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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 600 · 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.True or false: a skipping rope needs a transparent material. (a) True (b) False
  2. 2.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) brass (d) dry wood
  4. 4.True or false: a water tank needs a flexible material. (a) False (b) True
  5. 5.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  6. 6.Which of these needs a transparent material? (a) a roof sheet (b) the core of a wire (c) an umbrella cover (d) a magnifier lens
  7. 7.Which of these needs a waterproof material? (a) an umbrella cover (b) a car windscreen (c) a skipping rope (d) a spectacle lens
  8. 8.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) glass (d) wood
  9. 9.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  10. 10.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.Which of these needs a waterproof material? (a) a plug pin (b) a hair band (c) a window pane (d) a water tank
  12. 12.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  14. 14.Which of these needs an electrical conductor? (a) a plug pin (b) a spectacle lens (c) an oven glove (d) a skipping rope
  15. 15.Which of these needs a heat insulator? (a) a water tank (b) a switch contact (c) a cooking pot handle (d) a car seat belt
  16. 16.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.True or false: a skipping rope needs a flexible material. (a) True (b) False
  18. 18.Which of these needs a waterproof material? (a) a cooking pot handle (b) a plug pin (c) a car seat belt (d) a raincoat
  19. 19.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  20. 20.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  21. 21.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) glass (d) cotton cloth
  22. 22.🔍 Which is the odd one out? (a) steel (b) cotton cloth (c) aluminium (d) copper
  23. 23.Which of these needs a waterproof material? (a) a cooking pot handle (b) a car seat belt (c) a boat hull (d) a car windscreen
  24. 24.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) steel (d) rubber
  25. 25.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🔍 Which is the odd one out? (a) rubber (b) graphite (c) glass (d) dry wood
  27. 27.Which of these needs a transparent material? (a) a water tank (b) a cooking pot handle (c) a car windscreen (d) a yoga mat
  28. 28.🧱 Which property matters most for a roof sheet? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  29. 29.🧱 Which property matters most for a water tank? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  30. 30.True or false: a magnifier lens 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 material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  33. 33.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  34. 34.🧱 Which property matters most for a yoga mat? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  35. 35.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🔍 Which is the odd one out? (a) iron (b) graphite (c) brass (d) dry wood
  37. 37.🧱 Which property matters most for a window pane? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  38. 38.🧱 Which property matters most for a switch contact? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  39. 39.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. False
  2. True
  3. brass
  4. False
  5. flexible
  6. a magnifier lens
  7. an umbrella cover
  8. copper
  9. True
  10. an insulator
  11. a water tank
  12. a conductor
  13. electrical conductor
  14. a plug pin
  15. a cooking pot handle
  16. a conductor
  17. True
  18. a raincoat
  19. waterproof
  20. heat insulator
  21. aluminium
  22. cotton cloth
  23. a boat hull
  24. steel
  25. a conductor
  26. graphite
  27. a car windscreen
  28. waterproof
  29. waterproof
  30. True
  31. a conductor
  32. glass
  33. False
  34. flexible
  35. a conductor
  36. dry wood
  37. transparent
  38. electrical conductor
  39. an insulator
  40. a conductor

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