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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 275 · 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.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.True or false: a yoga mat needs a flexible material. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) clay pottery (d) iron
  4. 4.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) heat insulator
  5. 5.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  6. 6.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  9. 9.🧱 Which property matters most for the core of a wire? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  10. 10.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  11. 11.Which of these needs a flexible material? (a) a roof sheet (b) a skipping rope (c) a spectacle lens (d) a cooking pot handle
  12. 12.True or false: a car windscreen needs a heat insulator. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) glass (b) rubber (c) graphite (d) plastic
  14. 14.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  15. 15.🧱 Which property matters most for a car windscreen? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  16. 16.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  17. 17.🧱 Which property matters most for a raincoat? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  18. 18.Which of these needs a flexible material? (a) a car windscreen (b) a hair band (c) an umbrella cover (d) a tea flask lining
  19. 19.Which of these needs an electrical conductor? (a) a skipping rope (b) a plug pin (c) a roof sheet (d) a magnifier lens
  20. 20.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  21. 21.True or false: a raincoat needs a transparent material. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) cotton cloth (d) glass
  23. 23.True or false: a boat hull needs a flexible material. (a) False (b) True
  24. 24.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) rubber (d) steel
  25. 25.🔍 Which is the odd one out? (a) graphite (b) steel (c) brass (d) dry wood
  26. 26.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.Which of these needs an electrical conductor? (a) a hair band (b) a cooking pot handle (c) a tea flask lining (d) the core of a wire
  29. 29.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  30. 30.Which of these needs a transparent material? (a) a boat hull (b) a tea flask lining (c) an umbrella cover (d) a spectacle lens
  31. 31.🧱 Which property matters most for a water tank? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  32. 32.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) wood (d) copper
  33. 33.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.True or false: a yoga mat needs a transparent material. (a) True (b) False
  35. 35.Which of these needs a waterproof material? (a) a skipping rope (b) a cooking pot handle (c) a window pane (d) a boat hull
  36. 36.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  37. 37.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.Which of these needs a heat insulator? (a) a cooking pot handle (b) a magnifier lens (c) a yoga mat (d) a car seat belt
  39. 39.🔍 Which is the odd one out? (a) copper (b) aluminium (c) clay pottery (d) iron
  40. 40.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. a conductor
  2. True
  3. iron
  4. flexible
  5. transparent
  6. a conductor
  7. a conductor
  8. wood or plastic
  9. electrical conductor
  10. flexible
  11. a skipping rope
  12. False
  13. graphite
  14. waterproof
  15. transparent
  16. flexible
  17. waterproof
  18. a hair band
  19. a plug pin
  20. False
  21. False
  22. aluminium
  23. False
  24. steel
  25. dry wood
  26. an insulator
  27. an insulator
  28. the core of a wire
  29. waterproof
  30. a spectacle lens
  31. waterproof
  32. copper
  33. a conductor
  34. False
  35. a boat hull
  36. True
  37. an insulator
  38. a cooking pot handle
  39. clay pottery
  40. a conductor

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