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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 893 · 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 is the odd one out? (a) brass (b) glass (c) graphite (d) copper
  2. 2.True or false: a raincoat needs a waterproof material. (a) True (b) False
  3. 3.Which of these needs a flexible material? (a) a car seat belt (b) a roof sheet (c) a window pane (d) a magnifier lens
  4. 4.Which of these needs a heat insulator? (a) an oven glove (b) a magnifier lens (c) a roof sheet (d) a hair band
  5. 5.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber
  6. 6.🧱 Which material is best for a window pane? (a) steel (b) glass (c) wood (d) brick
  7. 7.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) steel (d) copper
  8. 8.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.Which of these needs a flexible material? (a) a tea flask lining (b) an umbrella cover (c) an oven glove (d) a hair band
  10. 10.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  11. 11.🔍 Which is the odd one out? (a) copper (b) dry wood (c) rubber (d) cotton cloth
  12. 12.🧱 Which property matters most for a water tank? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  13. 13.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) plastic (d) cotton cloth
  15. 15.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) dry wood (d) steel
  16. 16.Which of these needs an electrical conductor? (a) a magnifier lens (b) a boat hull (c) a car seat belt (d) a plug pin
  17. 17.True or false: a water tank needs a waterproof material. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) plastic (d) clay pottery
  19. 19.🧱 Which property matters most for a window pane? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  20. 20.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  23. 23.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🧱 Which property matters most for a hair band? (a) heat insulator (b) electrical conductor (c) flexible (d) transparent
  25. 25.Which of these needs a waterproof material? (a) a skipping rope (b) a switch contact (c) a water tank (d) a spectacle lens
  26. 26.🧱 Which property matters most for a car seat belt? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  27. 27.🔍 Which is the odd one out? (a) plastic (b) copper (c) aluminium (d) iron
  28. 28.True or false: a water tank needs a flexible material. (a) False (b) True
  29. 29.Which of these needs a waterproof material? (a) a tea flask lining (b) a car windscreen (c) a switch contact (d) an umbrella cover
  30. 30.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  31. 31.Which of these needs a transparent material? (a) an oven glove (b) a water tank (c) an umbrella cover (d) a spectacle lens
  32. 32.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  33. 33.🧱 Which property matters most for a switch contact? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  34. 34.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  35. 35.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.🔍 Which is the odd one out? (a) iron (b) aluminium (c) rubber (d) copper
  38. 38.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  39. 39.Which of these needs a transparent material? (a) a hair band (b) an umbrella cover (c) the core of a wire (d) a car windscreen
  40. 40.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. glass
  2. True
  3. a car seat belt
  4. an oven glove
  5. steel
  6. glass
  7. dry wood
  8. an insulator
  9. a hair band
  10. wood or plastic
  11. copper
  12. waterproof
  13. True
  14. aluminium
  15. steel
  16. a plug pin
  17. True
  18. graphite
  19. transparent
  20. a conductor
  21. a conductor
  22. transparent
  23. an insulator
  24. flexible
  25. a water tank
  26. flexible
  27. plastic
  28. False
  29. an umbrella cover
  30. flexible
  31. a spectacle lens
  32. copper
  33. electrical conductor
  34. electrical conductor
  35. an insulator
  36. a conductor
  37. rubber
  38. False
  39. a car windscreen
  40. an insulator

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