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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 376 · 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 property matters most for a raincoat? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  2. 2.🔍 Which is the odd one out? (a) brass (b) rubber (c) plastic (d) cotton cloth
  3. 3.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  4. 4.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.Which of these needs a flexible material? (a) an oven glove (b) a water tank (c) a spectacle lens (d) a car seat belt
  6. 6.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  7. 7.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) plastic-coated cloth (d) paper
  9. 9.🧱 Which property matters most for a hair band? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  10. 10.Which of these needs a heat insulator? (a) a plug pin (b) a cooking pot handle (c) a water tank (d) a yoga mat
  11. 11.🔍 Which is the odd one out? (a) brass (b) glass (c) iron (d) aluminium
  12. 12.Which of these needs a waterproof material? (a) the core of a wire (b) a magnifier lens (c) a spectacle lens (d) an umbrella cover
  13. 13.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  14. 14.Which of these needs an electrical conductor? (a) a plug pin (b) a cooking pot handle (c) a boat hull (d) a window pane
  15. 15.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  16. 16.True or false: a switch contact needs a heat insulator. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) plastic (d) graphite
  18. 18.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  19. 19.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  20. 20.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  22. 22.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Which property matters most for a car seat belt? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  24. 24.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) steel (d) rubber
  25. 25.Which of these needs a flexible material? (a) a window pane (b) a skipping rope (c) a boat hull (d) a car windscreen
  26. 26.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) aluminium (d) brass
  27. 27.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🧱 Which property matters most for an oven glove? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  29. 29.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) glass (d) cotton cloth
  30. 30.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) glass (d) dry wood
  31. 31.🧱 Which property matters most for a boat hull? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  32. 32.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  33. 33.🧱 Which property matters most for a yoga mat? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  34. 34.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  36. 36.🧱 Which property matters most for a water tank? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  37. 37.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.Which of these needs a transparent material? (a) a window pane (b) a yoga mat (c) a car seat belt (d) a plug pin
  39. 39.True or false: a spectacle lens needs a flexible material. (a) True (b) False
  40. 40.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof

Answer key

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

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