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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 587 · 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 glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.Which of these needs an electrical conductor? (a) a car windscreen (b) a window pane (c) the core of a wire (d) a roof sheet
  3. 3.Which of these needs a heat insulator? (a) a switch contact (b) a cooking pot handle (c) a yoga mat (d) a water tank
  4. 4.🧱 Which property matters most for a window pane? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  5. 5.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  7. 7.🔍 Which is the odd one out? (a) graphite (b) glass (c) copper (d) brass
  8. 8.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) clay pottery (b) graphite (c) aluminium (d) copper
  10. 10.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  11. 11.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  12. 12.🧱 Which property matters most for a car windscreen? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  13. 13.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  14. 14.🧱 Which property matters most for a plug pin? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  15. 15.True or false: a cooking pot handle needs a transparent material. (a) True (b) False
  16. 16.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  17. 17.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  18. 18.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  19. 19.🧱 Which material is best for a window pane? (a) brick (b) wood (c) steel (d) glass
  20. 20.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) plastic (d) rubber
  21. 21.Which of these needs a transparent material? (a) a boat hull (b) a window pane (c) a water tank (d) a cooking pot handle
  22. 22.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  23. 23.True or false: a switch contact needs a transparent material. (a) True (b) False
  24. 24.Which of these needs a heat insulator? (a) a tea flask lining (b) a skipping rope (c) a boat hull (d) a switch contact
  25. 25.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.Which of these needs an electrical conductor? (a) a roof sheet (b) a hair band (c) a magnifier lens (d) a switch contact
  27. 27.Which of these needs a transparent material? (a) a skipping rope (b) a cooking pot handle (c) a car windscreen (d) a car seat belt
  28. 28.🔍 Which is the odd one out? (a) brass (b) copper (c) rubber (d) iron
  29. 29.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  32. 32.Which of these needs a waterproof material? (a) an oven glove (b) a raincoat (c) a hair band (d) the core of a wire
  33. 33.Which of these needs an electrical conductor? (a) a plug pin (b) a water tank (c) a yoga mat (d) a roof sheet
  34. 34.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  35. 35.🧱 Which property matters most for a car seat belt? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  36. 36.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) clay pottery (b) cotton cloth (c) plastic (d) iron
  38. 38.Which of these needs a waterproof material? (a) a yoga mat (b) a switch contact (c) a boat hull (d) a plug pin
  39. 39.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  40. 40.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) waterproof (d) transparent

Answer key

  1. an insulator
  2. the core of a wire
  3. a cooking pot handle
  4. transparent
  5. an insulator
  6. electrical conductor
  7. glass
  8. True
  9. clay pottery
  10. steel
  11. flexible
  12. transparent
  13. True
  14. electrical conductor
  15. False
  16. False
  17. wood or plastic
  18. waterproof
  19. glass
  20. copper
  21. a window pane
  22. plastic-coated cloth
  23. False
  24. a tea flask lining
  25. an insulator
  26. a switch contact
  27. a car windscreen
  28. rubber
  29. a conductor
  30. an insulator
  31. False
  32. a raincoat
  33. a plug pin
  34. copper
  35. flexible
  36. True
  37. iron
  38. a boat hull
  39. flexible
  40. flexible

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