/12 May/June 2022

16 An engineer investigates the increase in temperature of the oil in a car engine when it is first switched on. Which row is correct? change in explanation internal energy A increase The random kinetic energy of the particles increases. B increase The oil evaporates when it is heated. C decrease The potential energy of the particles increases. D decrease The oil changes state to a gas when it is heated.

1 marks

Answer: A

This question in 0625/12 May/June 2022

Q229 · A gas in a container is cooled but the volume of the gas does not change 0625/13 May/June 2022

14 A gas in a container is cooled but the volume of the gas does not change. Which row describes the changes in the pressure of the gas and the average kinetic energy of the gas particles? average pressure of gas kinetic energy of gas particles A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: A

This question in 0625/13 May/June 2022

Q230 · The iron cylinder of an engine is to be fitted into a piece of aluminium 0625/13 May/June 2022

15 The iron cylinder of an engine is to be fitted into a piece of aluminium. The outside diameter M of the iron cylinder is slightly larger than the diameter N of the hole in the aluminium. iron cylinder M aluminium N What is the best action to fit the cylinder into the aluminium? A Cool the aluminium and cool the iron. B Cool the aluminium and heat the iron. C Heat the aluminium and cool the iron. D Heat the aluminium and heat the iron.

1 marks

Answer: C

This question in 0625/13 May/June 2022

Q231 · A solid in a closed container is heated until it completely melts 0625/13 May/June 2022

16 A solid in a closed container is heated until it completely melts. Which diagram shows the shape and the volume of the solid before and after heating. A B before after before after C D before after before after

1 marks

Answer: D

This question in 0625/13 May/June 2022

Q232 · The diagram shows a thermometer calibrated in degrees Celsius 0625/12 Oct/Nov 2022

14 The diagram shows a thermometer calibrated in degrees Celsius. 110 100 90 80 70 60 50 40 30 20 10 0 -10 What are the values of the lower fixed point and of the upper fixed point on the Celsius scale? lower fixed upper fixed point/°C point/°C A -10 110 B 0 20 Cc 0 100 D 20 100

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2022

Q233 · What happens to a solid when its temperature increases? 0625/12 Oct/Nov 2022

15 What happens to a solid when its temperature increases? A It contracts. B Its density increases. C Its internal energy increases. D Its molecules move freely.

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2022

Q234 · A liquid is evaporating 0625/13 Oct/Nov 2022

13 A liquid is evaporating. What does it lose from its surface? A less energetic ions B less energetic molecules C more energetic ions D more energetic molecules

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2022

Q235 · The diagram shows a thermometer calibrated in degrees Celsius 0625/13 Oct/Nov 2022

14 The diagram shows a thermometer calibrated in degrees Celsius. 110 100 90 80 70 60 50 40 30 20 10 0 -10 What are the values of the lower fixed point and of the upper fixed point on the Celsius scale? lower fixed upper fixed point/°C point/°C A -10 110 B 0 20 Cc 0 100 D 20 100

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2022

Q236 · Which statements does the term ‘melting point’ refer to? 0625/13 Oct/Nov 2022

15 Which statements does the term ‘melting point’ refer to? 1 the temperature at which a liquid changes to solid without a change in temperature 2 the temperature at which a solid changes to liquid without a change in temperature 3 the temperature at which a liquid changes to vapour without a change in temperature 4 the temperature at which a vapour changes to liquid without a change in temperature A 1 and 2 B 2 only C 3 and 4 D 4 only

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2022

Q237 · Which statement describes what happens to air particles when the air is heated? 0625/12 Feb/March 2023

15 Which statement describes what happens to air particles when the air is heated? A The particles move more slowly. B The particles move more quickly. C The particles move closer together. D The particles vibrate faster.

1 marks

Answer: B

This question in 0625/12 Feb/March 2023

Q238 · What happens when the temperature of a liquid increases? 0625/12 Feb/March 2023

16 What happens when the temperature of a liquid increases? A The mass of the liquid increases, making the liquid less dense. B The mass of the liquid increases, making the liquid more dense. C The volume of the liquid increases, making the liquid less dense. D The volume of the liquid increases, making the liquid more dense.

1 marks

Answer: C

This question in 0625/12 Feb/March 2023

Q239 · Which statements about evaporation of water are correct? 0625/11 May/June 2023

15 Which statements about evaporation of water are correct? 1 Evaporation causes the remaining liquid to cool. 2 During evaporation, the more energetic particles escape from the surface of the liquid. 3 Evaporation only happens at 100 °C. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

1 marks

Answer: B

This question in 0625/11 May/June 2023

Q240 · Four students describe the phrase ‘absolute zero’ during a lesson on the particle model 0625/12 May/June 2023

14 Four students describe the phrase ‘absolute zero’ during a lesson on the particle model. Which student is correct? A This is the lowest possible temperature. B Particles in a solid start vibrating. C Particles do not have any weight. D Particles have the least gravitational potential energy.

1 marks

Answer: A

This question in 0625/12 May/June 2023

Q241 · What is the lowest possible temperature (absolute zero) and what happens to the energy of… 0625/13 May/June 2023

14 What is the lowest possible temperature (absolute zero) and what happens to the energy of particles at this temperature? lowest possible particle energy temperature / C A –273 particles have least kinetic energy B –273 particles have zero gravitational potential energy C 0 particles have least kinetic energy D 0 particles have zero gravitational potential energy

1 marks

Answer: A

This question in 0625/13 May/June 2023

Q242 · The melting point of mercury is –39 C 0625/11 Oct/Nov 2023

13 The melting point of mercury is –39 C. What is the melting point of mercury in kelvin? A –234 K B 61 K C 234 K D 312 K

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2023

Q243 · A bimetallic strip is used to control the temperature of an electrical appliance 0625/11 Oct/Nov 2023

14 A bimetallic strip is used to control the temperature of an electrical appliance. It is made of two different metals fixed together. The diagram shows the shape of the bimetallic strip before and after heating. metal P metal Q before heating after heating Which statement is correct? A Metal P contracts more than metal Q on heating. B Metal Q contracts more than metal P on heating. C Metal P expands more than metal Q on heating. D Metal Q expands more than metal P on heating.

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2023

Q244 · A student has two blocks of metal, X and Y 0625/11 Oct/Nov 2023

15 A student has two blocks of metal, X and Y. The temperature of X is 50°C and the temperature of Y is O°C. The two blocks are placed in contact with each other, as shown. After some time, both blocks have a temperature of 25 °C. What has happened to the internal energy of each block? internal energy internal energy of X of Y A decreased decreased B decreased increased Cc increased decreased D unchanged unchanged

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2023

Q245 · A wooden wheel can be strengthened by putting a tight circle of iron around it 0625/12 Oct/Nov 2023

14 A wooden wheel can be strengthened by putting a tight circle of iron around it. wooden wheel iron circle Which action would make it easier to fit the circle over the wood? A cooling the iron circle only B heating the iron circle C heating the wooden wheel and cooling the iron circle D heating the wooden wheel but not heating or cooling the iron circle

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2023

Q246 · Which diagram shows the processes happening during changes of state? 0625/12 Oct/Nov 2023

15 Which diagram shows the processes happening during changes of state? A B boiling solidification condensation melting gas liquid solid gas liquid solid C D melting boiling solidification boiling solid liquid gas solid liquid gas

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2023

Q247 · A sealed bottle of constant volume contains air 0625/13 Oct/Nov 2023

12 A sealed bottle of constant volume contains air. The air in the bottle is heated by the Sun. What is the effect on the average speed of the air particles in the bottle and the average distance between them? average distance average speed between air of air particles particles A decreases decreases B decreases stays the same C increases increases D increases stays the same

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2023

Q248 · What happens when a metal block is heated? 0625/13 Oct/Nov 2023

14 What happens when a metal block is heated? A Its width, height and length all increase. B Its width increases only. C Its height increases only. D Its length increases only.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2023

Q249 · Which statement about the temperature of the solid describes what happens when a solid is… 0625/13 Oct/Nov 2023

15 Which statement about the temperature of the solid describes what happens when a solid is melting? A The temperature increases and there is an input of energy. B The temperature increases and there is no input of energy. C The temperature remains constant and there is an input of energy. D The temperature remains constant and there is no input of energy.

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2023

Q250 · What is the boiling temperature of water at standard atmospheric pressure? 0625/12 Feb/March 2024

10 What is the boiling temperature of water at standard atmospheric pressure? A –173 K B 100 K C 273 K D 373 K

1 marks

Answer: D

This question in 0625/12 Feb/March 2024

Q251 · Which row describes how the volume and mass of liquid mercury change as it is heated? 0625/12 Feb/March 2024

11 Which row describes how the volume and mass of liquid mercury change as it is heated? volume mass A decreases decreases B decreases stays the same C increases increases D increases stays the same

1 marks

Answer: D

This question in 0625/12 Feb/March 2024

Q252 · In which situation does the store of internal energy of the water increase? 0625/12 Feb/March 2024

12 In which situation does the store of internal energy of the water increase? A water at 0 C freezing to form ice B water being heated from 25 C to 40 C C steam condensing on a window D water in a puddle on a breezy day

1 marks

Answer: B

This question in 0625/12 Feb/March 2024

Q253 · How is a temperature in degrees Celsius (C) converted to a temperature in kelvin (K)? 0625/11 May/June 2024

11 How is a temperature in degrees Celsius (C) converted to a temperature in kelvin (K)? A Add 273 to the temperature in C. B Divide the temperature in C by 273. C Multiply the temperature in C by 273. D Subtract 273 from the temperature in C.

1 marks

Answer: A

This question in 0625/11 May/June 2024

Q254 · The diagram shows a frictionless piston inside a cylinder 0625/11 May/June 2024

12 The diagram shows a frictionless piston inside a cylinder. The air inside the cylinder is heated. The piston moves in the direction shown. piston cylinder movement of piston heat Which statement about the air inside the cylinder is correct? A The temperature and volume increase at constant pressure. B The temperature and pressure increase at constant volume. C The temperature, volume and pressure all increase. D The volume and pressure increase at constant temperature.

1 marks

Answer: A

This question in 0625/11 May/June 2024

Q255 · What increases when the temperature of a copper block increases? 0625/11 May/June 2024

13 What increases when the temperature of a copper block increases? A the number of copper atoms in the block B the melting point of the block C the internal energy of the block D the density of the block

1 marks

Answer: C

This question in 0625/11 May/June 2024

Q256 · A textbook gives the description of a thermal process as ‘more-energetic molecules escape… 0625/11 May/June 2024

14 A textbook gives the description of a thermal process as ‘more-energetic molecules escape from the surface of a liquid which causes the liquid to cool’. Which process is being described? A boiling B Brownian motion C condensation D evaporation

1 marks

Answer: D

This question in 0625/11 May/June 2024

Q257 · What is the relationship between temperatures in kelvin (T ) and temperatures in degrees… 0625/13 May/June 2024

11 What is the relationship between temperatures in kelvin (T ) and temperatures in degrees Celsius ( )? A  = T + 273 B  = T – 273 C  = T + 373 D  = T – 373

1 marks

Answer: B

This question in 0625/13 May/June 2024

Q258 · In a famous experiment, a scientist showed that, when water in an insulated tub is… 0625/13 May/June 2024

12 In a famous experiment, a scientist showed that, when water in an insulated tub is stirred, its temperature increases. What can be concluded from this experiment? A Temperature is a store of energy. B The water absorbs heat from the surroundings. C Work done by stirring increases the internal energy of the water. D Energy is not conserved.

1 marks

Answer: C

This question in 0625/13 May/June 2024

Q259 · Solids expand when heated and contract when cooled 0625/13 May/June 2024

13 Solids expand when heated and contract when cooled. In which example is there a useful application of expansion and not an unwanted effect? A bridges B railway lines C telephone cables D thermostats

1 marks

Answer: D

This question in 0625/13 May/June 2024

Q260 · The diagram shows a steel sphere falling through a cylinder of oil 0625/11 Oct/Nov 2024

8 The diagram shows a steel sphere falling through a cylinder of oil. steel sphere oil Which row indicates what happens to the steel sphere and what happens to the oil as the steel sphere falls? the steel sphere the oil becomes becomes warmer warmer A yes yes B yes no C no yes D no no

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2024

Q261 · A metal object is heated strongly in an oven 0625/11 Oct/Nov 2024

14 A metal object is heated strongly in an oven. What happens to the volume of the object and the internal energy stored in the object? volume internal energy A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2024

Q262 · Which row describes the process of melting? 0625/11 Oct/Nov 2024

15 Which row describes the process of melting? change in initial state final state temperature A liquid gas yes B liquid solid no C solid gas yes D solid liquid no

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2024

Q263 · Which name is given to the change of state when steam at 100 C changes to water at 100… 0625/12 Oct/Nov 2024

12 Which name is given to the change of state when steam at 100 C changes to water at 100 C? A boiling B condensation C evaporation D melting

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2024

Q264 · The diagram shows electricity cables being put up on a warm day 0625/12 Oct/Nov 2024

14 The diagram shows electricity cables being put up on a warm day. The cables are suspended between the supporting pylons, as shown. electricity cables supporting pylons Why are the cables not tightened to make them higher above the ground? A They will contract on cold days. B They will contract on very warm days. C They will expand on cold days. D They will expand on very warm days.

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2024

Q265 · Which diagram shows the overall movement of particles and the temperature change when a… 0625/12 Oct/Nov 2024

15 Which diagram shows the overall movement of particles and the temperature change when a liquid evaporates? A B C D particles escape particles enter particles escape particles enter from the liquid the liquid from the liquid the liquid liquid liquid liquid liquid cools heats up heats up cools

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2024

Q266 · The air temperature rises from 10 C to 40 C 0625/13 Oct/Nov 2024

13 The air temperature rises from 10 C to 40 C. What is the change in temperature, expressed in kelvin? A 30 K B 50 K C 243 K D 303 K

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2024

Q267 · Which effect is not due to thermal expansion? 0625/13 Oct/Nov 2024

14 Which effect is not due to thermal expansion? A convection currents in air B expansion of a bubble rising through a fizzy drink C expansion of a liquid in a thermometer D lengthening of overhead power lines in the summer

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2024

Q268 · On a hot summer day, the level of the water in a pond falls 0625/13 Oct/Nov 2024

15 On a hot summer day, the level of the water in a pond falls. Which statement explains this? A The least energetic water particles escape from the surface and do not return. B The least energetic water particles escape from the surface and then return. C The most energetic water particles escape from the surface and do not return. D The most energetic water particles escape from the surface and then return.

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2024

Q269 · Which statement describes what happens during solidification? 0625/12 Feb/March 2025

16 Which statement describes what happens during solidification? A Particles begin to move around each other easily. B Particles stop moving around each other. C The temperature of the particles continues to decrease during solidification. D The temperature of the particles continues to increase during solidification.

1 marks

Answer: B

This question in 0625/12 Feb/March 2025

Q270 · Solids expand the … 1 … and the average separation between molecules is the … 2 … 0625/12 Feb/March 2025

17 Solids expand the … 1 … and the average separation between molecules is the … 2 … . Which words complete the sentence about the expansion of solids when they are heated, relative to liquids and gases? 1 2 A least greatest B least smallest C most greatest D most smallest

1 marks

Answer: B

This question in 0625/12 Feb/March 2025

Q271 · A girl blows some air into a party balloon and ties a knot to seal the air in the balloon 0625/12 Feb/March 2025

18 A girl blows some air into a party balloon and ties a knot to seal the air in the balloon. The girl holds the sealed balloon above a hot convector heater. She observes that the volume of the balloon increases significantly. Which statement identifies the cause of this increase in volume? A The air in the balloon contracts. B The air in the balloon expands. C The material of the balloon contracts. D The material of the balloon expands.

1 marks

Answer: B

This question in 0625/12 Feb/March 2025

Q272 · The graph shows what happens to the density of a substance as its temperature changes… 0625/12 Feb/March 2025

19 The graph shows what happens to the density of a substance as its temperature changes over time. density 0 0 t1 t2 time Which term describes the change of state taking place at time t2? A melting B freezing C condensation D boiling

1 marks

Answer: D

This question in 0625/12 Feb/March 2025

Q273 · Two different pure substances, X and Y, are heated 0625/11 May/June 2025

11 Two different pure substances, X and Y, are heated. Both substance X and substance Y are initially in the solid state. The graph shows how the temperature of each substance changes with time. substance X temperature substance Y 0 0 time What does the graph tell us about the substances? A Substance X has a lower boiling point than substance Y. B Substance X has a lower melting point than substance Y. C Substance Y has a lower boiling point than substance X. D Substance Y has a lower melting point than substance X.

1 marks

Answer: D

This question in 0625/11 May/June 2025

Q274 · A scientist heats a solid substance until it turns into a liquid, and then into a gas 0625/12 May/June 2025

10 A scientist heats a solid substance until it turns into a liquid, and then into a gas. Which row describes the two changes of state of the substance as it is heated? change of state 1 change of state 2 A freezing condensing B freezing boiling C melting condensing D melting boiling

1 marks

Answer: D

This question in 0625/12 May/June 2025

Q275 · Which quantity does not change when there is an increase in temperature? 0625/12 May/June 2025

13 Which quantity does not change when there is an increase in temperature? A the density of a steel block B the diameter of the hole in a metal nut C the length of an iron rod D the mass of a metal coin

1 marks

Answer: D

This question in 0625/12 May/June 2025

Q276 · A resistor and a thermistor are connected in a series circuit, as shown 0625/12 May/June 2025

29 A resistor and a thermistor are connected in a series circuit, as shown. A V What happens to the readings on the ammeter and the voltmeter when the thermistor is heated? ammeter reading voltmeter reading A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0625/12 May/June 2025

Q277 · A scientist heats a solid substance until it turns into a liquid, and then into a gas 0625/13 May/June 2025

10 A scientist heats a solid substance until it turns into a liquid, and then into a gas. Which row describes the two changes of state of the substance as it is heated? change of state 1 change of state 2 A freezing condensing B freezing boiling C melting condensing D melting boiling

1 marks

Answer: D

This question in 0625/13 May/June 2025

Q278 · Which quantity does not change when there is an increase in temperature? 0625/13 May/June 2025

13 Which quantity does not change when there is an increase in temperature? A the density of a steel block B the diameter of the hole in a metal nut C the length of an iron rod D the mass of a metal coin

1 marks

Answer: D

This question in 0625/13 May/June 2025

Q279 · A kettle of boiling water converts water to steam at 100 °C 0625/12 Oct/Nov 2025

11 A kettle of boiling water converts water to steam at 100 °C. How does the mass and volume of the steam produced compare with the mass and volume of the water that is lost through boiling? mass of steam volume of steam A same as water same as water B same as water greater than water C less than water same as water D less than water greater than water

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2025

Q280 · The chart shows the boiling points for four different liquids at standard atmospheric… 0625/12 Oct/Nov 2025

14 The chart shows the boiling points for four different liquids at standard atmospheric pressure. Which liquid is water? 160 boiling point / °C 120 80 40 0 A B C D

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2025

Q281 · When a hot gas cools, its internal energy decreases 0625/13 Oct/Nov 2025

11 When a hot gas cools, its internal energy decreases. What causes this? A a decrease in the average kinetic energy of the gas particles B a decrease in the gravitational potential energy of the gas particles C an increase in the average speed of the gas particles D an increase in the average distance of separation of the gas particles

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2025

Q282 · The temperature of an object is 37 °C 0625/13 Oct/Nov 2025

12 The temperature of an object is 37 °C. What is the temperature of the object in kelvin? A –236 K B 7.4 K C 236 K D 310 K

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2025

Q283 · The diagram shows part of a railway track 0625/13 Oct/Nov 2025

13 The diagram shows part of a railway track. Each section of the railway track is separated by a gap. sections of railway track gap Why are these gaps necessary? A The tracks contract on cold days. B The tracks contract on warm days. C The tracks expand on cold days. D The tracks expand on warm days.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2025