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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 947 · 40 questions
TalentJR

Engineer's tip (Match the property to the job): Ask: what must it do — keep water out, bend, let light through, carry current or stay cool? Metals and graphite conduct electricity; rubber, plastic, dry wood, glass, pottery and cloth insulate. Pick the material whose main property fits the job.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  2. 2.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) aluminium (d) iron
  3. 3.True or false: a plug pin needs a waterproof material. (a) False (b) True
  4. 4.True or false: a window pane needs a transparent material. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) plastic (d) iron
  6. 6.🔍 Which is the odd one out? (a) plastic (b) graphite (c) iron (d) copper
  7. 7.🧱 Which property matters most for a roof sheet? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  8. 8.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🔍 Which is the odd one out? (a) plastic (b) rubber (c) dry wood (d) graphite
  11. 11.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) cotton wool (d) paper
  12. 12.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  13. 13.True or false: an oven glove needs a flexible material. (a) False (b) True
  14. 14.🧱 Which property matters most for a magnifier lens? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  15. 15.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  16. 16.Which of these needs a transparent material? (a) the core of a wire (b) a hair band (c) a roof sheet (d) a spectacle lens
  17. 17.True or false: a hair band needs a flexible material. (a) False (b) True
  18. 18.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  19. 19.🔍 Which is the odd one out? (a) rubber (b) plastic (c) clay pottery (d) brass
  20. 20.Which of these needs a flexible material? (a) a water tank (b) a hair band (c) a window pane (d) a cooking pot handle
  21. 21.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) rubber (d) aluminium
  22. 22.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.Which of these needs a transparent material? (a) a boat hull (b) a yoga mat (c) a window pane (d) an umbrella cover
  24. 24.🧱 Which property matters most for a spectacle lens? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  25. 25.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  26. 26.Which of these needs a waterproof material? (a) a car windscreen (b) a water tank (c) a car seat belt (d) a tea flask lining
  27. 27.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  28. 28.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.Which of these needs a heat insulator? (a) a plug pin (b) a boat hull (c) a water tank (d) an oven glove
  30. 30.True or false: a water tank needs a waterproof material. (a) False (b) True
  31. 31.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  32. 32.True or false: a yoga mat needs a transparent material. (a) True (b) False
  33. 33.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  34. 34.🔍 Which is the odd one out? (a) graphite (b) dry wood (c) steel (d) brass
  35. 35.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🔍 Which is the odd one out? (a) steel (b) copper (c) iron (d) clay pottery
  37. 37.Which of these needs a transparent material? (a) a hair band (b) a cooking pot handle (c) the core of a wire (d) a magnifier lens
  38. 38.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  39. 39.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  40. 40.Which of these needs a heat insulator? (a) an umbrella cover (b) a cooking pot handle (c) a boat hull (d) a car seat belt

Answer key

  1. False
  2. wood or plastic
  3. False
  4. True
  5. iron
  6. plastic
  7. waterproof
  8. a conductor
  9. a conductor
  10. graphite
  11. plastic-coated cloth
  12. steel
  13. False
  14. transparent
  15. flexible
  16. a spectacle lens
  17. True
  18. waterproof
  19. brass
  20. a hair band
  21. aluminium
  22. a conductor
  23. a window pane
  24. transparent
  25. heat insulator
  26. a water tank
  27. copper
  28. an insulator
  29. an oven glove
  30. True
  31. True
  32. False
  33. heat insulator
  34. dry wood
  35. a conductor
  36. clay pottery
  37. a magnifier lens
  38. False
  39. transparent
  40. a cooking pot handle

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