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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 418 · 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.True or false: a magnifier lens needs an electrical conductor. (a) True (b) False
  2. 2.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  3. 3.Which of these needs a heat insulator? (a) a tea flask lining (b) a hair band (c) an umbrella cover (d) a plug pin
  4. 4.🧱 Which property matters most for a water tank? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  5. 5.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  7. 7.True or false: the core of a wire needs a waterproof material. (a) False (b) True
  8. 8.Which of these needs a heat insulator? (a) a boat hull (b) a car seat belt (c) a cooking pot handle (d) a yoga mat
  9. 9.Which of these needs a transparent material? (a) a raincoat (b) a plug pin (c) a cooking pot handle (d) a window pane
  10. 10.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  11. 11.True or false: a boat hull needs a waterproof material. (a) True (b) False
  12. 12.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  13. 13.🔍 Which is the odd one out? (a) plastic (b) iron (c) cotton cloth (d) rubber
  14. 14.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.Which of these needs a transparent material? (a) a car seat belt (b) a cooking pot handle (c) a water tank (d) a spectacle lens
  17. 17.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) glass (d) rubber
  18. 18.🧱 Which property matters most for a yoga mat? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  19. 19.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.🧱 Which property matters most for a raincoat? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  24. 24.True or false: a car seat belt needs a transparent material. (a) True (b) False
  25. 25.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  26. 26.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  27. 27.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  28. 28.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.True or false: a window pane needs a waterproof material. (a) False (b) True
  30. 30.True or false: a water tank needs a heat insulator. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) plastic (b) glass (c) clay pottery (d) graphite
  32. 32.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) steel (d) rubber
  33. 33.🧱 Which property matters most for a plug pin? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  34. 34.True or false: a water tank needs a waterproof material. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) dry wood (b) brass (c) graphite (d) copper
  36. 36.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) heat insulator (c) flexible (d) transparent
  37. 37.🧱 Which property matters most for a window pane? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  38. 38.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  39. 39.True or false: a magnifier lens needs a heat insulator. (a) False (b) True
  40. 40.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) waterproof (d) heat insulator

Answer key

  1. False
  2. flexible
  3. a tea flask lining
  4. waterproof
  5. an insulator
  6. wood or plastic
  7. False
  8. a cooking pot handle
  9. a window pane
  10. True
  11. True
  12. plastic-coated cloth
  13. iron
  14. an insulator
  15. a conductor
  16. a spectacle lens
  17. copper
  18. flexible
  19. an insulator
  20. an insulator
  21. a conductor
  22. a conductor
  23. waterproof
  24. False
  25. True
  26. False
  27. True
  28. a conductor
  29. False
  30. False
  31. graphite
  32. steel
  33. electrical conductor
  34. True
  35. dry wood
  36. flexible
  37. transparent
  38. glass
  39. False
  40. transparent

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