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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 515 · 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) copper (b) wood or plastic (c) iron (d) aluminium
  2. 2.True or false: a car windscreen needs a flexible material. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) rubber (b) copper (c) cotton cloth (d) glass
  4. 4.Which of these needs a heat insulator? (a) a yoga mat (b) a raincoat (c) a spectacle lens (d) a cooking pot handle
  5. 5.🧱 Which property matters most for the core of a wire? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  6. 6.🔍 Which is the odd one out? (a) plastic (b) iron (c) rubber (d) dry wood
  7. 7.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Which property matters most for a water tank? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  9. 9.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.Which of these needs a heat insulator? (a) a tea flask lining (b) a boat hull (c) a car seat belt (d) a hair band
  11. 11.Which of these needs an electrical conductor? (a) a spectacle lens (b) the core of a wire (c) a raincoat (d) a magnifier lens
  12. 12.Which of these needs a waterproof material? (a) a car windscreen (b) a raincoat (c) a spectacle lens (d) a magnifier lens
  13. 13.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  15. 15.🔍 Which is the odd one out? (a) steel (b) iron (c) clay pottery (d) copper
  16. 16.Which of these needs a flexible material? (a) a yoga mat (b) the core of a wire (c) an oven glove (d) an umbrella cover
  17. 17.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  19. 19.🧱 Which material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  20. 20.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  21. 21.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  22. 22.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  23. 23.True or false: a plug pin needs a heat insulator. (a) True (b) False
  24. 24.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  25. 25.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  26. 26.Which of these needs an electrical conductor? (a) a plug pin (b) a hair band (c) a skipping rope (d) a raincoat
  27. 27.🧱 Which property matters most for a roof sheet? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  28. 28.Which of these needs a flexible material? (a) a raincoat (b) a car seat belt (c) a cooking pot handle (d) a roof sheet
  29. 29.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) iron (b) plastic (c) brass (d) graphite
  32. 32.🔍 Which is the odd one out? (a) dry wood (b) iron (c) aluminium (d) brass
  33. 33.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  34. 34.🧱 Which property matters most for an oven glove? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  35. 35.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  36. 36.🔍 Which is the odd one out? (a) glass (b) rubber (c) brass (d) clay pottery
  37. 37.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.🧱 Which property matters most for a magnifier lens? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  39. 39.True or false: a water tank needs a heat insulator. (a) True (b) False
  40. 40.🔍 Which is the odd one out? (a) steel (b) glass (c) brass (d) aluminium

Answer key

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

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