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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 552 · 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 of these needs a waterproof material? (a) a window pane (b) a raincoat (c) a skipping rope (d) a car seat belt
  2. 2.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.True or false: a hair band needs a transparent material. (a) False (b) True
  4. 4.True or false: a boat hull needs a heat insulator. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) iron (b) copper (c) glass (d) brass
  6. 6.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  8. 8.🔍 Which is the odd one out? (a) copper (b) plastic (c) steel (d) graphite
  9. 9.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  10. 10.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) copper (d) brass
  11. 11.🧱 Which property matters most for a tea flask lining? (a) transparent (b) electrical conductor (c) flexible (d) heat insulator
  12. 12.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.Which of these needs a waterproof material? (a) a skipping rope (b) an umbrella cover (c) a plug pin (d) a cooking pot handle
  15. 15.🔍 Which is the odd one out? (a) copper (b) aluminium (c) graphite (d) clay pottery
  16. 16.🧱 Which property matters most for a switch contact? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  17. 17.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  18. 18.True or false: a boat hull needs a waterproof material. (a) False (b) True
  19. 19.🧱 Which property matters most for an oven glove? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  20. 20.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🔍 Which is the odd one out? (a) copper (b) brass (c) aluminium (d) rubber
  22. 22.🧱 Which property matters most for a spectacle lens? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  23. 23.🧱 Which material is best for a window pane? (a) wood (b) steel (c) brick (d) glass
  24. 24.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  26. 26.True or false: a roof sheet needs a transparent material. (a) True (b) False
  27. 27.🧱 Which property matters most for a window pane? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  28. 28.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  29. 29.🧱 Which property matters most for a raincoat? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  30. 30.Which of these needs an electrical conductor? (a) a plug pin (b) a roof sheet (c) a car seat belt (d) a cooking pot handle
  31. 31.🧱 Which property matters most for a water tank? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  32. 32.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  33. 33.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  34. 34.True or false: an oven glove needs a flexible material. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) rubber (b) aluminium (c) dry wood (d) plastic
  36. 36.Which of these needs a waterproof material? (a) a tea flask lining (b) a boat hull (c) a cooking pot handle (d) a window pane
  37. 37.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  38. 38.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) plastic (d) steel
  39. 39.Which of these needs a heat insulator? (a) a skipping rope (b) a boat hull (c) a yoga mat (d) an oven glove
  40. 40.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) waterproof (c) flexible (d) transparent

Answer key

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

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