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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 414 · 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 the bars inside concrete? (a) glass (b) steel (c) rubber (d) plastic
  2. 2.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  3. 3.Which of these needs a heat insulator? (a) a boat hull (b) a water tank (c) a roof sheet (d) a cooking pot handle
  4. 4.🧱 Which property matters most for a spectacle lens? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  5. 5.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) copper (d) iron
  6. 6.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which property matters most for a car windscreen? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  8. 8.Which of these needs a flexible material? (a) a hair band (b) an umbrella cover (c) a tea flask lining (d) the core of a wire
  9. 9.True or false: a magnifier lens needs a flexible material. (a) False (b) True
  10. 10.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  11. 11.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) rubber (d) copper
  13. 13.🔍 Which is the odd one out? (a) graphite (b) plastic (c) copper (d) iron
  14. 14.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  15. 15.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) iron (d) cotton cloth
  16. 16.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) dry wood (d) iron
  18. 18.🧱 Which property matters most for a switch contact? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  19. 19.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  20. 20.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Which property matters most for the core of a wire? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  22. 22.Which of these needs a waterproof material? (a) a skipping rope (b) a plug pin (c) a raincoat (d) a car seat belt
  23. 23.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  26. 26.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  27. 27.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  28. 28.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  29. 29.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  30. 30.True or false: a car windscreen needs a transparent material. (a) False (b) True
  31. 31.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Which property matters most for an oven glove? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  33. 33.Which of these needs a flexible material? (a) a window pane (b) the core of a wire (c) a switch contact (d) a car seat belt
  34. 34.🔍 Which is the odd one out? (a) steel (b) cotton cloth (c) clay pottery (d) glass
  35. 35.Which of these needs a transparent material? (a) a water tank (b) a car seat belt (c) a roof sheet (d) a magnifier lens
  36. 36.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Which property matters most for a hair band? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  38. 38.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  39. 39.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) steel (d) aluminium
  40. 40.Which of these needs a flexible material? (a) a skipping rope (b) a car windscreen (c) a window pane (d) a raincoat

Answer key

  1. steel
  2. waterproof
  3. a cooking pot handle
  4. transparent
  5. wood or plastic
  6. a conductor
  7. transparent
  8. a hair band
  9. False
  10. waterproof
  11. True
  12. copper
  13. plastic
  14. glass
  15. iron
  16. True
  17. dry wood
  18. electrical conductor
  19. True
  20. a conductor
  21. electrical conductor
  22. a raincoat
  23. an insulator
  24. a conductor
  25. transparent
  26. copper
  27. heat insulator
  28. electrical conductor
  29. waterproof
  30. True
  31. a conductor
  32. heat insulator
  33. a car seat belt
  34. steel
  35. a magnifier lens
  36. an insulator
  37. flexible
  38. transparent
  39. clay pottery
  40. a skipping rope

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