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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 365 · 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 property matters most for a water tank? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  2. 2.Which of these needs an electrical conductor? (a) a magnifier lens (b) a car seat belt (c) a switch contact (d) a yoga mat
  3. 3.True or false: an oven glove needs a transparent material. (a) False (b) True
  4. 4.🔍 Which is the odd one out? (a) iron (b) plastic (c) brass (d) copper
  5. 5.Which of these needs a flexible material? (a) an umbrella cover (b) a window pane (c) a switch contact (d) a car seat belt
  6. 6.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  7. 7.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) glass (d) iron
  8. 8.Which of these needs a waterproof material? (a) a raincoat (b) a hair band (c) an oven glove (d) a switch contact
  9. 9.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  13. 13.🔍 Which is the odd one out? (a) copper (b) brass (c) clay pottery (d) iron
  14. 14.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  15. 15.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🔍 Which is the odd one out? (a) brass (b) dry wood (c) copper (d) aluminium
  17. 17.Which of these needs a transparent material? (a) an umbrella cover (b) a window pane (c) a car seat belt (d) a yoga mat
  18. 18.Which of these needs an electrical conductor? (a) an umbrella cover (b) a roof sheet (c) the core of a wire (d) a water tank
  19. 19.🧱 Which property matters most for a boat hull? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  20. 20.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) copper (d) plastic
  21. 21.True or false: a switch contact needs a waterproof material. (a) False (b) True
  22. 22.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  23. 23.🧱 Which material is best for a window pane? (a) wood (b) steel (c) brick (d) glass
  24. 24.🧱 Which property matters most for a skipping rope? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  25. 25.🧱 Which property matters most for a yoga mat? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  26. 26.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  27. 27.🧱 Which property matters most for the core of a wire? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  28. 28.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) plastic (d) brass
  29. 29.Which of these needs a waterproof material? (a) a car windscreen (b) a switch contact (c) a boat hull (d) a spectacle lens
  30. 30.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  31. 31.🧱 Which property matters most for a raincoat? (a) flexible (b) waterproof (c) electrical conductor (d) transparent
  32. 32.🧱 Which property matters most for a car seat belt? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  33. 33.Which of these needs an electrical conductor? (a) a plug pin (b) a water tank (c) a cooking pot handle (d) a car seat belt
  34. 34.🔍 Which is the odd one out? (a) copper (b) aluminium (c) iron (d) rubber
  35. 35.🧱 Which property matters most for a hair band? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  36. 36.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.True or false: a water tank needs a heat insulator. (a) True (b) False
  38. 38.Which of these needs a transparent material? (a) a water tank (b) an umbrella cover (c) a spectacle lens (d) a cooking pot handle
  39. 39.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  40. 40.🧱 Which property matters most for an oven glove? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof

Answer key

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

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