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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 981 · 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 rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.True or false: a raincoat needs a flexible material. (a) False (b) True
  3. 3.True or false: a magnifier lens needs a waterproof material. (a) False (b) True
  4. 4.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  5. 5.🔍 Which is the odd one out? (a) aluminium (b) brass (c) cotton cloth (d) copper
  6. 6.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  7. 7.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) electrical conductor (c) flexible (d) transparent
  9. 9.Which of these needs a transparent material? (a) a water tank (b) a roof sheet (c) a spectacle lens (d) a boat hull
  10. 10.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) wood (d) glass
  11. 11.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🧱 Which material is best for a window pane? (a) glass (b) brick (c) steel (d) wood
  13. 13.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  14. 14.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.True or false: a car seat belt needs a flexible material. (a) True (b) False
  16. 16.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  17. 17.Which of these needs a flexible material? (a) a spectacle lens (b) a water tank (c) an umbrella cover (d) a hair band
  18. 18.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) iron (d) copper
  19. 19.🔍 Which is the odd one out? (a) graphite (b) steel (c) dry wood (d) copper
  20. 20.🧱 Which property matters most for a roof sheet? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  21. 21.Which of these needs a transparent material? (a) a cooking pot handle (b) a switch contact (c) a plug pin (d) a magnifier lens
  22. 22.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  23. 23.🔍 Which is the odd one out? (a) rubber (b) brass (c) cotton cloth (d) clay pottery
  24. 24.Which of these needs a heat insulator? (a) an oven glove (b) a magnifier lens (c) an umbrella cover (d) a window pane
  25. 25.🧱 Which property matters most for a hair band? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  26. 26.🧱 Which property matters most for the core of a wire? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  27. 27.Which of these needs a flexible material? (a) a plug pin (b) a skipping rope (c) the core of a wire (d) an umbrella cover
  28. 28.🧱 Which property matters most for a car seat belt? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  29. 29.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.True or false: a window pane needs a transparent material. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) copper (b) plastic (c) aluminium (d) iron
  32. 32.🔍 Which is the odd one out? (a) rubber (b) iron (c) aluminium (d) brass
  33. 33.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) steel (d) dry wood
  34. 34.🧱 Which property matters most for a raincoat? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  35. 35.🧱 Which property matters most for a water tank? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  36. 36.🔍 Which is the odd one out? (a) glass (b) plastic (c) graphite (d) cotton cloth
  37. 37.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  38. 38.Which of these needs a transparent material? (a) the core of a wire (b) a boat hull (c) a window pane (d) a hair band
  39. 39.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  40. 40.True or false: the core of a wire needs an electrical conductor. (a) False (b) True

Answer key

  1. an insulator
  2. False
  3. False
  4. transparent
  5. cotton cloth
  6. True
  7. an insulator
  8. transparent
  9. a spectacle lens
  10. copper
  11. a conductor
  12. glass
  13. heat insulator
  14. a conductor
  15. True
  16. heat insulator
  17. a hair band
  18. wood or plastic
  19. dry wood
  20. waterproof
  21. a magnifier lens
  22. plastic-coated cloth
  23. brass
  24. an oven glove
  25. flexible
  26. electrical conductor
  27. a skipping rope
  28. flexible
  29. an insulator
  30. True
  31. plastic
  32. rubber
  33. steel
  34. waterproof
  35. waterproof
  36. graphite
  37. transparent
  38. a window pane
  39. False
  40. True

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