Cambridge IGCSE Design and Technology 0445 — 2020 Oct/Nov Paper 1 · Variant 3

Cambridge IGCSE™ This document has 4 pages. Blank pages are indicated. DC (LK/SG) 184946/1 © UCLES 2020 [Turn over DESIGN & TECHNOLOGY 0445/13 Paper 1 Product Design October/November 2020 1 hour 15 minutes You must answer on the two pre-printed A3 answer sheets. You will need: Two A3 pre-printed answer sheets (enclosed) Standard drawing equipment Coloured pencils INSTRUCTIONS ● Answer one question. ● Use an HB pencil for any drawings and a black or dark blue pen for any writing. ● Write your name, centre number and candidate number in the space on both pre-printed answer sheets. ● Answer in the space provided on the answer sheets. ● Do not use an erasable pen, staples, paper clips, glue or correction fluid. ● Do not write on any bar codes. ● You may use a calculator. ● You may use standard drawing equipment, including coloured pencils. ● At the end of the examination, hand in your named A3 answer sheets. Do not fasten them together and do not punch holes in the sheets or tie with string. INFORMATION ● The total mark for this paper is 50. ● The number of marks for each question or part question is shown in brackets [ ]. ● All dimensions are in millimetres. * 5 5 2 6 8 1 1 8 6 3 *

2 0445/13/O/N/20 © UCLES 2020 Answer one question only on the A3 pre-printed answer sheets provided. 1 Problem: Screws of different lengths and diameters, used in the school workshop, are bought in different size boxes. 5.0 × 50 mm quantity 200 100 80 50 4.0 × 25 mm quantity 200 60 40 25 4.5 × 40 mm quantity 200 80 60 35 4 boxes 6 boxes 8 boxes Design a unit that would hold the size and quantity of screw boxes shown so that they can be easily accessed. The unit could be positioned anywhere in the school workshop. (a) List four additional points about the function of such a unit that you consider to be important. [4] (b) Use sketches and notes to show two methods of fixing such a unit to a wall. [4] (c) Develop and sketch three separate ideas for the unit. [12] (d) Evaluate your three ideas. Choose one idea to develop further and justify your choice. [8] (e) Draw, using a method of your own choice, a full solution to the design problem. Include construction details and important dimensions. [12] (f) Suggest two suitable specific materials for the solution you have drawn in part (e) and give reasons for your choice. [4] (g) Outline a method that could be used to manufacture one part of your solution drawn in part (e). Include the names of the tools used. [6]

3 0445/13/O/N/20 © UCLES 2020 [Turn over 2 Problem: Screws can be bought with different types of head depending on the situation in which they are to be used. Each type of screw requires a matching screwdriver. 150 mm 40 mm Design packaging that would hold fifty of the screws and the screwdriver shown. It must be possible to see one of the screws and the screwdriver from the outside of the packaging. (a) List four additional points about the function of such packaging that you consider to be important. [4] (b) Use sketches and notes to show two methods of making the contents visible from the outside of the packaging. [4] (c) Develop and sketch three separate ideas for the packaging. [12] (d) Evaluate your three ideas. Choose one idea to develop further and justify your choice. [8] (e) Draw, using a method of your own choice, a full solution to the design problem. Include construction details and important dimensions. [12] (f) Suggest two suitable specific materials for the solution you have drawn in part (e) and give reasons for your choice. [4] (g) Outline a method that could be used to manufacture one part of your solution drawn in part (e). Include the names of the tools used. [6]

4 0445/13/O/N/20 © UCLES 2020 Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge Assessment International Education Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cambridgeinternational.org after the live examination series. Cambridge Assessment International Education is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of the University of Cambridge Local Examinations Syndicate (UCLES), which itself is a department of the University of Cambridge. 3 Problem: Screws of different sizes often get mixed up and are difficult to sort out. Design a device that would sort a large number of mixed screws of head diameters 10 mm, 8 mm and 6 mm. (a) List four additional points about the function of such a device that you consider to be important. [4] (b) Use sketches and notes to show two methods that could be used to create a vibrating action. [4] (c) Develop and sketch three separate ideas for the device. [12] (d) Evaluate your three ideas. Choose one idea to develop further and justify your choice. [8] (e) Draw, using a method of your own choice, a full solution to the design problem. Include construction details and important dimensions. [12] (f) Suggest two suitable specific materials for the solution you have drawn in part (e) and give reasons for your choice. [4] (g) Outline a method that could be used to manufacture one part of your solution drawn in part (e). Include the names of the tools used. [6]

This document consists of 10 printed pages. © UCLES 2020 [Turn over Cambridge IGCSE™ DESIGN AND TECHNOLOGY 0445/13 Paper 1 Product Design October/November 2020 MARK SCHEME Maximum Mark: 50 Published This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began, which would have considered the acceptability of alternative answers. Mark schemes should be read in conjunction with the question paper and the Principal Examiner Report for Teachers. Cambridge International will not enter into discussions about these mark schemes. Cambridge International is publishing the mark schemes for the October/November 2020 series for most Cambridge IGCSE™, Cambridge International A and AS Level and Cambridge Pre-U components, and some Cambridge O Level components.

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 2 of 10 Generic Marking Principles These general marking principles must be applied by all examiners when marking candidate answers. They should be applied alongside the specific content of the mark scheme or generic level descriptors for a question. Each question paper and mark scheme will also comply with these marking principles. GENERIC MARKING PRINCIPLE 1: Marks must be awarded in line with: • the specific content of the mark scheme or the generic level descriptors for the question • the specific skills defined in the mark scheme or in the generic level descriptors for the question • the standard of response required by a candidate as exemplified by the standardisation scripts. GENERIC MARKING PRINCIPLE 2: Marks awarded are always whole marks (not half marks, or other fractions). GENERIC MARKING PRINCIPLE 3: Marks must be awarded positively: • marks are awarded for correct/valid answers, as defined in the mark scheme. However, credit is given for valid answers which go beyond the scope of the syllabus and mark scheme, referring to your Team Leader as appropriate • marks are awarded when candidates clearly demonstrate what they know and can do • marks are not deducted for errors • marks are not deducted for omissions • answers should only be judged on the quality of spelling, punctuation and grammar when these features are specifically assessed by the question as indicated by the mark scheme. The meaning, however, should be unambiguous. GENERIC MARKING PRINCIPLE 4: Rules must be applied consistently, e.g. in situations where candidates have not followed instructions or in the application of generic level descriptors.

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 3 of 10 GENERIC MARKING PRINCIPLE 5: Marks should be awarded using the full range of marks defined in the mark scheme for the question (however; the use of the full mark range may be limited according to the quality of the candidate responses seen). GENERIC MARKING PRINCIPLE 6: Marks awarded are based solely on the requirements as defined in the mark scheme. Marks should not be awarded with grade thresholds or grade descriptors in mind. Performance description tables Each question contains some marks which are awarded using the following performance description tables. Communication of ideas Mark Performance description 5–6 Ideas are communicated with precision and clarity through the use of accurate drawings and reasoned annotations linked to most of the requirements. 3–4 Ideas are displayed with some clarity through clear drawings supported by annotations referring to some of the requirements. 1–2 Simple drawings and limited annotations show little understanding of the requirements. 0 No creditable response. Suitable designs Mark Performance description 5–6 Designs showing most aspects of construction detail. Creative solutions which fully meet the requirements. 3–4 Designs with moderate construction detail. Sensible solutions that mostly meet the requirements. 1–2 Simplistic designs with little construction detail. Solutions do not meet many of the requirements.

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 4 of 10 0 No creditable response Quality of drawing Mark Performance description 4 High standard of line quality, use of colour and proportions. Appropriate techniques used that show clearly all detail. 2–3 Good line quality, use of colour and proportions. Most of the detail presented. 1 Poor line quality and proportions. Little detail presented. 0 No creditable response. Construction details Mark Performance Description 5–6 All construction detail clear with good annotations and/or additional detail drawings as necessary. 3–4 Most construction may be obvious from overall views or with some annotation. 1–2 A simplistic design; little or no detail of construction used. 0 No creditable response.

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 5 of 10 Guidance on using the performance description tables Marking should be positive, rewarding achievement where possible but clearly differentiating across the whole range of marks available. In approaching the assessment process, examiners should look at the work and then make a ‘best fit’ judgement as to which level statement it fits. In practice the work does not always match one level statement precisely so a judgement may need to be made between two or more level statements. Once a ‘best fit’ level statement has been identified the following guide should be used to decide on a specific mark: • Where the candidate’s work convincingly meets the level statement, the highest mark should be awarded • Where the candidate’s work adequately meets the level statement, the most appropriate mark in the middle of the range should be awarded • Where the candidate’s work just meets the level statement, the lowest mark should be awarded.

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 6 of 10 Candidates answer one question, either 1 or 2 or 3. Question Answer Marks Guidance 1(a) Accept any four additional specification points – easy to see screw sizes/easy to remove and replace/compact unit/position stated/at appropriate height. [1 × 4] 4 Each specification point – 1 mark No repeats from question Any other valid response 1(b) Accept drawings of any two fixing methods – mirror plates/dovetail hanger/screws through back/hooks and eyes. [2 × 2] 4 Maximum of 2 marks for each drawing: Appropriate method – 1 mark Clear drawing – 1 mark Any other valid response 1(c) Any three suitable ideas. Award up to 6 marks for communication of ideas using the ‘Communication of ideas’ table. Award up to 6 marks for suitable designs using the ‘Suitable designs’ table. 12 At least three different ideas for maximum marks. Pro rata if fewer. 1(d) Award up to 6 marks for evaluation of the ideas: Evaluation [2 × 3] e.g. Advantage + disadvantage explained for each idea Selection [1] Justification [1] 8 Simple repeats of same points for each idea not rewarded. Specific not generic justification. Award maximum marks if only either advantage or disadvantage given for each as long as includes sophisticated reasoning.

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 7 of 10 Question Answer Marks Guidance 1(e) Award up to 4 marks for quality of drawing using the ‘Quality of drawing’ table. Award up to 2 marks for dimensions: 2 or 3 overall dimensions only – 1 mark Additional detail dimensions – 1 mark Award up to 6 marks for construction detail using the ‘Construction details’ table. 12 Additional detail dimensions might show thickness of materials, diameters, etc. 1(f) Accept any two suitable specific materials. [1 × 2] Accept any appropriate reason for choice of each material [1 × 2] 4 Each suitable specific material – 1 mark Generic terms such as wood, metal, plastic not accepted. Appropriate reason for each material – 1 mark Materials must be appropriate for the design shown in (e) 1(g) Accept any suitable manufacturing process. [1 × 1] 1 Process must be appropriate for design in (e). Award up to 3 marks for description of process. 3 Detailed description for 3 marks Award up to 2 marks for names of tools used. 2 Not just basic tools such as pencil, rule, etc. Question Answer Marks Guidance 2(a) Accept any four additional specification points – attractive colour or shape/ has impact/ invites people to read/ includes photos of some products/stable/where positioned. [1 × 4] 4 Each specification point – 1 mark No repeats from question Any other valid response 2(b) Accept drawings of any two methods of making the contents visible – any form of ‘window’ in packaging such as clear plastic/mesh/open shape/vacuum formed clear bubble. [2 × 2] 4 Maximum of 2 marks for each drawing: ‘Window’ form – 1 mark Clear drawing – 1 mark Any other valid response

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 8 of 10 Question Answer Marks Guidance 2(c) Any three suitable ideas. Award up to 6 marks for communication of ideas using the ‘Communication of ideas’ table. Award up to 6 marks for suitable designs using the ‘Suitable designs’ table. 12 At least three different ideas for maximum marks. Pro rata if fewer. 2(d) Award up to 6 marks for evaluation of the ideas: Evaluation [2 × 3] e.g. Advantage + disadvantage explained for each idea Selection [1] Justification [1] 8 Simple repeats of same points for each idea not rewarded. Specific not generic justification. Award maximum marks if only either advantage or disadvantage given for each as long as includes sophisticated reasoning. 2(e) Award up to 4 marks for quality of drawing using the ‘Quality of drawing’ table. Award up to 2 marks for dimensions: 2 or 3 overall dimensions only – 1 mark Additional detail dimensions – 1 mark Award up to 6 marks for construction detail using the ‘Construction details’ table. 12 Additional detail dimensions might show thickness of materials, diameters, etc. 2(f) Accept any two suitable specific materials. [1 × 2] Accept any appropriate reason for choice of each material [1 × 2] 4 Each suitable specific material – 1 mark Generic terms such as wood, metal, plastic not accepted. Appropriate reason for each material – 1 mark Materials must be appropriate for the design shown in (e)

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 9 of 10 Question Answer Marks Guidance 2(g) Accept any suitable manufacturing process. [1x1] 1 Process must be appropriate for design in (e). Award up to 3 marks for description of process. 3 Detailed description for 3 marks Award up to 2 marks for names of tools used. 2 Not just basic tools such as pencil, rule, etc. Question Answer Marks Guidance 3(a) Accept any four additional specification points – simple to operate/ easy to store/takes wide range of lengths/hand operated/electric motor/easy to feed in and remove screws. [1 × 4] 4 Each specification point – 1 mark No repeats from question Any other valid response 3(b) Accept drawings of any two vibrating mechanisms – cam and follower/crank and slider/screw and follower, electro magnet. [2 × 2] 4 Maximum of 2 marks for each drawing: Mechanism – 1 mark Clear drawing – 1 mark Any other valid response 3(c) Any three suitable ideas. Award up to 6 marks for communication of ideas using the ‘Communication of ideas’ table. Award up to 6 marks for suitable designs using the ‘Suitable designs’ table. 12 At least three different ideas for maximum marks. Pro rata if fewer. 3(d) Award up to 6 marks for evaluation of the ideas: Evaluation [2 × 3] e.g. Advantage + disadvantage explained for each idea Selection [1] Justification [1] 8 Simple repeats of same points for each idea not rewarded. Specific not generic justification. Award maximum marks if only either advantage or disadvantage given for each as long as includes sophisticated reasoning.

0445/13 Cambridge IGCSE – Mark Scheme PUBLISHED October/November 2020 © UCLES 2020 Page 10 of 10 Question Answer Marks Guidance 3(e) Award up to 4 marks for quality of drawing using the ‘Quality of drawing’ table. Award up to 2 marks for dimensions: 2 or 3 overall dimensions only – 1 mark Additional detail dimensions – 1 mark Award up to 6 marks for construction detail using the ‘Construction details’ table. 12 Additional detail dimensions might show thickness of materials, diameters, etc. 3(f) Accept any two suitable specific materials. [1 × 2] Accept any appropriate reason for choice of each material [1 × 2] 4 Each suitable specific material – 1 mark Generic terms such as wood, metal, plastic not accepted. Appropriate reason for each material – 1 mark Materials must be appropriate for the design shown in (e) 3(g) Accept any suitable manufacturing process. [1 × 1] 1 Process must be appropriate for design in (e). Award up to 3 marks for description of process. 3 Detailed description for 3 marks Award up to 2 marks for names of tools used. 2 Not just basic tools such as pencil, rule, etc.