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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 266 · 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) dry wood (b) brass (c) graphite (d) iron
  2. 2.🧱 Which material is best for a window pane? (a) steel (b) glass (c) wood (d) brick
  3. 3.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a magnifier lens (c) the core of a wire (d) a boat hull
  4. 4.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) plastic (d) rubber
  6. 6.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) iron (d) graphite
  7. 7.True or false: a tea flask lining needs a transparent material. (a) True (b) False
  8. 8.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🔍 Which is the odd one out? (a) graphite (b) copper (c) brass (d) rubber
  10. 10.True or false: a water tank needs a heat insulator. (a) False (b) True
  11. 11.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  13. 13.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Which property matters most for a boat hull? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  16. 16.🔍 Which is the odd one out? (a) steel (b) brass (c) graphite (d) clay pottery
  17. 17.Which of these needs an electrical conductor? (a) a switch contact (b) a cooking pot handle (c) a raincoat (d) a yoga mat
  18. 18.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🔍 Which is the odd one out? (a) cotton cloth (b) steel (c) dry wood (d) glass
  20. 20.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  21. 21.🧱 Which property matters most for a water tank? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  22. 22.🧱 Which property matters most for a car windscreen? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  23. 23.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  24. 24.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  25. 25.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  26. 26.Which of these needs a waterproof material? (a) a hair band (b) a raincoat (c) a tea flask lining (d) a cooking pot handle
  27. 27.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) iron (d) copper
  28. 28.True or false: an umbrella cover needs a flexible material. (a) False (b) True
  29. 29.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) wood (d) glass
  30. 30.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  31. 31.🧱 Which property matters most for the core of a wire? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  32. 32.Which of these needs a heat insulator? (a) a magnifier lens (b) an oven glove (c) a raincoat (d) a yoga mat
  33. 33.🧱 Which property matters most for a window pane? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  34. 34.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  35. 35.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  37. 37.Which of these needs a transparent material? (a) a tea flask lining (b) a yoga mat (c) a hair band (d) a window pane
  38. 38.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) plastic (d) glass
  39. 39.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  40. 40.Which of these needs an electrical conductor? (a) a magnifier lens (b) a plug pin (c) a cooking pot handle (d) an oven glove

Answer key

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

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