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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 548 · 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 material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  2. 2.True or false: a car seat belt needs a transparent material. (a) True (b) False
  3. 3.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) copper (d) rubber
  5. 5.🧱 Which property matters most for a plug pin? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  6. 6.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) glass (d) rubber
  7. 7.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  8. 8.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  10. 10.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  11. 11.True or false: a car windscreen needs a transparent material. (a) True (b) False
  12. 12.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  13. 13.Which of these needs a waterproof material? (a) a yoga mat (b) a roof sheet (c) a hair band (d) a tea flask lining
  14. 14.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  15. 15.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  16. 16.🧱 Which property matters most for a water tank? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  17. 17.Which of these needs a heat insulator? (a) a switch contact (b) a roof sheet (c) a raincoat (d) an oven glove
  18. 18.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  20. 20.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  21. 21.Which of these needs a transparent material? (a) a tea flask lining (b) a spectacle lens (c) an oven glove (d) a skipping rope
  22. 22.Which of these needs a waterproof material? (a) a magnifier lens (b) a switch contact (c) a water tank (d) a cooking pot handle
  23. 23.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  24. 24.True or false: a water tank needs a waterproof material. (a) False (b) True
  25. 25.True or false: a roof sheet needs a heat insulator. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) iron (b) graphite (c) steel (d) dry wood
  27. 27.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator
  28. 28.Which of these needs an electrical conductor? (a) a tea flask lining (b) a boat hull (c) a plug pin (d) a magnifier lens
  29. 29.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  30. 30.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) brass (d) graphite
  32. 32.🧱 Which property matters most for a window pane? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  33. 33.True or false: a cooking pot handle needs a transparent material. (a) True (b) False
  34. 34.Which of these needs a transparent material? (a) a raincoat (b) a boat hull (c) a magnifier lens (d) an umbrella cover
  35. 35.True or false: an oven glove needs a waterproof material. (a) True (b) False
  36. 36.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False
  37. 37.Which of these needs a waterproof material? (a) a car seat belt (b) a switch contact (c) a raincoat (d) a yoga mat
  38. 38.🔍 Which is the odd one out? (a) rubber (b) brass (c) aluminium (d) copper
  39. 39.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) clay pottery (d) rubber
  40. 40.Which of these needs a waterproof material? (a) the core of a wire (b) an umbrella cover (c) a tea flask lining (d) a spectacle lens

Answer key

  1. wood or plastic
  2. False
  3. a conductor
  4. copper
  5. electrical conductor
  6. aluminium
  7. plastic-coated cloth
  8. an insulator
  9. steel
  10. copper
  11. True
  12. waterproof
  13. a roof sheet
  14. glass
  15. True
  16. waterproof
  17. an oven glove
  18. a conductor
  19. True
  20. True
  21. a spectacle lens
  22. a water tank
  23. False
  24. True
  25. False
  26. dry wood
  27. flexible
  28. a plug pin
  29. waterproof
  30. True
  31. clay pottery
  32. transparent
  33. False
  34. a magnifier lens
  35. False
  36. False
  37. a raincoat
  38. rubber
  39. brass
  40. an umbrella cover

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