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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 210 · 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) glass (b) dry wood (c) plastic (d) aluminium
  2. 2.True or false: a roof sheet needs a flexible material. (a) True (b) False
  3. 3.True or false: a plug pin needs a heat insulator. (a) True (b) False
  4. 4.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.Which of these needs a flexible material? (a) a water tank (b) a yoga mat (c) a roof sheet (d) an oven glove
  6. 6.🧱 Which property matters most for a switch contact? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  7. 7.Which of these needs a transparent material? (a) the core of a wire (b) a roof sheet (c) a skipping rope (d) a magnifier lens
  8. 8.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  10. 10.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) aluminium (d) copper
  11. 11.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  12. 12.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  13. 13.🧱 Which material is best for a window pane? (a) brick (b) steel (c) wood (d) glass
  14. 14.Which of these needs a transparent material? (a) a spectacle lens (b) a raincoat (c) an oven glove (d) a roof sheet
  15. 15.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) brass (b) glass (c) copper (d) iron
  17. 17.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.True or false: a hair band needs a heat insulator. (a) True (b) False
  19. 19.🔍 Which is the odd one out? (a) copper (b) graphite (c) aluminium (d) rubber
  20. 20.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  21. 21.True or false: a window pane needs a transparent material. (a) True (b) False
  22. 22.True or false: a yoga mat needs a flexible material. (a) True (b) False
  23. 23.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🔍 Which is the odd one out? (a) graphite (b) steel (c) copper (d) clay pottery
  25. 25.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.True or false: a water tank needs a waterproof material. (a) False (b) True
  28. 28.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  29. 29.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cotton wool (c) cardboard (d) paper
  30. 30.🔍 Which is the odd one out? (a) copper (b) dry wood (c) glass (d) rubber
  31. 31.🔍 Which is the odd one out? (a) dry wood (b) steel (c) brass (d) iron
  32. 32.🧱 Which material is best for the core of an electric wire? (a) copper (b) glass (c) rubber (d) wood
  33. 33.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) graphite (d) rubber
  34. 34.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  35. 35.🧱 Which property matters most for a plug pin? (a) flexible (b) waterproof (c) electrical conductor (d) transparent
  36. 36.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.True or false: a roof sheet needs a heat insulator. (a) True (b) False
  38. 38.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  39. 39.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  40. 40.Which of these needs a waterproof material? (a) a yoga mat (b) an umbrella cover (c) an oven glove (d) a car seat belt

Answer key

  1. aluminium
  2. False
  3. False
  4. a conductor
  5. a yoga mat
  6. electrical conductor
  7. a magnifier lens
  8. a conductor
  9. transparent
  10. wood or plastic
  11. transparent
  12. steel
  13. glass
  14. a spectacle lens
  15. True
  16. glass
  17. a conductor
  18. False
  19. rubber
  20. transparent
  21. True
  22. True
  23. a conductor
  24. clay pottery
  25. an insulator
  26. a conductor
  27. True
  28. True
  29. plastic-coated cloth
  30. copper
  31. dry wood
  32. copper
  33. graphite
  34. False
  35. electrical conductor
  36. an insulator
  37. False
  38. True
  39. True
  40. an umbrella cover

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