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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 348 · 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 of these needs a heat insulator? (a) an umbrella cover (b) the core of a wire (c) a tea flask lining (d) a skipping rope
  2. 2.🔍 Which is the odd one out? (a) brass (b) copper (c) steel (d) clay pottery
  3. 3.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  4. 4.Which of these needs a waterproof material? (a) a boat hull (b) a hair band (c) a tea flask lining (d) the core of a wire
  5. 5.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) rubber (d) dry wood
  6. 6.True or false: a raincoat needs a transparent material. (a) True (b) False
  7. 7.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  8. 8.Which of these needs a waterproof material? (a) a roof sheet (b) a cooking pot handle (c) a window pane (d) a plug pin
  9. 9.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  11. 11.Which of these needs an electrical conductor? (a) the core of a wire (b) a tea flask lining (c) a window pane (d) a raincoat
  12. 12.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  13. 13.🧱 Which property matters most for a car seat belt? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  14. 14.Which of these needs a transparent material? (a) a roof sheet (b) a hair band (c) a boat hull (d) a spectacle lens
  15. 15.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  16. 16.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a plug pin (c) a tea flask lining (d) a window pane
  17. 17.🧱 Which property matters most for a switch contact? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  18. 18.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  19. 19.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  20. 20.Which of these needs a heat insulator? (a) a hair band (b) a window pane (c) an oven glove (d) a boat hull
  21. 21.🧱 Which property matters most for a window pane? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  22. 22.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  23. 23.True or false: a car windscreen needs a transparent material. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) copper (b) rubber (c) graphite (d) iron
  25. 25.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  26. 26.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) plastic (d) iron
  27. 27.🧱 Which property matters most for the core of a wire? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  28. 28.True or false: a tea flask lining needs a transparent material. (a) True (b) False
  29. 29.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  30. 30.True or false: a boat hull needs a waterproof material. (a) False (b) True
  31. 31.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.Which of these needs a flexible material? (a) a roof sheet (b) a magnifier lens (c) a hair band (d) a water tank
  34. 34.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) copper (d) clay pottery
  35. 35.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs a transparent material? (a) a roof sheet (b) a magnifier lens (c) a boat hull (d) a cooking pot handle
  37. 37.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.🧱 Which property matters most for a water tank? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  39. 39.True or false: a hair band needs a flexible material. (a) False (b) True
  40. 40.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) waterproof (d) heat insulator

Answer key

  1. a tea flask lining
  2. clay pottery
  3. steel
  4. a boat hull
  5. steel
  6. False
  7. copper
  8. a roof sheet
  9. an insulator
  10. transparent
  11. the core of a wire
  12. glass
  13. flexible
  14. a spectacle lens
  15. wood or plastic
  16. a plug pin
  17. electrical conductor
  18. transparent
  19. True
  20. an oven glove
  21. transparent
  22. waterproof
  23. True
  24. rubber
  25. heat insulator
  26. iron
  27. electrical conductor
  28. False
  29. False
  30. True
  31. a conductor
  32. an insulator
  33. a hair band
  34. copper
  35. a conductor
  36. a magnifier lens
  37. a conductor
  38. waterproof
  39. True
  40. waterproof

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