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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 942 · 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) steel (b) glass (c) wood (d) brick
  2. 2.🧱 Which property matters most for a tea flask lining? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  3. 3.🔍 Which is the odd one out? (a) iron (b) aluminium (c) copper (d) clay pottery
  4. 4.True or false: an umbrella cover needs a flexible material. (a) False (b) True
  5. 5.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  6. 6.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  8. 8.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  9. 9.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  10. 10.🧱 Which property matters most for a roof sheet? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  11. 11.True or false: a window pane needs a transparent material. (a) False (b) True
  12. 12.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🔍 Which is the odd one out? (a) cotton cloth (b) steel (c) glass (d) rubber
  14. 14.🔍 Which is the odd one out? (a) cotton cloth (b) steel (c) brass (d) aluminium
  15. 15.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) plastic (d) glass
  17. 17.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) rubber (d) glass
  18. 18.True or false: a raincoat needs a waterproof material. (a) True (b) False
  19. 19.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) iron (d) copper
  20. 20.🔍 Which is the odd one out? (a) aluminium (b) glass (c) steel (d) iron
  21. 21.🔍 Which is the odd one out? (a) iron (b) brass (c) aluminium (d) rubber
  22. 22.🧱 Which property matters most for a water tank? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  23. 23.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  24. 24.Which of these needs an electrical conductor? (a) a boat hull (b) a plug pin (c) a yoga mat (d) a car windscreen
  25. 25.🧱 Which property matters most for a switch contact? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  26. 26.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.True or false: a boat hull needs a waterproof material. (a) False (b) True
  28. 28.Which of these needs a transparent material? (a) an oven glove (b) a window pane (c) a raincoat (d) the core of a wire
  29. 29.True or false: a skipping rope needs a waterproof material. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) graphite (d) clay pottery
  31. 31.Which of these needs an electrical conductor? (a) a car seat belt (b) a roof sheet (c) a raincoat (d) a switch contact
  32. 32.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False
  33. 33.Which of these needs a transparent material? (a) a water tank (b) a hair band (c) a magnifier lens (d) a switch contact
  34. 34.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) brass (d) copper
  35. 35.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  36. 36.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  38. 38.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  39. 39.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  40. 40.True or false: an oven glove needs a heat insulator. (a) False (b) True

Answer key

  1. glass
  2. heat insulator
  3. clay pottery
  4. False
  5. flexible
  6. a conductor
  7. flexible
  8. waterproof
  9. electrical conductor
  10. waterproof
  11. True
  12. an insulator
  13. steel
  14. cotton cloth
  15. a conductor
  16. steel
  17. aluminium
  18. True
  19. wood or plastic
  20. glass
  21. rubber
  22. waterproof
  23. True
  24. a plug pin
  25. electrical conductor
  26. a conductor
  27. True
  28. a window pane
  29. False
  30. graphite
  31. a switch contact
  32. False
  33. a magnifier lens
  34. plastic
  35. transparent
  36. a conductor
  37. copper
  38. False
  39. True
  40. True

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