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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 708 · 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.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) plastic-coated cloth (d) cotton wool
  4. 4.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  5. 5.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  6. 6.🔍 Which is the odd one out? (a) glass (b) steel (c) graphite (d) aluminium
  7. 7.🧱 Which property matters most for an oven glove? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  8. 8.True or false: a tea flask lining needs a waterproof material. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) graphite (b) rubber (c) brass (d) aluminium
  10. 10.🔍 Which is the odd one out? (a) plastic (b) steel (c) copper (d) graphite
  11. 11.🧱 Which property matters most for a yoga mat? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  12. 12.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  14. 14.Which of these needs a heat insulator? (a) a skipping rope (b) a tea flask lining (c) the core of a wire (d) a window pane
  15. 15.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  16. 16.🧱 Which property matters most for a window pane? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  17. 17.Which of these needs an electrical conductor? (a) a magnifier lens (b) a plug pin (c) a hair band (d) an umbrella cover
  18. 18.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) brass (d) clay pottery
  19. 19.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Which property matters most for a hair band? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  21. 21.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) rubber (d) plastic
  24. 24.🧱 Which material is best for a window pane? (a) steel (b) wood (c) glass (d) brick
  25. 25.Which of these needs a transparent material? (a) a cooking pot handle (b) a window pane (c) an oven glove (d) a water tank
  26. 26.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  27. 27.Which of these needs a waterproof material? (a) a plug pin (b) a window pane (c) a cooking pot handle (d) an umbrella cover
  28. 28.🔍 Which is the odd one out? (a) clay pottery (b) cotton cloth (c) copper (d) glass
  29. 29.Which of these needs a transparent material? (a) a roof sheet (b) a magnifier lens (c) an oven glove (d) a switch contact
  30. 30.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  31. 31.Which of these needs a heat insulator? (a) a switch contact (b) a cooking pot handle (c) a skipping rope (d) a boat hull
  32. 32.Which of these needs an electrical conductor? (a) a hair band (b) a spectacle lens (c) an umbrella cover (d) a switch contact
  33. 33.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) graphite (d) plastic
  34. 34.🧱 Which property matters most for the core of a wire? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  35. 35.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs a transparent material? (a) a hair band (b) a cooking pot handle (c) a spectacle lens (d) the core of a wire
  37. 37.Which of these needs a waterproof material? (a) the core of a wire (b) a boat hull (c) a switch contact (d) a car windscreen
  38. 38.True or false: a boat hull needs a waterproof material. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) brass (d) clay pottery
  40. 40.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

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

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