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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 368 · 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 a spectacle lens? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  2. 2.True or false: a raincoat needs a waterproof material. (a) False (b) True
  3. 3.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  4. 4.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.Which of these needs an electrical conductor? (a) a tea flask lining (b) a water tank (c) a cooking pot handle (d) a switch contact
  6. 6.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.Which of these needs a heat insulator? (a) a plug pin (b) a window pane (c) a water tank (d) an oven glove
  8. 8.Which of these needs an electrical conductor? (a) a boat hull (b) an umbrella cover (c) the core of a wire (d) a car windscreen
  9. 9.🧱 Which property matters most for a hair band? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  10. 10.Which of these needs a waterproof material? (a) a plug pin (b) a raincoat (c) a car windscreen (d) a spectacle lens
  11. 11.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) rubber (d) aluminium
  12. 12.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) copper (d) aluminium
  13. 13.Which of these needs a waterproof material? (a) a window pane (b) a hair band (c) a water tank (d) an oven glove
  14. 14.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🔍 Which is the odd one out? (a) dry wood (b) copper (c) graphite (d) iron
  16. 16.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) cotton wool (d) plastic-coated cloth
  17. 17.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.Which of these needs a waterproof material? (a) a skipping rope (b) an oven glove (c) a spectacle lens (d) a roof sheet
  19. 19.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  20. 20.🔍 Which is the odd one out? (a) rubber (b) copper (c) clay pottery (d) cotton cloth
  21. 21.True or false: an oven glove needs a transparent material. (a) True (b) False
  22. 22.🧱 Which property matters most for a raincoat? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  23. 23.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) steel (d) glass
  24. 24.🔍 Which is the odd one out? (a) copper (b) graphite (c) iron (d) glass
  25. 25.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  26. 26.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Which property matters most for a car seat belt? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  28. 28.Which of these needs a transparent material? (a) the core of a wire (b) a raincoat (c) an oven glove (d) a magnifier lens
  29. 29.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  30. 30.True or false: a raincoat needs an electrical conductor. (a) False (b) True
  31. 31.True or false: a skipping rope needs a flexible material. (a) False (b) True
  32. 32.🧱 Which property matters most for a plug pin? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  33. 33.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  34. 34.True or false: a water tank needs an electrical conductor. (a) True (b) False
  35. 35.Which of these needs a transparent material? (a) a window pane (b) a water tank (c) a switch contact (d) a boat hull
  36. 36.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  37. 37.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) brass (d) dry wood
  38. 38.Which of these needs a flexible material? (a) a magnifier lens (b) a hair band (c) the core of a wire (d) an umbrella cover
  39. 39.True or false: a car windscreen needs a heat insulator. (a) True (b) False
  40. 40.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

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

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