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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 484 · 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 brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  3. 3.🧱 Which property matters most for a plug pin? (a) waterproof (b) heat insulator (c) flexible (d) electrical conductor
  4. 4.🔍 Which is the odd one out? (a) iron (b) graphite (c) brass (d) dry wood
  5. 5.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) glass (d) plastic
  6. 6.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel
  7. 7.Which of these needs a waterproof material? (a) a switch contact (b) a roof sheet (c) a tea flask lining (d) a car seat belt
  8. 8.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) glass (d) copper
  9. 9.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.True or false: a window pane needs a transparent material. (a) False (b) True
  11. 11.Which of these needs a waterproof material? (a) a raincoat (b) a car seat belt (c) a plug pin (d) a hair band
  12. 12.Which of these needs a heat insulator? (a) a skipping rope (b) a cooking pot handle (c) a yoga mat (d) a car seat belt
  13. 13.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🧱 Which property matters most for a spectacle lens? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  15. 15.Which of these needs a waterproof material? (a) a window pane (b) a water tank (c) the core of a wire (d) a cooking pot handle
  16. 16.🔍 Which is the odd one out? (a) aluminium (b) glass (c) brass (d) iron
  17. 17.🔍 Which is the odd one out? (a) aluminium (b) copper (c) clay pottery (d) iron
  18. 18.🔍 Which is the odd one out? (a) steel (b) aluminium (c) graphite (d) rubber
  19. 19.🧱 Which property matters most for a water tank? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  20. 20.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) rubber (d) copper
  22. 22.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Which property matters most for a skipping rope? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  24. 24.🧱 Which property matters most for an umbrella cover? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  25. 25.🧱 Which material is best for a window pane? (a) glass (b) wood (c) brick (d) steel
  26. 26.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) rubber (d) clay pottery
  27. 27.Which of these needs an electrical conductor? (a) the core of a wire (b) a window pane (c) a yoga mat (d) a boat hull
  28. 28.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  29. 29.True or false: a yoga mat needs a flexible material. (a) False (b) True
  30. 30.🧱 Which property matters most for the core of a wire? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  31. 31.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) clay pottery (d) graphite
  32. 32.🔍 Which is the odd one out? (a) copper (b) iron (c) aluminium (d) plastic
  33. 33.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🔍 Which is the odd one out? (a) copper (b) steel (c) aluminium (d) cotton cloth
  35. 35.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.True or false: a roof sheet needs a heat insulator. (a) True (b) False
  37. 37.True or false: a yoga mat needs a heat insulator. (a) False (b) True
  38. 38.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  39. 39.Which of these needs a flexible material? (a) a cooking pot handle (b) a car seat belt (c) a roof sheet (d) a window pane
  40. 40.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator

Answer key

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

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