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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 167 · 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 transparent material? (a) a skipping rope (b) an umbrella cover (c) a window pane (d) a raincoat
  2. 2.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  3. 3.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  4. 4.True or false: a raincoat needs a transparent material. (a) True (b) False
  5. 5.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  6. 6.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.Which of these needs a waterproof material? (a) a yoga mat (b) a cooking pot handle (c) a boat hull (d) a hair band
  10. 10.🔍 Which is the odd one out? (a) brass (b) copper (c) iron (d) dry wood
  11. 11.True or false: a hair band needs a flexible material. (a) False (b) True
  12. 12.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  13. 13.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.True or false: a hair band needs a waterproof material. (a) True (b) False
  15. 15.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  17. 17.Which of these needs a flexible material? (a) a boat hull (b) a window pane (c) a raincoat (d) a yoga mat
  18. 18.Which of these needs an electrical conductor? (a) a raincoat (b) an umbrella cover (c) a water tank (d) a switch contact
  19. 19.Which of these needs a heat insulator? (a) a car seat belt (b) a boat hull (c) a cooking pot handle (d) a car windscreen
  20. 20.🧱 Which property matters most for a car seat belt? (a) flexible (b) heat insulator (c) electrical conductor (d) transparent
  21. 21.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  22. 22.Which of these needs a waterproof material? (a) a cooking pot handle (b) a window pane (c) an umbrella cover (d) a car seat belt
  23. 23.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) glass (d) copper
  24. 24.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  25. 25.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator
  26. 26.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  28. 28.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.🔍 Which is the odd one out? (a) aluminium (b) steel (c) clay pottery (d) graphite
  30. 30.Which of these needs a transparent material? (a) a car seat belt (b) a water tank (c) a magnifier lens (d) a hair band
  31. 31.🔍 Which is the odd one out? (a) iron (b) aluminium (c) cotton cloth (d) copper
  32. 32.🧱 Which property matters most for a plug pin? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  33. 33.True or false: a yoga mat needs a flexible material. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) dry wood (d) plastic
  35. 35.Which of these needs an electrical conductor? (a) a window pane (b) a roof sheet (c) a cooking pot handle (d) a plug pin
  36. 36.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  37. 37.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  38. 38.🧱 Which material is best for a window pane? (a) wood (b) steel (c) brick (d) glass
  39. 39.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  40. 40.🧱 Which property matters most for a roof sheet? (a) flexible (b) transparent (c) waterproof (d) heat insulator

Answer key

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

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