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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 500 · 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 cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  2. 2.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  3. 3.🧱 Which material is best for a window pane? (a) steel (b) brick (c) glass (d) wood
  4. 4.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.True or false: a window pane needs a heat insulator. (a) True (b) False
  6. 6.Which of these needs a flexible material? (a) a car seat belt (b) the core of a wire (c) a roof sheet (d) a cooking pot handle
  7. 7.Which of these needs a heat insulator? (a) a cooking pot handle (b) the core of a wire (c) a raincoat (d) a car seat belt
  8. 8.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) rubber (d) brass
  9. 9.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🧱 Which property matters most for a skipping rope? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  11. 11.True or false: a car windscreen needs a flexible material. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) glass (b) copper (c) graphite (d) iron
  13. 13.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  14. 14.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Which property matters most for a water tank? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  16. 16.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.Which of these needs an electrical conductor? (a) an umbrella cover (b) a yoga mat (c) a switch contact (d) a car seat belt
  18. 18.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Which property matters most for a car seat belt? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  20. 20.🧱 Which property matters most for an umbrella cover? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  21. 21.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) iron (b) graphite (c) copper (d) clay pottery
  23. 23.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🧱 Which property matters most for a boat hull? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  25. 25.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) wood (d) copper
  26. 26.🧱 Which property matters most for an oven glove? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  27. 27.True or false: a tea flask lining needs a transparent material. (a) False (b) True
  28. 28.True or false: a window pane needs a transparent material. (a) False (b) True
  29. 29.True or false: a boat hull needs a waterproof material. (a) False (b) True
  30. 30.True or false: a hair band needs a transparent material. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) brass (b) rubber (c) aluminium (d) copper
  32. 32.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) plastic (d) steel
  33. 33.Which of these needs a transparent material? (a) a hair band (b) a plug pin (c) a car windscreen (d) the core of a wire
  34. 34.True or false: a plug pin needs a waterproof material. (a) True (b) False
  35. 35.🧱 Which property matters most for a window pane? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  36. 36.Which of these needs an electrical conductor? (a) a roof sheet (b) a spectacle lens (c) the core of a wire (d) a car windscreen
  37. 37.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  38. 38.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  39. 39.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. wood or plastic
  2. True
  3. glass
  4. a conductor
  5. False
  6. a car seat belt
  7. a cooking pot handle
  8. brass
  9. an insulator
  10. flexible
  11. False
  12. glass
  13. plastic-coated cloth
  14. a conductor
  15. waterproof
  16. an insulator
  17. a switch contact
  18. a conductor
  19. flexible
  20. waterproof
  21. True
  22. clay pottery
  23. an insulator
  24. waterproof
  25. copper
  26. heat insulator
  27. False
  28. True
  29. True
  30. False
  31. rubber
  32. steel
  33. a car windscreen
  34. False
  35. transparent
  36. the core of a wire
  37. True
  38. heat insulator
  39. a conductor
  40. an insulator

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