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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 546 · 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.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a plug pin (c) a car seat belt (d) a boat hull
  2. 2.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  3. 3.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) rubber (d) copper
  4. 4.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.Which of these needs a heat insulator? (a) a spectacle lens (b) an oven glove (c) a water tank (d) a car seat belt
  6. 6.🧱 Which property matters most for a hair band? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  7. 7.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  9. 9.🧱 Which property matters most for a car seat belt? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  10. 10.Which of these needs a heat insulator? (a) an umbrella cover (b) a plug pin (c) a hair band (d) a cooking pot handle
  11. 11.🧱 Which property matters most for a roof sheet? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  12. 12.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  13. 13.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🔍 Which is the odd one out? (a) brass (b) copper (c) cotton cloth (d) steel
  15. 15.🔍 Which is the odd one out? (a) graphite (b) brass (c) rubber (d) aluminium
  16. 16.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  17. 17.Which of these needs a transparent material? (a) a switch contact (b) a water tank (c) a car seat belt (d) a car windscreen
  18. 18.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  20. 20.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) copper (d) iron
  21. 21.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) glass (d) iron
  23. 23.🧱 Which property matters most for the core of a wire? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  24. 24.Which of these needs a waterproof material? (a) a spectacle lens (b) a cooking pot handle (c) a window pane (d) a raincoat
  25. 25.True or false: a roof sheet needs a flexible material. (a) True (b) False
  26. 26.True or false: a switch contact needs a transparent material. (a) True (b) False
  27. 27.True or false: a skipping rope needs a flexible material. (a) True (b) False
  28. 28.🧱 Which property matters most for an oven glove? (a) flexible (b) electrical conductor (c) transparent (d) heat insulator
  29. 29.🧱 Which material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  30. 30.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  31. 31.Which of these needs a waterproof material? (a) a hair band (b) a spectacle lens (c) a roof sheet (d) a skipping rope
  32. 32.True or false: an oven glove needs a heat insulator. (a) False (b) True
  33. 33.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  34. 34.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) brass (d) graphite
  35. 35.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  36. 36.True or false: a window pane needs a transparent material. (a) False (b) True
  37. 37.Which of these needs an electrical conductor? (a) a car windscreen (b) a hair band (c) an umbrella cover (d) the core of a wire
  38. 38.True or false: a boat hull needs a waterproof material. (a) False (b) True
  39. 39.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) cardboard (d) paper
  40. 40.True or false: a spectacle lens needs a waterproof material. (a) True (b) False

Answer key

  1. a plug pin
  2. waterproof
  3. copper
  4. a conductor
  5. an oven glove
  6. flexible
  7. a conductor
  8. True
  9. flexible
  10. a cooking pot handle
  11. waterproof
  12. transparent
  13. an insulator
  14. cotton cloth
  15. rubber
  16. heat insulator
  17. a car windscreen
  18. a conductor
  19. True
  20. wood or plastic
  21. a conductor
  22. iron
  23. electrical conductor
  24. a raincoat
  25. False
  26. False
  27. True
  28. heat insulator
  29. glass
  30. steel
  31. a roof sheet
  32. True
  33. waterproof
  34. clay pottery
  35. False
  36. True
  37. the core of a wire
  38. True
  39. plastic-coated cloth
  40. False

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