Thermal processes — Paper 1 · IGCSE Physical Science 0652

28 The diagram shows a cooling unit in a refrigerator. cooling unit Why is the cooling unit placed at the top? A Cold air falls and warm air is displaced upwards. B Cold air is a bad conductor so heat is not conducted into the refrigerator. C Cold air is a good conductor so heat is conducted out of the refrigerator. D Cold air stops at the top and so prevents convection.

1 marks

Answer: A

This question in 0652/11 Oct/Nov 2005

28 Which line in the table is correct about conduction and convection? conduction convection A can happen in a solid can happen in a solid B can happen in a solid only happens in fluids C only happens in fluids can happen in a solid D only happens in fluids only happens in fluids

1 marks

Answer: B

This question in 0652/11 Oct/Nov 2006

29 Which statement refers to convection? A It does not involve energy transfer. B It is the transfer of heat energy without the movement of particles. C It only occurs in liquids or gases. D It only occurs in solids.

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2007

30 A white plastic lid is placed on a plastic cup used for a hot drink. lid hot drink This would have no effect on the loss of heat by A conduction. B convection. C evaporation. D radiation.

1 marks

Answer: A

This question in 0652/11 Oct/Nov 2008

27 A beaker contains water at room temperature. X water Y How could a convection current be set up in the water? A cool the water at X B cool the water at Y C stir the water at X D stir the water at Y

1 marks

Answer: A

This question in 0652/11 Oct/Nov 2009

28 A fridge is fitted with a cooling unit and an oven is fitted with a heater. The cooling unit can be fitted either at the top or at the bottom of the fridge, and the heater can be fitted either at the top or at the bottom of the oven. Which row shows the best position to fit the cooling unit and the heater? cooling unit heater A bottom bottom B bottom top C top bottom D top top

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2010

27 The diagram shows a convection current in water in a beaker. water heat Which property of the water is changing and causing the convection current? A boiling point B density C mass D surface area

1 marks

Answer: B

This question in 0652/11 Oct/Nov 2011

25 The diagram shows a convection current in water in a beaker. water heat Which property of the water is changing and causing the convection current? A boiling point B density C mass D surface area

1 marks

Answer: B

This question in 0652/12 Oct/Nov 2011

30 A girl sits by a camp fire. She holds a piece of wood with one end in the fire. piece of wood Heat from the fire reaches her hand. How does heat from the fire reach her hand? A conduction, convection and radiation B conduction only C convection only D radiation only

1 marks

Answer: D

This question in 0652/11 Oct/Nov 2013

30 A girl sits by a camp fire. She holds a piece of wood with one end in the fire. piece of wood Heat from the fire reaches her hand. How does heat from the fire reach her hand? A conduction, convection and radiation B conduction only C convection only D radiation only

1 marks

Answer: D

This question in 0652/12 Oct/Nov 2013

28 An ice cube is held in a clamp. The air next to the ice cube becomes very cold. clamp ice cube What happens to the density of the air as the air becomes colder and in which direction does the cold air move? density change direction the of the air air moves A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2014

28 An ice cube is held in a clamp. The air next to the ice cube becomes very cold. clamp ice cube What happens to the density of the air as the air becomes colder and in which direction does the cold air move? density change direction the of the air air moves A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/12 Oct/Nov 2014

28 A vacuum flask has double glass walls. There is a vacuum between the glass walls. How is heat transferred through the vacuum? A by conduction only B by convection only C by radiation only D by conduction and radiation

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2015

28 A vacuum flask has double glass walls. There is a vacuum between the glass walls. How is heat transferred through the vacuum? A by conduction only B by convection only C by radiation only D by conduction and radiation

1 marks

Answer: C

This question in 0652/12 Oct/Nov 2015

28 An air-cooling unit is fitted halfway up the wall of a room. The unit changes the density of the air in the room near it which causes the air to move. room air-cooling unit In which way does the cooling unit change the density of the air, and in which direction does the air move? change to the direction of density of the air air movement A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2016

28 An air-cooling unit is fitted halfway up the wall of a room. The unit changes the density of the air in the room near it which causes the air to move. room air-cooling unit In which way does the cooling unit change the density of the air, and in which direction does the air move? change to the direction of density of the air air movement A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/12 Oct/Nov 2016

28 An engineer is designing a laboratory to be built on the Moon. There is no air on the Moon. Which diagram shows how energy is lost as heat from a laboratory on the Moon? A B convection currents but no radiation radiation but no convection currents ground laboratory laboratory conduction conduction C D convection currents and radiation convection currents but no radiation ground laboratory laboratory conduction conduction

1 marks

Answer: B

This question in 0652/11 Oct/Nov 2017

28 An engineer is designing a laboratory to be built on the Moon. There is no air on the Moon. Which diagram shows how energy is lost as heat from a laboratory on the Moon? A B convection currents but no radiation radiation but no convection currents ground laboratory laboratory conduction conduction C D convection currents and radiation convection currents but no radiation ground laboratory laboratory conduction conduction

1 marks

Answer: B

This question in 0652/12 Oct/Nov 2017

29 The diagram shows a heater in a box that contains air. A thermometer is fixed in the box. The thermometer bulb is in the position shown. thermometer box bulb air thermometer heater Which row shows how thermal energy from the heater reaches the thermometer bulb? conduction convection radiation 0 OD > ~ Kw & x < x SS 4

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2018

29 The diagram shows a heater in a box that contains air. A thermometer is fixed in the box. The thermometer bulb is in the position shown. thermometer box bulb air thermometer heater Which row shows how thermal energy from the heater reaches the thermometer bulb? conduction convection radiation 0 OD > ~ Kw & x < x SS 4

1 marks

Answer: C

This question in 0652/12 Oct/Nov 2018

28 An ice cube is held in a clamp. The air next to the ice cube becomes very cold. clamp ice cube What happens to the density of the air as the air becomes colder and in which direction does the cold air move? density change direction the of the air air moves A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2019

27 An ice cube is held in a clamp. The air next to the ice cube becomes very cold. clamp ice cube What happens to the density of the air as the air becomes colder and in which direction does the cold air move? density change direction the of the air air moves A decreases downwards B decreases upwards C increases downwards D increases upwards

1 marks

Answer: C

This question in 0652/12 Oct/Nov 2019

29 The diagram shows part of the hot water system in a house. Water is heated in the boiler and moves, without using a pump, up to the hot water storage tank. hot water storage tank pipe pipe boiler By which process does the heated water move up from the boiler to the hot water storage tank? A conduction B convection C emission D radiation

1 marks

Answer: B

This question in 0652/11 Oct/Nov 2020

26 How does heat energy from the Sun reach the Earth through the vacuum of space? A by both conduction and convection B by conduction only C by convection only D by radiation only

1 marks

Answer: D

This question in 0652/11 Oct/Nov 2021

27 The diagram shows a saucepan. handle base What are suitable thermal conduction properties for the materials used to make the base and the handle? base handle A bad conductor bad conductor B bad conductor good conductor C good conductor bad conductor D good conductor good conductor

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2022

27 How is heat transferred through a vacuum? A by conduction only B by convection only C by radiation only D by conduction and radiation

1 marks

Answer: C

This question in 0652/11 Oct/Nov 2023

27 How is heat transferred through a vacuum? A by conduction only B by convection only C by radiation only D by conduction and radiation

1 marks

Answer: C

This question in 0652/12 Oct/Nov 2023

28 How does energy from the Sun reach the Earth through the vacuum of space? A by both conduction and convection B by conduction only C by convection only D by radiation only

1 marks

Answer: D

This question in 0652/11 Oct/Nov 2024