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Engineering Worksheet: Materials

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

Answer key

  1. transparent
  2. transparent
  3. waterproof
  4. an umbrella cover
  5. dry wood
  6. flexible
  7. heat insulator
  8. False
  9. a tea flask lining
  10. an insulator
  11. a switch contact
  12. rubber
  13. an insulator
  14. waterproof
  15. a conductor
  16. waterproof
  17. transparent
  18. copper
  19. False
  20. brass
  21. a hair band
  22. a car seat belt
  23. False
  24. iron
  25. the core of a wire
  26. heat insulator
  27. a spectacle lens
  28. a conductor
  29. electrical conductor
  30. an insulator
  31. waterproof
  32. aluminium
  33. True
  34. cotton cloth
  35. False
  36. steel
  37. copper
  38. True
  39. True
  40. True

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