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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 677 · 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) flexible (c) electrical conductor (d) transparent
  2. 2.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  3. 3.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🧱 Which property matters most for a yoga mat? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  5. 5.True or false: a spectacle lens needs a flexible material. (a) False (b) True
  6. 6.Which of these needs a heat insulator? (a) a plug pin (b) a water tank (c) a cooking pot handle (d) a magnifier lens
  7. 7.True or false: a yoga mat needs a flexible material. (a) True (b) False
  8. 8.True or false: a window pane needs a transparent material. (a) False (b) True
  9. 9.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  11. 11.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  12. 12.Which of these needs a waterproof material? (a) a boat hull (b) a skipping rope (c) a window pane (d) a cooking pot handle
  13. 13.Which of these needs a flexible material? (a) a switch contact (b) a hair band (c) a water tank (d) a plug pin
  14. 14.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) aluminium (d) copper
  15. 15.🧱 Which property matters most for a raincoat? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  16. 16.🧱 Which property matters most for a water tank? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  17. 17.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  18. 18.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  19. 19.Which of these needs a waterproof material? (a) the core of a wire (b) a car windscreen (c) a raincoat (d) a skipping rope
  20. 20.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) glass (d) brass
  21. 21.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  23. 23.Which of these needs an electrical conductor? (a) an oven glove (b) a roof sheet (c) a tea flask lining (d) a switch contact
  24. 24.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  25. 25.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) brass (b) graphite (c) aluminium (d) clay pottery
  27. 27.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) rubber (d) graphite
  29. 29.🔍 Which is the odd one out? (a) plastic (b) brass (c) aluminium (d) copper
  30. 30.True or false: a car seat belt needs a flexible material. (a) False (b) True
  31. 31.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.🔍 Which is the odd one out? (a) copper (b) iron (c) glass (d) graphite
  33. 33.🧱 Which property matters most for an umbrella cover? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  34. 34.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.True or false: an umbrella cover needs an electrical conductor. (a) False (b) True
  36. 36.Which of these needs a transparent material? (a) a switch contact (b) a tea flask lining (c) a window pane (d) a plug pin
  37. 37.True or false: a roof sheet needs an electrical conductor. (a) True (b) False
  38. 38.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) copper (d) iron
  39. 39.🔍 Which is the odd one out? (a) iron (b) rubber (c) steel (d) graphite
  40. 40.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. transparent
  2. plastic-coated cloth
  3. an insulator
  4. flexible
  5. False
  6. a cooking pot handle
  7. True
  8. True
  9. a conductor
  10. transparent
  11. steel
  12. a boat hull
  13. a hair band
  14. cotton cloth
  15. waterproof
  16. waterproof
  17. False
  18. glass
  19. a raincoat
  20. brass
  21. an insulator
  22. heat insulator
  23. a switch contact
  24. waterproof
  25. False
  26. clay pottery
  27. an insulator
  28. graphite
  29. plastic
  30. True
  31. an insulator
  32. glass
  33. waterproof
  34. an insulator
  35. False
  36. a window pane
  37. False
  38. wood or plastic
  39. rubber
  40. a conductor

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