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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 576 · 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 car windscreen needs an electrical conductor. (a) False (b) True
  2. 2.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.Which of these needs a waterproof material? (a) a hair band (b) an oven glove (c) the core of a wire (d) a boat hull
  4. 4.Which of these needs a waterproof material? (a) a cooking pot handle (b) an umbrella cover (c) a window pane (d) a yoga mat
  5. 5.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) copper (d) aluminium
  6. 6.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) cotton cloth (d) copper
  7. 7.True or false: a cooking pot handle needs a waterproof material. (a) False (b) True
  8. 8.True or false: an oven glove needs a waterproof material. (a) False (b) True
  9. 9.Which of these needs an electrical conductor? (a) a cooking pot handle (b) the core of a wire (c) a window pane (d) a raincoat
  10. 10.🧱 Which property matters most for an umbrella cover? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  11. 11.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) glass (d) graphite
  12. 12.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.Which of these needs an electrical conductor? (a) a switch contact (b) a spectacle lens (c) a water tank (d) a raincoat
  14. 14.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  16. 16.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  17. 17.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  18. 18.Which of these needs a transparent material? (a) a hair band (b) a switch contact (c) a spectacle lens (d) the core of a wire
  19. 19.Which of these needs a heat insulator? (a) the core of a wire (b) a switch contact (c) a cooking pot handle (d) a boat hull
  20. 20.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  21. 21.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  23. 23.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) steel (d) copper
  24. 24.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) clay pottery (d) cotton cloth
  25. 25.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  26. 26.🧱 Which property matters most for a switch contact? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  27. 27.True or false: a water tank needs an electrical conductor. (a) True (b) False
  28. 28.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) copper (d) iron
  29. 29.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) cardboard (d) paper
  30. 30.Which of these needs a transparent material? (a) a tea flask lining (b) a water tank (c) a window pane (d) a car seat belt
  31. 31.🔍 Which is the odd one out? (a) plastic (b) iron (c) rubber (d) dry wood
  32. 32.Which of these needs a waterproof material? (a) a car seat belt (b) a yoga mat (c) a raincoat (d) a spectacle lens
  33. 33.🧱 Which property matters most for a yoga mat? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  34. 34.True or false: a water tank needs a waterproof material. (a) True (b) False
  35. 35.True or false: a window pane needs a transparent material. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) rubber (b) aluminium (c) brass (d) copper
  37. 37.🔍 Which is the odd one out? (a) glass (b) plastic (c) clay pottery (d) brass
  38. 38.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  39. 39.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  40. 40.True or false: a raincoat needs a heat insulator. (a) True (b) False

Answer key

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

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