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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 966 · 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 is the odd one out? (a) copper (b) glass (c) dry wood (d) cotton cloth
  2. 2.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
  3. 3.True or false: a boat hull needs a waterproof material. (a) True (b) False
  4. 4.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) iron (d) wood or plastic
  5. 5.True or false: a car windscreen needs a transparent material. (a) True (b) False
  6. 6.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  8. 8.🔍 Which is the odd one out? (a) cotton cloth (b) iron (c) rubber (d) glass
  9. 9.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  11. 11.🧱 Which property matters most for a boat hull? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  12. 12.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) glass (d) dry wood
  13. 13.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  14. 14.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) plastic-coated cloth (d) cotton wool
  15. 15.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  16. 16.Which of these needs a flexible material? (a) a boat hull (b) a car seat belt (c) a car windscreen (d) an umbrella cover
  17. 17.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  18. 18.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  19. 19.🧱 Which property matters most for a car seat belt? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  20. 20.Which of these needs an electrical conductor? (a) an umbrella cover (b) a spectacle lens (c) a yoga mat (d) a switch contact
  21. 21.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  22. 22.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.True or false: an oven glove needs a heat insulator. (a) False (b) True
  27. 27.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  28. 28.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  29. 29.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  30. 30.True or false: a boat hull needs a heat insulator. (a) False (b) True
  31. 31.Which of these needs a flexible material? (a) a cooking pot handle (b) a magnifier lens (c) a raincoat (d) a hair band
  32. 32.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) aluminium (d) copper
  33. 33.True or false: a boat hull needs a transparent material. (a) True (b) False
  34. 34.True or false: the core of a wire needs a transparent material. (a) False (b) True
  35. 35.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs a waterproof material? (a) a switch contact (b) a raincoat (c) a car seat belt (d) an oven glove
  37. 37.Which of these needs a flexible material? (a) a raincoat (b) a switch contact (c) a magnifier lens (d) a skipping rope
  38. 38.Which of these needs a transparent material? (a) a plug pin (b) an oven glove (c) a yoga mat (d) a spectacle lens
  39. 39.True or false: a skipping rope needs a flexible material. (a) False (b) True
  40. 40.True or false: a water tank needs a waterproof material. (a) False (b) True

Answer key

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

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