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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 116 · 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.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.True or false: a car seat belt needs a flexible material. (a) False (b) True
  3. 3.True or false: a water tank needs a waterproof material. (a) False (b) True
  4. 4.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.True or false: a raincoat needs a transparent material. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) plastic (b) steel (c) rubber (d) clay pottery
  7. 7.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  8. 8.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  9. 9.🧱 Which material is best for a window pane? (a) steel (b) wood (c) glass (d) brick
  10. 10.Which of these needs a flexible material? (a) a raincoat (b) a yoga mat (c) an umbrella cover (d) a car windscreen
  11. 11.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  12. 12.Which of these needs a transparent material? (a) a skipping rope (b) an umbrella cover (c) a magnifier lens (d) a tea flask lining
  13. 13.Which of these needs a waterproof material? (a) a hair band (b) an umbrella cover (c) an oven glove (d) a car seat belt
  14. 14.Which of these needs a flexible material? (a) a raincoat (b) a water tank (c) a hair band (d) a cooking pot handle
  15. 15.🔍 Which is the odd one out? (a) glass (b) plastic (c) copper (d) cotton cloth
  16. 16.True or false: an oven glove needs a heat insulator. (a) False (b) True
  17. 17.Which of these needs a transparent material? (a) a car windscreen (b) a boat hull (c) a water tank (d) a plug pin
  18. 18.Which of these needs a transparent material? (a) a switch contact (b) a window pane (c) the core of a wire (d) a car seat belt
  19. 19.🧱 Which property matters most for a car windscreen? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  20. 20.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  21. 21.Which of these needs an electrical conductor? (a) a magnifier lens (b) a window pane (c) a plug pin (d) a boat hull
  22. 22.🧱 Which property matters most for a hair band? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  23. 23.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) rubber (d) cotton cloth
  25. 25.True or false: a cooking pot handle needs a flexible material. (a) True (b) False
  26. 26.True or false: a water tank needs a transparent material. (a) True (b) False
  27. 27.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  28. 28.🧱 Which property matters most for a yoga mat? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  29. 29.🧱 Which property matters most for a raincoat? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  30. 30.Which of these needs a flexible material? (a) a car seat belt (b) a cooking pot handle (c) a raincoat (d) an umbrella cover
  31. 31.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.🔍 Which is the odd one out? (a) copper (b) aluminium (c) clay pottery (d) steel
  33. 33.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  34. 34.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  35. 35.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) steel (d) iron
  37. 37.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  38. 38.Which of these needs an electrical conductor? (a) a window pane (b) a water tank (c) a switch contact (d) an oven glove
  39. 39.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  40. 40.🔍 Which is the odd one out? (a) brass (b) copper (c) dry wood (d) graphite

Answer key

  1. a conductor
  2. True
  3. True
  4. a conductor
  5. False
  6. steel
  7. heat insulator
  8. heat insulator
  9. glass
  10. a yoga mat
  11. plastic-coated cloth
  12. a magnifier lens
  13. an umbrella cover
  14. a hair band
  15. copper
  16. True
  17. a car windscreen
  18. a window pane
  19. transparent
  20. flexible
  21. a plug pin
  22. flexible
  23. an insulator
  24. aluminium
  25. False
  26. False
  27. False
  28. flexible
  29. waterproof
  30. a car seat belt
  31. an insulator
  32. clay pottery
  33. True
  34. transparent
  35. an insulator
  36. rubber
  37. wood or plastic
  38. a switch contact
  39. waterproof
  40. dry wood

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