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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 454 · 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 aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.True or false: a hair band needs a flexible material. (a) False (b) True
  3. 3.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  4. 4.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  5. 5.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  7. 7.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  8. 8.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) dry wood (d) graphite
  9. 9.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  10. 10.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  11. 11.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  12. 12.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.True or false: a car windscreen needs a transparent material. (a) True (b) False
  15. 15.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  16. 16.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) rubber (d) glass
  17. 17.Which of these needs a transparent material? (a) a cooking pot handle (b) a roof sheet (c) a car windscreen (d) a tea flask lining
  18. 18.Which of these needs an electrical conductor? (a) a magnifier lens (b) the core of a wire (c) a raincoat (d) a spectacle lens
  19. 19.🧱 Which property matters most for a water tank? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  20. 20.Which of these needs a heat insulator? (a) a hair band (b) a water tank (c) a boat hull (d) a tea flask lining
  21. 21.Which of these needs a transparent material? (a) the core of a wire (b) a tea flask lining (c) a raincoat (d) a spectacle lens
  22. 22.Which of these needs a waterproof material? (a) a window pane (b) a plug pin (c) a boat hull (d) a hair band
  23. 23.🔍 Which is the odd one out? (a) iron (b) aluminium (c) copper (d) glass
  24. 24.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  25. 25.True or false: a yoga mat needs a flexible material. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) plastic (d) aluminium
  27. 27.True or false: the core of a wire needs a transparent material. (a) True (b) False
  28. 28.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.Which of these needs a heat insulator? (a) a car windscreen (b) a car seat belt (c) an oven glove (d) a hair band
  31. 31.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🔍 Which is the odd one out? (a) steel (b) plastic (c) iron (d) copper
  33. 33.Which of these needs a transparent material? (a) an umbrella cover (b) a window pane (c) a hair band (d) an oven glove
  34. 34.Which of these needs a waterproof material? (a) a tea flask lining (b) a window pane (c) a spectacle lens (d) a raincoat
  35. 35.True or false: a water tank needs a waterproof material. (a) True (b) False
  36. 36.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Which property matters most for a spectacle lens? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  38. 38.🔍 Which is the odd one out? (a) iron (b) graphite (c) clay pottery (d) steel
  39. 39.Which of these needs a flexible material? (a) a plug pin (b) a yoga mat (c) a magnifier lens (d) a tea flask lining
  40. 40.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) glass (d) dry wood

Answer key

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

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