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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 603 · 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 is the odd one out? (a) steel (b) brass (c) graphite (d) plastic
  2. 2.True or false: a window pane needs a flexible material. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) dry wood (b) glass (c) rubber (d) brass
  4. 4.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) iron (d) wood or plastic
  5. 5.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which property matters most for a boat hull? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  7. 7.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  9. 9.🔍 Which is the odd one out? (a) glass (b) aluminium (c) copper (d) iron
  10. 10.True or false: a boat hull needs a waterproof material. (a) True (b) False
  11. 11.🧱 Which material is best for a window pane? (a) glass (b) steel (c) brick (d) wood
  12. 12.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) cotton cloth (d) copper
  13. 13.Which of these needs a waterproof material? (a) a raincoat (b) a yoga mat (c) an oven glove (d) a window pane
  14. 14.🧱 Which property matters most for a skipping rope? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  15. 15.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.Which of these needs a heat insulator? (a) a water tank (b) a cooking pot handle (c) a plug pin (d) a roof sheet
  17. 17.🧱 Which property matters most for a yoga mat? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  18. 18.🔍 Which is the odd one out? (a) rubber (b) iron (c) plastic (d) clay pottery
  19. 19.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) aluminium (d) glass
  21. 21.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  22. 22.True or false: a tea flask lining needs a flexible material. (a) False (b) True
  23. 23.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.Which of these needs a waterproof material? (a) a plug pin (b) a switch contact (c) a window pane (d) a water tank
  25. 25.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  26. 26.True or false: a roof sheet needs a flexible material. (a) False (b) True
  27. 27.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  29. 29.True or false: a skipping rope needs a flexible material. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) graphite (b) dry wood (c) aluminium (d) copper
  31. 31.Which of these needs a transparent material? (a) a skipping rope (b) the core of a wire (c) a water tank (d) a window pane
  32. 32.Which of these needs a waterproof material? (a) the core of a wire (b) a spectacle lens (c) a roof sheet (d) an oven glove
  33. 33.🔍 Which is the odd one out? (a) iron (b) rubber (c) aluminium (d) copper
  34. 34.🔍 Which is the odd one out? (a) glass (b) dry wood (c) steel (d) plastic
  35. 35.Which of these needs a flexible material? (a) a boat hull (b) a car seat belt (c) a switch contact (d) a raincoat
  36. 36.Which of these needs a flexible material? (a) a boat hull (b) a car windscreen (c) a yoga mat (d) a raincoat
  37. 37.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  40. 40.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False

Answer key

  1. plastic
  2. False
  3. brass
  4. wood or plastic
  5. a conductor
  6. waterproof
  7. an insulator
  8. plastic-coated cloth
  9. glass
  10. True
  11. glass
  12. copper
  13. a raincoat
  14. flexible
  15. an insulator
  16. a cooking pot handle
  17. flexible
  18. iron
  19. an insulator
  20. aluminium
  21. transparent
  22. False
  23. a conductor
  24. a water tank
  25. copper
  26. False
  27. a conductor
  28. waterproof
  29. True
  30. dry wood
  31. a window pane
  32. a roof sheet
  33. rubber
  34. steel
  35. a car seat belt
  36. a yoga mat
  37. an insulator
  38. a conductor
  39. True
  40. False

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