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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 695 · 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 material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  2. 2.Which of these needs a transparent material? (a) the core of a wire (b) a raincoat (c) a skipping rope (d) a spectacle lens
  3. 3.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.Which of these needs an electrical conductor? (a) a window pane (b) a yoga mat (c) a tea flask lining (d) the core of a wire
  5. 5.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) steel (d) copper
  7. 7.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  8. 8.Which of these needs a transparent material? (a) an umbrella cover (b) a hair band (c) a raincoat (d) a car windscreen
  9. 9.Which of these needs a waterproof material? (a) a cooking pot handle (b) an oven glove (c) a tea flask lining (d) a raincoat
  10. 10.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.True or false: a window pane needs a transparent material. (a) True (b) False
  12. 12.True or false: a skipping rope needs a flexible material. (a) False (b) True
  13. 13.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) copper (d) rubber
  15. 15.Which of these needs an electrical conductor? (a) a switch contact (b) a cooking pot handle (c) a car seat belt (d) a car windscreen
  16. 16.True or false: a plug pin needs a flexible material. (a) False (b) True
  17. 17.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  21. 21.🧱 Which material is best for the core of an electric wire? (a) copper (b) wood (c) rubber (d) glass
  22. 22.🧱 Which property matters most for a car windscreen? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  23. 23.True or false: a roof sheet needs a flexible material. (a) True (b) False
  24. 24.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  25. 25.🧱 Which property matters most for a switch contact? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  26. 26.True or false: a yoga mat needs a transparent material. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) rubber (d) cotton cloth
  28. 28.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  29. 29.🔍 Which is the odd one out? (a) brass (b) iron (c) glass (d) copper
  30. 30.🔍 Which is the odd one out? (a) iron (b) glass (c) plastic (d) dry wood
  31. 31.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  33. 33.🧱 Which property matters most for a magnifier lens? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  34. 34.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  35. 35.Which of these needs a waterproof material? (a) a yoga mat (b) a car seat belt (c) the core of a wire (d) a roof sheet
  36. 36.🔍 Which is the odd one out? (a) brass (b) graphite (c) copper (d) plastic
  37. 37.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  38. 38.🔍 Which is the odd one out? (a) steel (b) plastic (c) rubber (d) glass
  39. 39.Which of these needs a waterproof material? (a) a tea flask lining (b) an umbrella cover (c) a skipping rope (d) a yoga mat
  40. 40.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False

Answer key

  1. wood or plastic
  2. a spectacle lens
  3. a conductor
  4. the core of a wire
  5. a conductor
  6. cotton cloth
  7. waterproof
  8. a car windscreen
  9. a raincoat
  10. a conductor
  11. True
  12. True
  13. an insulator
  14. rubber
  15. a switch contact
  16. False
  17. an insulator
  18. a conductor
  19. an insulator
  20. an insulator
  21. copper
  22. transparent
  23. False
  24. flexible
  25. electrical conductor
  26. False
  27. aluminium
  28. plastic-coated cloth
  29. glass
  30. iron
  31. a conductor
  32. False
  33. transparent
  34. waterproof
  35. a roof sheet
  36. plastic
  37. electrical conductor
  38. steel
  39. an umbrella cover
  40. True

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