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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 212 · 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) steel (b) brick (c) wood (d) glass
  2. 2.🧱 Which property matters most for a roof sheet? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  3. 3.True or false: a boat hull needs a waterproof material. (a) False (b) True
  4. 4.True or false: a roof sheet needs a transparent material. (a) False (b) True
  5. 5.Which of these needs a transparent material? (a) a window pane (b) a plug pin (c) an oven glove (d) a roof sheet
  6. 6.Which of these needs a heat insulator? (a) a raincoat (b) a plug pin (c) a tea flask lining (d) a car seat belt
  7. 7.Which of these needs a transparent material? (a) a switch contact (b) a spectacle lens (c) a boat hull (d) a raincoat
  8. 8.Which of these needs a flexible material? (a) a plug pin (b) a skipping rope (c) a car windscreen (d) a window pane
  9. 9.Which of these needs a heat insulator? (a) a switch contact (b) a raincoat (c) a skipping rope (d) an oven glove
  10. 10.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cotton wool (c) paper (d) cardboard
  12. 12.True or false: an umbrella cover needs an electrical conductor. (a) False (b) True
  13. 13.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  14. 14.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.Which of these needs an electrical conductor? (a) a water tank (b) a plug pin (c) a yoga mat (d) a hair band
  16. 16.Which of these needs a flexible material? (a) a raincoat (b) a tea flask lining (c) a yoga mat (d) a spectacle lens
  17. 17.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  18. 18.Which of these needs a waterproof material? (a) a magnifier lens (b) a roof sheet (c) a tea flask lining (d) a car seat belt
  19. 19.Which of these needs a waterproof material? (a) a raincoat (b) a car seat belt (c) a hair band (d) a yoga mat
  20. 20.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  21. 21.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  23. 23.🔍 Which is the odd one out? (a) copper (b) aluminium (c) dry wood (d) steel
  24. 24.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  25. 25.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) copper (d) iron
  26. 26.True or false: a car windscreen needs a flexible material. (a) True (b) False
  27. 27.🧱 Which property matters most for a spectacle lens? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  28. 28.🧱 Which property matters most for a boat hull? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  29. 29.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.True or false: a raincoat needs a waterproof material. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) graphite (b) copper (c) iron (d) clay pottery
  33. 33.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  34. 34.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🔍 Which is the odd one out? (a) iron (b) rubber (c) steel (d) copper
  36. 36.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) steel (d) glass
  38. 38.True or false: an umbrella cover needs a heat insulator. (a) True (b) False
  39. 39.🧱 Which property matters most for a yoga mat? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  40. 40.Which of these needs a flexible material? (a) a tea flask lining (b) a hair band (c) a spectacle lens (d) a switch contact

Answer key

  1. glass
  2. waterproof
  3. True
  4. False
  5. a window pane
  6. a tea flask lining
  7. a spectacle lens
  8. a skipping rope
  9. an oven glove
  10. a conductor
  11. plastic-coated cloth
  12. False
  13. waterproof
  14. a conductor
  15. a plug pin
  16. a yoga mat
  17. copper
  18. a roof sheet
  19. a raincoat
  20. False
  21. an insulator
  22. transparent
  23. dry wood
  24. True
  25. wood or plastic
  26. False
  27. transparent
  28. waterproof
  29. a conductor
  30. an insulator
  31. True
  32. clay pottery
  33. heat insulator
  34. a conductor
  35. rubber
  36. an insulator
  37. steel
  38. False
  39. flexible
  40. a hair band

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