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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 440 · 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: an oven glove needs a heat insulator. (a) False (b) True
  2. 2.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.Which of these needs a transparent material? (a) a boat hull (b) a car windscreen (c) a yoga mat (d) a cooking pot handle
  5. 5.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) aluminium (d) glass
  6. 6.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.True or false: a hair band needs an electrical conductor. (a) True (b) False
  8. 8.🧱 Which property matters most for a skipping rope? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  9. 9.Which of these needs a heat insulator? (a) an oven glove (b) a spectacle lens (c) a plug pin (d) a boat hull
  10. 10.Which of these needs a heat insulator? (a) a roof sheet (b) a cooking pot handle (c) a plug pin (d) a spectacle lens
  11. 11.True or false: an umbrella cover needs a flexible material. (a) False (b) True
  12. 12.True or false: a boat hull needs a heat insulator. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) graphite (b) glass (c) dry wood (d) clay pottery
  14. 14.Which of these needs a transparent material? (a) a yoga mat (b) a car seat belt (c) a magnifier lens (d) a tea flask lining
  15. 15.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🧱 Which property matters most for a hair band? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  17. 17.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.🧱 Which material is best for a window pane? (a) brick (b) steel (c) wood (d) glass
  19. 19.True or false: a roof sheet needs a flexible material. (a) False (b) True
  20. 20.True or false: a car windscreen needs a flexible material. (a) False (b) True
  21. 21.Which of these needs a heat insulator? (a) a yoga mat (b) a boat hull (c) a tea flask lining (d) a water tank
  22. 22.🧱 Which property matters most for a car windscreen? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  23. 23.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cotton wool (c) paper (d) cardboard
  24. 24.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) copper (d) clay pottery
  25. 25.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🔍 Which is the odd one out? (a) graphite (b) copper (c) aluminium (d) clay pottery
  27. 27.🔍 Which is the odd one out? (a) graphite (b) brass (c) rubber (d) copper
  28. 28.🔍 Which is the odd one out? (a) steel (b) graphite (c) iron (d) glass
  29. 29.🧱 Which property matters most for a water tank? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  30. 30.Which of these needs a transparent material? (a) a window pane (b) the core of a wire (c) an oven glove (d) a water tank
  31. 31.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.True or false: a raincoat needs a waterproof material. (a) False (b) True
  33. 33.🧱 Which property matters most for a spectacle lens? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  34. 34.🔍 Which is the odd one out? (a) cotton cloth (b) steel (c) glass (d) rubber
  35. 35.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs a transparent material? (a) a water tank (b) a spectacle lens (c) the core of a wire (d) a car seat belt
  37. 37.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a roof sheet (c) a plug pin (d) an umbrella cover
  38. 38.True or false: a hair band needs a flexible material. (a) False (b) True
  39. 39.True or false: a skipping rope needs a transparent material. (a) False (b) True
  40. 40.True or false: a raincoat needs an electrical conductor. (a) False (b) True

Answer key

  1. True
  2. a conductor
  3. an insulator
  4. a car windscreen
  5. aluminium
  6. an insulator
  7. False
  8. flexible
  9. an oven glove
  10. a cooking pot handle
  11. False
  12. False
  13. graphite
  14. a magnifier lens
  15. an insulator
  16. flexible
  17. a conductor
  18. glass
  19. False
  20. False
  21. a tea flask lining
  22. transparent
  23. plastic-coated cloth
  24. copper
  25. a conductor
  26. clay pottery
  27. rubber
  28. glass
  29. waterproof
  30. a window pane
  31. a conductor
  32. True
  33. transparent
  34. steel
  35. an insulator
  36. a spectacle lens
  37. a plug pin
  38. True
  39. False
  40. False

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