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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 160 · 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.True or false: a window pane needs a flexible material. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) plastic (b) steel (c) iron (d) aluminium
  4. 4.Which of these needs a heat insulator? (a) a car windscreen (b) a tea flask lining (c) a magnifier lens (d) a window pane
  5. 5.🧱 Which property matters most for a hair band? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  6. 6.True or false: a magnifier lens needs an electrical conductor. (a) False (b) True
  7. 7.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  8. 8.Which of these needs a waterproof material? (a) the core of a wire (b) a window pane (c) a raincoat (d) a hair band
  9. 9.True or false: a yoga mat needs a flexible material. (a) False (b) True
  10. 10.🧱 Which property matters most for a window pane? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  11. 11.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) copper (d) rubber
  12. 12.Which of these needs a flexible material? (a) a tea flask lining (b) a raincoat (c) a yoga mat (d) a boat hull
  13. 13.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  14. 14.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  15. 15.Which of these needs a transparent material? (a) an umbrella cover (b) a window pane (c) a hair band (d) a boat hull
  16. 16.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  17. 17.🔍 Which is the odd one out? (a) steel (b) graphite (c) aluminium (d) rubber
  18. 18.True or false: a car seat belt needs a waterproof material. (a) False (b) True
  19. 19.True or false: a window pane needs a heat insulator. (a) False (b) True
  20. 20.True or false: a car seat belt needs a transparent material. (a) True (b) False
  21. 21.Which of these needs a heat insulator? (a) a car seat belt (b) a raincoat (c) a boat hull (d) a cooking pot handle
  22. 22.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  23. 23.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🧱 Which property matters most for a boat hull? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  25. 25.🧱 Which property matters most for a water tank? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  26. 26.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) dry wood (d) iron
  27. 27.Which of these needs a flexible material? (a) a car windscreen (b) a roof sheet (c) an oven glove (d) a hair band
  28. 28.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) plastic (d) clay pottery
  29. 29.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  30. 30.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  31. 31.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  32. 32.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) glass (d) rubber
  33. 33.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.Which of these needs a waterproof material? (a) a yoga mat (b) a switch contact (c) a water tank (d) a magnifier lens
  35. 35.🧱 Which property matters most for a raincoat? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  36. 36.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  37. 37.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  38. 38.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) flexible (c) transparent (d) waterproof

Answer key

  1. True
  2. False
  3. plastic
  4. a tea flask lining
  5. flexible
  6. False
  7. False
  8. a raincoat
  9. True
  10. transparent
  11. copper
  12. a yoga mat
  13. plastic-coated cloth
  14. wood or plastic
  15. a window pane
  16. waterproof
  17. rubber
  18. False
  19. False
  20. False
  21. a cooking pot handle
  22. steel
  23. a conductor
  24. waterproof
  25. waterproof
  26. dry wood
  27. a hair band
  28. iron
  29. True
  30. heat insulator
  31. flexible
  32. copper
  33. a conductor
  34. a water tank
  35. waterproof
  36. True
  37. True
  38. an insulator
  39. a conductor
  40. transparent

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