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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 597 · 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 the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  3. 3.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  4. 4.True or false: a water tank needs a transparent material. (a) True (b) False
  5. 5.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.Which of these needs a flexible material? (a) a tea flask lining (b) an umbrella cover (c) the core of a wire (d) a yoga mat
  7. 7.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) transparent (c) flexible (d) heat insulator
  8. 8.Which of these needs a waterproof material? (a) a plug pin (b) a spectacle lens (c) a tea flask lining (d) a raincoat
  9. 9.🔍 Which is the odd one out? (a) brass (b) dry wood (c) steel (d) graphite
  10. 10.🧱 Which property matters most for an oven glove? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  11. 11.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  12. 12.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) rubber (d) cotton cloth
  13. 13.True or false: a magnifier lens needs a flexible material. (a) False (b) True
  14. 14.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  15. 15.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  17. 17.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) steel (d) copper
  18. 18.🔍 Which is the odd one out? (a) brass (b) steel (c) copper (d) rubber
  19. 19.Which of these needs a transparent material? (a) a window pane (b) a cooking pot handle (c) an oven glove (d) a switch contact
  20. 20.🔍 Which is the odd one out? (a) aluminium (b) iron (c) glass (d) copper
  21. 21.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) brass (d) copper
  22. 22.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  23. 23.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  24. 24.True or false: a hair band needs a flexible material. (a) True (b) False
  25. 25.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  26. 26.🧱 Which property matters most for a hair band? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  27. 27.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) graphite (d) clay pottery
  28. 28.Which of these needs a heat insulator? (a) a cooking pot handle (b) a magnifier lens (c) a boat hull (d) the core of a wire
  29. 29.Which of these needs an electrical conductor? (a) a raincoat (b) a plug pin (c) a hair band (d) a magnifier lens
  30. 30.🧱 Which material is best for a window pane? (a) brick (b) glass (c) steel (d) wood
  31. 31.True or false: a car seat belt needs a flexible material. (a) True (b) False
  32. 32.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  33. 33.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) aluminium (d) wood or plastic
  34. 34.True or false: a skipping rope needs a flexible material. (a) True (b) False
  35. 35.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🔍 Which is the odd one out? (a) graphite (b) steel (c) plastic (d) copper
  37. 37.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  38. 38.True or false: a boat hull needs a waterproof material. (a) True (b) False
  39. 39.Which of these needs an electrical conductor? (a) a switch contact (b) a car seat belt (c) a hair band (d) a boat hull
  40. 40.Which of these needs a flexible material? (a) an oven glove (b) a roof sheet (c) the core of a wire (d) a car seat belt

Answer key

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

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