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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 533 · 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) aluminium (b) wood or plastic (c) iron (d) copper
  2. 2.Which of these needs a heat insulator? (a) a spectacle lens (b) a yoga mat (c) an oven glove (d) a raincoat
  3. 3.True or false: a skipping rope needs a flexible material. (a) True (b) False
  4. 4.Which of these needs an electrical conductor? (a) a tea flask lining (b) a roof sheet (c) a spectacle lens (d) the core of a wire
  5. 5.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  6. 6.🧱 Which property matters most for an oven glove? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  7. 7.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.Which of these needs a flexible material? (a) a car seat belt (b) a window pane (c) a roof sheet (d) a switch contact
  9. 9.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  10. 10.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) cotton cloth (d) graphite
  11. 11.🧱 Which property matters most for a car seat belt? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  12. 12.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  13. 13.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) aluminium (b) iron (c) steel (d) clay pottery
  15. 15.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  17. 17.Which of these needs a heat insulator? (a) a yoga mat (b) a roof sheet (c) a raincoat (d) a cooking pot handle
  18. 18.Which of these needs a waterproof material? (a) a plug pin (b) an oven glove (c) an umbrella cover (d) a spectacle lens
  19. 19.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.True or false: a window pane needs a transparent material. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) rubber (d) copper
  22. 22.🧱 Which property matters most for a switch contact? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  23. 23.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  24. 24.🔍 Which is the odd one out? (a) dry wood (b) steel (c) aluminium (d) graphite
  25. 25.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Which property matters most for a hair band? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  27. 27.🧱 Which property matters most for a boat hull? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  28. 28.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) aluminium (d) plastic
  30. 30.🔍 Which is the odd one out? (a) steel (b) glass (c) aluminium (d) copper
  31. 31.🧱 Which property matters most for a window pane? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  32. 32.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  33. 33.🧱 Which property matters most for the core of a wire? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  34. 34.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  36. 36.🔍 Which is the odd one out? (a) brass (b) plastic (c) clay pottery (d) glass
  37. 37.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  38. 38.Which of these needs a transparent material? (a) the core of a wire (b) a plug pin (c) a window pane (d) a switch contact
  39. 39.🔍 Which is the odd one out? (a) copper (b) aluminium (c) plastic (d) graphite
  40. 40.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

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

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