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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 675 · 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 window pane? (a) glass (b) brick (c) wood (d) steel
  2. 2.Which of these needs an electrical conductor? (a) an umbrella cover (b) a skipping rope (c) a switch contact (d) a roof sheet
  3. 3.Which of these needs a flexible material? (a) a magnifier lens (b) an oven glove (c) a switch contact (d) a yoga mat
  4. 4.🔍 Which is the odd one out? (a) glass (b) copper (c) aluminium (d) steel
  5. 5.🔍 Which is the odd one out? (a) steel (b) iron (c) aluminium (d) clay pottery
  6. 6.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) cotton wool (d) plastic-coated cloth
  7. 7.True or false: an oven glove needs a transparent material. (a) False (b) True
  8. 8.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  9. 9.True or false: a window pane needs a waterproof material. (a) True (b) False
  10. 10.True or false: a boat hull needs an electrical conductor. (a) False (b) True
  11. 11.True or false: a boat hull needs a heat insulator. (a) True (b) False
  12. 12.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  13. 13.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.True or false: a switch contact needs a flexible material. (a) True (b) False
  16. 16.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.True or false: a hair band needs a flexible material. (a) True (b) False
  18. 18.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Which property matters most for an oven glove? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  20. 20.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) copper (d) iron
  21. 21.Which of these needs an electrical conductor? (a) a tea flask lining (b) the core of a wire (c) a car windscreen (d) a skipping rope
  22. 22.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  23. 23.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  24. 24.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) plastic (d) steel
  25. 25.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  26. 26.Which of these needs a waterproof material? (a) a water tank (b) an oven glove (c) a window pane (d) a skipping rope
  27. 27.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🧱 Which property matters most for a skipping rope? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  29. 29.🧱 Which property matters most for a roof sheet? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  30. 30.Which of these needs a heat insulator? (a) a switch contact (b) a car seat belt (c) a tea flask lining (d) a roof sheet
  31. 31.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  32. 32.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  33. 33.Which of these needs a waterproof material? (a) a magnifier lens (b) a raincoat (c) a switch contact (d) a window pane
  34. 34.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) steel (b) dry wood (c) aluminium (d) copper
  36. 36.🔍 Which is the odd one out? (a) steel (b) cotton cloth (c) brass (d) iron
  37. 37.True or false: a car windscreen needs a transparent material. (a) True (b) False
  38. 38.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.🧱 Which property matters most for a plug pin? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  40. 40.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator

Answer key

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

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