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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 635 · 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 is the odd one out? (a) graphite (b) iron (c) steel (d) dry wood
  2. 2.True or false: a boat hull needs a heat insulator. (a) False (b) True
  3. 3.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  5. 5.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) brass (d) clay pottery
  6. 6.🧱 Which property matters most for a boat hull? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  7. 7.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  8. 8.True or false: a water tank needs an electrical conductor. (a) False (b) True
  9. 9.True or false: a window pane needs an electrical conductor. (a) True (b) False
  10. 10.Which of these needs an electrical conductor? (a) a skipping rope (b) a window pane (c) a magnifier lens (d) the core of a wire
  11. 11.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) copper (d) steel
  13. 13.True or false: a switch contact needs a transparent material. (a) True (b) False
  14. 14.🧱 Which property matters most for a magnifier lens? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  15. 15.🧱 Which property matters most for the core of a wire? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  16. 16.Which of these needs a flexible material? (a) a spectacle lens (b) a water tank (c) a car windscreen (d) a yoga mat
  17. 17.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) iron (d) glass
  18. 18.True or false: a boat hull needs a flexible material. (a) True (b) False
  19. 19.True or false: a hair band needs a transparent material. (a) False (b) True
  20. 20.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  21. 21.🧱 Which property matters most for a car windscreen? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  22. 22.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  23. 23.True or false: a plug pin needs a waterproof material. (a) True (b) False
  24. 24.Which of these needs a heat insulator? (a) a switch contact (b) a magnifier lens (c) an oven glove (d) an umbrella cover
  25. 25.True or false: a plug pin needs a heat insulator. (a) True (b) False
  26. 26.Which of these needs a waterproof material? (a) the core of a wire (b) an oven glove (c) a yoga mat (d) a raincoat
  27. 27.🔍 Which is the odd one out? (a) graphite (b) copper (c) brass (d) plastic
  28. 28.🧱 Which property matters most for a window pane? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  29. 29.🧱 Which property matters most for a raincoat? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  30. 30.Which of these needs an electrical conductor? (a) a window pane (b) a hair band (c) a magnifier lens (d) a plug pin
  31. 31.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  32. 32.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  33. 33.🔍 Which is the odd one out? (a) glass (b) plastic (c) aluminium (d) cotton cloth
  34. 34.True or false: a hair band needs a waterproof material. (a) False (b) True
  35. 35.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) iron (b) copper (c) glass (d) graphite
  37. 37.Which of these needs a transparent material? (a) a cooking pot handle (b) a raincoat (c) a magnifier lens (d) a water tank
  38. 38.Which of these needs a flexible material? (a) a switch contact (b) a hair band (c) a car windscreen (d) a cooking pot handle
  39. 39.Which of these needs a transparent material? (a) a boat hull (b) a plug pin (c) a window pane (d) a car seat belt
  40. 40.True or false: an umbrella cover needs a transparent material. (a) False (b) True

Answer key

  1. dry wood
  2. False
  3. a conductor
  4. waterproof
  5. brass
  6. waterproof
  7. plastic-coated cloth
  8. False
  9. False
  10. the core of a wire
  11. a conductor
  12. clay pottery
  13. False
  14. transparent
  15. electrical conductor
  16. a yoga mat
  17. iron
  18. False
  19. False
  20. True
  21. transparent
  22. copper
  23. False
  24. an oven glove
  25. False
  26. a raincoat
  27. plastic
  28. transparent
  29. waterproof
  30. a plug pin
  31. flexible
  32. heat insulator
  33. aluminium
  34. False
  35. True
  36. glass
  37. a magnifier lens
  38. a hair band
  39. a window pane
  40. False

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