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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 334 · 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.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  2. 2.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  3. 3.Which of these needs a flexible material? (a) a roof sheet (b) a magnifier lens (c) a raincoat (d) a hair band
  4. 4.🧱 Which property matters most for a plug pin? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  5. 5.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  6. 6.True or false: a car windscreen needs a transparent material. (a) False (b) True
  7. 7.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  8. 8.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.True or false: a cooking pot handle needs a waterproof material. (a) False (b) True
  10. 10.Which of these needs a heat insulator? (a) a water tank (b) a roof sheet (c) a car seat belt (d) a tea flask lining
  11. 11.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which property matters most for a window pane? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  13. 13.🔍 Which is the odd one out? (a) rubber (b) copper (c) plastic (d) glass
  14. 14.Which of these needs a transparent material? (a) a water tank (b) a spectacle lens (c) an oven glove (d) a cooking pot handle
  15. 15.True or false: a yoga mat needs an electrical conductor. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) steel (b) copper (c) plastic (d) aluminium
  17. 17.Which of these needs an electrical conductor? (a) a magnifier lens (b) a boat hull (c) a cooking pot handle (d) the core of a wire
  18. 18.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  19. 19.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) copper (d) iron
  20. 20.🧱 Which property matters most for a car windscreen? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  21. 21.True or false: a plug pin needs a waterproof material. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) steel (d) glass
  23. 23.True or false: a hair band needs a transparent material. (a) True (b) False
  24. 24.True or false: a car windscreen needs an electrical conductor. (a) False (b) True
  25. 25.🧱 Which property matters most for a roof sheet? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  26. 26.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  27. 27.🔍 Which is the odd one out? (a) steel (b) brass (c) cotton cloth (d) iron
  28. 28.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  29. 29.True or false: a yoga mat needs a flexible material. (a) False (b) True
  30. 30.True or false: a raincoat needs a waterproof material. (a) True (b) False
  31. 31.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  32. 32.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  33. 33.🔍 Which is the odd one out? (a) aluminium (b) iron (c) steel (d) glass
  34. 34.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  35. 35.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🧱 Which property matters most for a hair band? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  37. 37.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  38. 38.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  39. 39.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🧱 Which property matters most for a water tank? (a) flexible (b) waterproof (c) transparent (d) heat insulator

Answer key

  1. True
  2. heat insulator
  3. a hair band
  4. electrical conductor
  5. glass
  6. True
  7. transparent
  8. an insulator
  9. False
  10. a tea flask lining
  11. an insulator
  12. transparent
  13. copper
  14. a spectacle lens
  15. False
  16. plastic
  17. the core of a wire
  18. True
  19. wood or plastic
  20. transparent
  21. False
  22. steel
  23. False
  24. False
  25. waterproof
  26. copper
  27. cotton cloth
  28. electrical conductor
  29. True
  30. True
  31. True
  32. waterproof
  33. glass
  34. plastic-coated cloth
  35. an insulator
  36. flexible
  37. flexible
  38. heat insulator
  39. a conductor
  40. waterproof

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