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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 879 · 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 window pane? (a) glass (b) steel (c) wood (d) brick
  2. 2.🧱 Which property matters most for a boat hull? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  3. 3.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  4. 4.True or false: a raincoat needs a waterproof material. (a) False (b) True
  5. 5.Which of these needs a waterproof material? (a) a window pane (b) a spectacle lens (c) an umbrella cover (d) a car seat belt
  6. 6.Which of these needs a flexible material? (a) an oven glove (b) a window pane (c) an umbrella cover (d) a yoga mat
  7. 7.True or false: an umbrella cover needs an electrical conductor. (a) False (b) True
  8. 8.True or false: a water tank needs an electrical conductor. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) plastic (d) aluminium
  10. 10.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) wood (d) glass
  11. 11.True or false: an oven glove needs a waterproof material. (a) False (b) True
  12. 12.True or false: a plug pin needs a flexible material. (a) False (b) True
  13. 13.🧱 Which property matters most for a window pane? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  14. 14.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) copper (b) steel (c) plastic (d) aluminium
  16. 16.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) plastic-coated cloth (d) cotton wool
  17. 17.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  18. 18.🧱 Which property matters most for a car windscreen? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  19. 19.Which of these needs a transparent material? (a) a water tank (b) a cooking pot handle (c) a magnifier lens (d) a skipping rope
  20. 20.🔍 Which is the odd one out? (a) dry wood (b) glass (c) iron (d) clay pottery
  21. 21.True or false: a roof sheet needs a flexible material. (a) False (b) True
  22. 22.🧱 Which property matters most for a water tank? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  23. 23.Which of these needs a flexible material? (a) an umbrella cover (b) an oven glove (c) a hair band (d) a window pane
  24. 24.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) steel (d) iron
  25. 25.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  26. 26.True or false: a car windscreen needs an electrical conductor. (a) True (b) False
  27. 27.True or false: a window pane needs a transparent material. (a) False (b) True
  28. 28.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) glass (d) rubber
  29. 29.Which of these needs a heat insulator? (a) a tea flask lining (b) a yoga mat (c) a window pane (d) a roof sheet
  30. 30.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.True or false: a spectacle lens needs a heat insulator. (a) True (b) False
  32. 32.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.True or false: a boat hull needs a transparent material. (a) True (b) False
  34. 34.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  36. 36.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  38. 38.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.🔍 Which is the odd one out? (a) aluminium (b) steel (c) graphite (d) clay pottery
  40. 40.True or false: a skipping rope needs a flexible material. (a) False (b) True

Answer key

  1. glass
  2. waterproof
  3. wood or plastic
  4. True
  5. an umbrella cover
  6. a yoga mat
  7. False
  8. False
  9. aluminium
  10. copper
  11. False
  12. False
  13. transparent
  14. False
  15. plastic
  16. plastic-coated cloth
  17. waterproof
  18. transparent
  19. a magnifier lens
  20. iron
  21. False
  22. waterproof
  23. a hair band
  24. dry wood
  25. flexible
  26. False
  27. True
  28. steel
  29. a tea flask lining
  30. an insulator
  31. False
  32. an insulator
  33. False
  34. a conductor
  35. True
  36. a conductor
  37. True
  38. an insulator
  39. clay pottery
  40. True

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