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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 680 · 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 property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  2. 2.🧱 Which property matters most for a boat hull? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  3. 3.🧱 Which material is best for a window pane? (a) steel (b) brick (c) glass (d) wood
  4. 4.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.Which of these needs an electrical conductor? (a) a raincoat (b) a tea flask lining (c) a cooking pot handle (d) a plug pin
  6. 6.🔍 Which is the odd one out? (a) steel (b) plastic (c) brass (d) aluminium
  7. 7.True or false: a boat hull needs a waterproof material. (a) False (b) True
  8. 8.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  10. 10.Which of these needs a transparent material? (a) a switch contact (b) a window pane (c) a water tank (d) a car seat belt
  11. 11.🧱 Which property matters most for a hair band? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  12. 12.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.Which of these needs an electrical conductor? (a) a water tank (b) the core of a wire (c) a raincoat (d) a window pane
  15. 15.🧱 Which property matters most for a plug pin? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  16. 16.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which property matters most for a window pane? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  18. 18.Which of these needs a flexible material? (a) a car seat belt (b) a raincoat (c) a magnifier lens (d) a window pane
  19. 19.Which of these needs a waterproof material? (a) a skipping rope (b) an oven glove (c) a roof sheet (d) a cooking pot handle
  20. 20.🧱 Which material is best for the core of an electric wire? (a) copper (b) wood (c) glass (d) rubber
  21. 21.True or false: a tea flask lining needs an electrical conductor. (a) False (b) True
  22. 22.Which of these needs a flexible material? (a) a skipping rope (b) a raincoat (c) a plug pin (d) a window pane
  23. 23.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) glass (d) copper
  24. 24.True or false: a yoga mat needs an electrical conductor. (a) False (b) True
  25. 25.Which of these needs a heat insulator? (a) a car windscreen (b) a yoga mat (c) a plug pin (d) an oven glove
  26. 26.True or false: a boat hull needs a heat insulator. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) copper (d) iron
  28. 28.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  29. 29.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  30. 30.True or false: an umbrella cover needs a flexible material. (a) False (b) True
  31. 31.Which of these needs a heat insulator? (a) a yoga mat (b) a window pane (c) the core of a wire (d) a cooking pot handle
  32. 32.Which of these needs a waterproof material? (a) a yoga mat (b) a tea flask lining (c) an umbrella cover (d) a hair band
  33. 33.🔍 Which is the odd one out? (a) brass (b) aluminium (c) graphite (d) cotton cloth
  34. 34.True or false: a spectacle lens needs a flexible material. (a) True (b) False
  35. 35.Which of these needs a heat insulator? (a) an umbrella cover (b) a switch contact (c) a tea flask lining (d) a roof sheet
  36. 36.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  37. 37.🧱 Which property matters most for the core of a wire? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  38. 38.True or false: a boat hull needs a flexible material. (a) False (b) True
  39. 39.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) copper (d) aluminium
  40. 40.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) rubber (d) brass

Answer key

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

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