1. Materials used in Design & Technology KS 3

2. Which one of the following is NOT a category of natural wood? 1.Hardwood 2.Softwood 3.Pinewood 4.Manufactured wood 10

3. Hardwoods can be expensive because: 1.They are very rare 2.Being hard, they are difficult to cut up 3.They grow slowly 4.They are not used very much 10

4. Which of the following is NOT a Hardwood? 1.Ash 2.Beech 3.Pine 4.Oak 10

5. Which of the following is NOT a Softwood? 1.Pine 2.Cedar 3.Spruce 4.Beech 10

6. Which of the following is NOT a Manufactured wood? 1.Balsa 2.MDF 3.Plywood 4.Chipboard 10

7. ‘Durability’ is a characteristic of wood that indicates how well it can withstand wear and tear. 1.True 2.False 10

8. Which of the following is NOT to be used with timber? 1.Carpenter’s Square 2.Tenon Saw 3.Mallet 4.Scribe 10

9. Which of the following is NOT a surface finish that can be used with timber? 1.Paint 2.Enamel 3.Varnish 4.Wax 10

10. Which of the following is NOT a method for joining wood? 1.Rivets 2.Glue 3.Screws 4.Nails 10

11. Which of the following is a tool for marking out right angles on wood? 1.Scribe 2.Ruler 3.Square 4.Protractor 10

12. Ferrous and non-ferrous are the two main categories of metal. Ferrous metals: 1.Don’t contain iron 2.Are attracted by a magnet 3.Include tin 4.Do not corrode 10

13. The process of heating metal ore to burn off the impurities and run off the pure metal ore is known as smelting. 1.True 2.False 10

14. Which of the following is NOT a pure metal? i.e. An alloy. 1.Gold 2.Copper 3.Brass 4.Tin 10

15. Which of the following statements about alloys is correct? 1.Brass is an alloy of copper and zinc 2.An alloy is a rare metal 10

16. Which of the following is a TRUE statement? 1.Iron is expensive 2.Gold is an alloy 3.Aluminium is hard 4.Tin resists corrosion 10

17. ‘Ductility’ is a characteristic of metal that indicates how well it can be stretched or pulled. 1.True 2.False 10

18. Which of the following is NOT to be used with most metals? 1.Engineer’s square 2.Hack saw 3.Rasp 4.Scribe 10

19. Which of the following is NOT a surface finish that can be used with metal? 1.Paint 2.Enamel 3.Plastic coating 4.Staining 10

20. Which of the following is NOT a method for joining metal? 1.Rivets 2.Nuts and bolts 3.Welding 4.Nails 10

21. Which of the following is the strongest method for joining metal components 1.Rivets 2.Nuts and bolts 3.Welding 4.Nails 10

22. Thermosets and thermoplastics are the two main categories of plastics. Thermosets… 1.Soften when heated 2.Are extremely strong and durable 3.Are often used in schools 4.Can be reshaped 10

23. Plastic is found deep underground and needs cleaning before use. 1.True 2.False 10

24. Which of the following is NOT a thermoplastic? 1.Polystyrene 2.Polypropene 3.Acrylic 4.Formaldahyde 10

25. Which of the following properties relates to a plastics ability to withstand dents and scratching? 1.Hardness 2.Optical 3.Plasticity 4.Elasticity 10

26. Which of the following properties relates to a plastics ability to bend and return to the original shape? 1.Hardness 2.Optical 3.Plasticity 4.Elasticity 10

27. Which of the following is NOT to be used with plastics? 1.Coping saw 2.Hack saw 3.Smoothing file 4.Tenon saw 10

28. Injection moulding is a process used to mass produce plastic pieces? 1.True 2.False 10

29. Which of the following is a surface finish that can be used with plastic? 1.Water based paint 2.Spray paint 3.Plastic coating 4.Staining 10

30. Which of the following is NOT a method for joining plastics? 1.Rivets 2.Nuts and bolts 3.Adhesive 4.Screws 10

31. Which of the following is most suitable for a kettle? 1.Polyethene 2.Urea Formaldehyde 3.ABS 4.Acrylic 10

32. Thermochromic materials are described as materials that… 1.Absorb light and then glow 2.Change colour when heated 3.Change shape when heated 4.Can be reshaped many times 10

33. Smart Ceramics are described as materials that… 1.Absorb light then glow 2.Change colour when heated 3.Change shape when heated 4.Can be reshaped many times 10

34. Shape memory alloys are described as materials that… 1.Absorb light and then glow 2.Change colour when heated 3.Change shape when heated 4.Can be reshaped many times 10

35. Polymorph is a material that… 1.Absorb light and then glow 2.Change colour when heated 3.Change shape when heated 4.Can be reshaped many times 10

36. Smart materials change according to changes in their environment. 1.True 2.False 10