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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 377 · 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) wood or plastic (b) iron (c) aluminium (d) copper
  2. 2.🧱 Which property matters most for a raincoat? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  3. 3.Which of these needs a transparent material? (a) a cooking pot handle (b) a plug pin (c) a spectacle lens (d) a raincoat
  4. 4.True or false: a window pane needs a flexible material. (a) False (b) True
  5. 5.🔍 Which is the odd one out? (a) graphite (b) clay pottery (c) copper (d) brass
  6. 6.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) wood (d) glass
  7. 7.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Which property matters most for a magnifier lens? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  9. 9.True or false: a spectacle lens needs a flexible material. (a) False (b) True
  10. 10.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  11. 11.Which of these needs a heat insulator? (a) an oven glove (b) the core of a wire (c) a spectacle lens (d) a car seat belt
  12. 12.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) aluminium (b) copper (c) steel (d) rubber
  14. 14.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  15. 15.Which of these needs a flexible material? (a) a hair band (b) a roof sheet (c) a window pane (d) an umbrella cover
  16. 16.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.True or false: a magnifier lens needs an electrical conductor. (a) False (b) True
  18. 18.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.True or false: a car windscreen needs an electrical conductor. (a) False (b) True
  20. 20.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  22. 22.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  23. 23.True or false: a water tank needs a flexible material. (a) False (b) True
  24. 24.True or false: a switch contact needs a waterproof material. (a) False (b) True
  25. 25.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  26. 26.Which of these needs a transparent material? (a) a car windscreen (b) a switch contact (c) a roof sheet (d) a boat hull
  27. 27.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  29. 29.🧱 Which property matters most for a water tank? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  30. 30.🧱 Which property matters most for a roof sheet? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  31. 31.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  32. 32.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  33. 33.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  34. 34.🧱 Which property matters most for a hair band? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator
  35. 35.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  36. 36.Which of these needs an electrical conductor? (a) a plug pin (b) an oven glove (c) a boat hull (d) a car windscreen
  37. 37.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  38. 38.🧱 Which property matters most for a boat hull? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  39. 39.True or false: a boat hull needs a waterproof material. (a) True (b) False
  40. 40.Which of these needs a waterproof material? (a) a cooking pot handle (b) a yoga mat (c) a boat hull (d) a skipping rope

Answer key

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

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