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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 697 · 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) aluminium (b) iron (c) copper (d) wood or plastic
  2. 2.🧱 Which property matters most for a switch contact? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  3. 3.🔍 Which is the odd one out? (a) plastic (b) iron (c) cotton cloth (d) clay pottery
  4. 4.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  6. 6.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  9. 9.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.Which of these needs a transparent material? (a) a skipping rope (b) a roof sheet (c) a window pane (d) a boat hull
  11. 11.🔍 Which is the odd one out? (a) copper (b) dry wood (c) glass (d) clay pottery
  12. 12.🧱 Which property matters most for a roof sheet? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  13. 13.Which of these needs a waterproof material? (a) a water tank (b) a switch contact (c) the core of a wire (d) a window pane
  14. 14.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🔍 Which is the odd one out? (a) copper (b) brass (c) rubber (d) iron
  17. 17.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) copper (d) iron
  18. 18.Which of these needs a waterproof material? (a) a car windscreen (b) a skipping rope (c) a boat hull (d) a magnifier lens
  19. 19.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  20. 20.True or false: an umbrella cover needs a transparent material. (a) False (b) True
  21. 21.True or false: a plug pin needs a transparent material. (a) False (b) True
  22. 22.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  23. 23.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  24. 24.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  25. 25.Which of these needs a transparent material? (a) a boat hull (b) a car windscreen (c) a roof sheet (d) a plug pin
  26. 26.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) rubber (b) plastic (c) glass (d) aluminium
  28. 28.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  29. 29.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) paper (d) cardboard
  30. 30.True or false: a plug pin needs a flexible material. (a) False (b) True
  31. 31.Which of these needs a flexible material? (a) a cooking pot handle (b) an umbrella cover (c) an oven glove (d) a hair band
  32. 32.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  33. 33.Which of these needs a heat insulator? (a) a tea flask lining (b) a switch contact (c) a plug pin (d) a raincoat
  34. 34.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a hair band? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  36. 36.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) clay pottery (d) brass
  37. 37.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) graphite (d) dry wood
  38. 38.Which of these needs a waterproof material? (a) a window pane (b) an oven glove (c) an umbrella cover (d) a switch contact
  39. 39.Which of these needs a waterproof material? (a) a tea flask lining (b) an oven glove (c) a raincoat (d) a switch contact
  40. 40.Which of these needs an electrical conductor? (a) the core of a wire (b) a car seat belt (c) a window pane (d) a boat hull

Answer key

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

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