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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 462 · 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) wood or plastic (b) copper (c) iron (d) aluminium
  2. 2.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) copper (d) aluminium
  3. 3.True or false: a plug pin needs a transparent material. (a) False (b) True
  4. 4.Which of these needs a heat insulator? (a) a yoga mat (b) a spectacle lens (c) a cooking pot handle (d) a raincoat
  5. 5.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  6. 6.🔍 Which is the odd one out? (a) dry wood (b) brass (c) aluminium (d) iron
  7. 7.True or false: a roof sheet needs a transparent material. (a) True (b) False
  8. 8.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) brass (d) copper
  10. 10.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  12. 12.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) dry wood (d) iron
  14. 14.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) clay pottery (d) copper
  15. 15.Which of these needs a flexible material? (a) a cooking pot handle (b) a raincoat (c) a tea flask lining (d) a car seat belt
  16. 16.True or false: a hair band needs a flexible material. (a) True (b) False
  17. 17.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  18. 18.🧱 Which material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  19. 19.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Which property matters most for a hair band? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  21. 21.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) plastic (d) steel
  22. 22.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) graphite (d) rubber
  23. 23.True or false: an oven glove needs a transparent material. (a) False (b) True
  24. 24.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🧱 Which property matters most for a magnifier lens? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  26. 26.Which of these needs a flexible material? (a) a cooking pot handle (b) a yoga mat (c) a magnifier lens (d) a spectacle lens
  27. 27.🧱 Which property matters most for a plug pin? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  28. 28.🧱 Which property matters most for a raincoat? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  29. 29.Which of these needs an electrical conductor? (a) a tea flask lining (b) a car windscreen (c) a plug pin (d) a cooking pot handle
  30. 30.🧱 Which property matters most for an umbrella cover? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  31. 31.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  32. 32.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) glass (d) wood
  33. 33.Which of these needs a heat insulator? (a) an oven glove (b) a car windscreen (c) a car seat belt (d) a window pane
  34. 34.Which of these needs a transparent material? (a) a plug pin (b) a magnifier lens (c) a tea flask lining (d) a hair band
  35. 35.True or false: a yoga mat needs a heat insulator. (a) True (b) False
  36. 36.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  37. 37.Which of these needs a heat insulator? (a) a tea flask lining (b) a hair band (c) a boat hull (d) an umbrella cover
  38. 38.True or false: a skipping rope needs a waterproof material. (a) True (b) False
  39. 39.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  40. 40.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. wood or plastic
  2. cotton cloth
  3. False
  4. a cooking pot handle
  5. plastic-coated cloth
  6. dry wood
  7. False
  8. a conductor
  9. clay pottery
  10. a conductor
  11. transparent
  12. False
  13. iron
  14. copper
  15. a car seat belt
  16. True
  17. flexible
  18. glass
  19. an insulator
  20. flexible
  21. steel
  22. graphite
  23. False
  24. a conductor
  25. transparent
  26. a yoga mat
  27. electrical conductor
  28. waterproof
  29. a plug pin
  30. waterproof
  31. waterproof
  32. copper
  33. an oven glove
  34. a magnifier lens
  35. False
  36. True
  37. a tea flask lining
  38. False
  39. heat insulator
  40. an insulator

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