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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 442 · 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 a waterproof material? (a) an umbrella cover (b) a car windscreen (c) a skipping rope (d) the core of a wire
  2. 2.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
  3. 3.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🧱 Which property matters most for a plug pin? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  5. 5.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  7. 7.Which of these needs a heat insulator? (a) a cooking pot handle (b) an umbrella cover (c) a plug pin (d) a car windscreen
  8. 8.🧱 Which material is best for a window pane? (a) steel (b) brick (c) wood (d) glass
  9. 9.True or false: an umbrella cover needs a heat insulator. (a) True (b) False
  10. 10.Which of these needs an electrical conductor? (a) a car seat belt (b) a hair band (c) a plug pin (d) an umbrella cover
  11. 11.True or false: a boat hull needs a flexible material. (a) False (b) True
  12. 12.Which of these needs a flexible material? (a) a magnifier lens (b) a cooking pot handle (c) a water tank (d) a car seat belt
  13. 13.🧱 Which property matters most for a switch contact? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  14. 14.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) wood (d) copper
  15. 15.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  16. 16.True or false: a car seat belt needs a heat insulator. (a) False (b) True
  17. 17.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  18. 18.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  19. 19.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  21. 21.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  23. 23.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) aluminium (d) iron
  24. 24.🧱 Which property matters most for an oven glove? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  25. 25.🔍 Which is the odd one out? (a) steel (b) copper (c) brass (d) plastic
  26. 26.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  27. 27.True or false: a plug pin needs a waterproof material. (a) False (b) True
  28. 28.Which of these needs a waterproof material? (a) a switch contact (b) a water tank (c) a hair band (d) a spectacle lens
  29. 29.🧱 Which property matters most for a raincoat? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  30. 30.🧱 Which property matters most for a window pane? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  31. 31.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.Which of these needs a heat insulator? (a) a hair band (b) a boat hull (c) a spectacle lens (d) an oven glove
  34. 34.True or false: a raincoat needs an electrical conductor. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) copper (d) glass
  36. 36.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  37. 37.Which of these needs a transparent material? (a) a tea flask lining (b) a window pane (c) a raincoat (d) a skipping rope
  38. 38.True or false: a window pane needs a heat insulator. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) aluminium (d) plastic
  40. 40.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. an umbrella cover
  2. flexible
  3. a conductor
  4. electrical conductor
  5. an insulator
  6. transparent
  7. a cooking pot handle
  8. glass
  9. False
  10. a plug pin
  11. False
  12. a car seat belt
  13. electrical conductor
  14. copper
  15. steel
  16. False
  17. False
  18. heat insulator
  19. a conductor
  20. electrical conductor
  21. an insulator
  22. plastic-coated cloth
  23. wood or plastic
  24. heat insulator
  25. plastic
  26. heat insulator
  27. False
  28. a water tank
  29. waterproof
  30. transparent
  31. a conductor
  32. an insulator
  33. an oven glove
  34. False
  35. copper
  36. True
  37. a window pane
  38. False
  39. aluminium
  40. a conductor

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