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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 765 · 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 cooking pot handle needs a heat insulator. (a) False (b) True
  2. 2.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  4. 4.🔍 Which is the odd one out? (a) plastic (b) rubber (c) cotton cloth (d) brass
  5. 5.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  6. 6.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  7. 7.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  8. 8.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which material is best for a window pane? (a) wood (b) glass (c) brick (d) steel
  10. 10.True or false: a window pane needs a heat insulator. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) iron (d) dry wood
  12. 12.True or false: a boat hull needs a waterproof material. (a) True (b) False
  13. 13.Which of these needs a flexible material? (a) a hair band (b) a window pane (c) a roof sheet (d) a magnifier lens
  14. 14.🧱 Which property matters most for a plug pin? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  15. 15.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  16. 16.Which of these needs a heat insulator? (a) a switch contact (b) a plug pin (c) a window pane (d) a cooking pot handle
  17. 17.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) wood or plastic (d) iron
  18. 18.🧱 Which property matters most for the core of a wire? (a) flexible (b) waterproof (c) electrical conductor (d) transparent
  19. 19.Which of these needs a transparent material? (a) an umbrella cover (b) a raincoat (c) a hair band (d) a spectacle lens
  20. 20.Which of these needs an electrical conductor? (a) a cooking pot handle (b) an umbrella cover (c) a raincoat (d) a switch contact
  21. 21.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) brass (d) aluminium
  22. 22.Which of these needs a waterproof material? (a) a cooking pot handle (b) a hair band (c) an oven glove (d) an umbrella cover
  23. 23.🧱 Which property matters most for a roof sheet? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  24. 24.🔍 Which is the odd one out? (a) iron (b) plastic (c) brass (d) steel
  25. 25.🔍 Which is the odd one out? (a) glass (b) brass (c) iron (d) steel
  26. 26.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  27. 27.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) dry wood (d) copper
  28. 28.Which of these needs an electrical conductor? (a) a car windscreen (b) a boat hull (c) a roof sheet (d) the core of a wire
  29. 29.Which of these needs a waterproof material? (a) the core of a wire (b) a hair band (c) a boat hull (d) an oven glove
  30. 30.🔍 Which is the odd one out? (a) steel (b) brass (c) iron (d) dry wood
  31. 31.True or false: a water tank needs a waterproof material. (a) True (b) False
  32. 32.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.🧱 Which property matters most for a car windscreen? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  34. 34.🔍 Which is the odd one out? (a) steel (b) brass (c) copper (d) rubber
  35. 35.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  36. 36.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.Which of these needs a waterproof material? (a) a cooking pot handle (b) a magnifier lens (c) a yoga mat (d) a water tank
  38. 38.🔍 Which is the odd one out? (a) rubber (b) plastic (c) dry wood (d) aluminium
  39. 39.True or false: a window pane needs an electrical conductor. (a) True (b) False
  40. 40.Which of these needs a waterproof material? (a) a roof sheet (b) a window pane (c) a plug pin (d) a skipping rope

Answer key

  1. True
  2. an insulator
  3. flexible
  4. brass
  5. transparent
  6. waterproof
  7. True
  8. a conductor
  9. glass
  10. False
  11. iron
  12. True
  13. a hair band
  14. electrical conductor
  15. plastic-coated cloth
  16. a cooking pot handle
  17. wood or plastic
  18. electrical conductor
  19. a spectacle lens
  20. a switch contact
  21. clay pottery
  22. an umbrella cover
  23. waterproof
  24. plastic
  25. glass
  26. waterproof
  27. copper
  28. the core of a wire
  29. a boat hull
  30. dry wood
  31. True
  32. a conductor
  33. transparent
  34. rubber
  35. True
  36. a conductor
  37. a water tank
  38. aluminium
  39. False
  40. a roof sheet

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