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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 52 · 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 property matters most for a window pane? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  2. 2.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.True or false: an umbrella cover needs a heat insulator. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) brass (b) steel (c) copper (d) clay pottery
  5. 5.Which of these needs a waterproof material? (a) a plug pin (b) a switch contact (c) a car windscreen (d) an umbrella cover
  6. 6.True or false: a water tank needs a flexible material. (a) False (b) True
  7. 7.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  8. 8.True or false: a boat hull needs a waterproof material. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) iron (d) aluminium
  10. 10.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.Which of these needs a waterproof material? (a) a switch contact (b) a cooking pot handle (c) a water tank (d) a tea flask lining
  12. 12.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) glass (d) iron
  15. 15.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  17. 17.Which of these needs an electrical conductor? (a) a switch contact (b) a raincoat (c) an oven glove (d) a magnifier lens
  18. 18.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.Which of these needs an electrical conductor? (a) a hair band (b) a boat hull (c) a tea flask lining (d) a plug pin
  20. 20.True or false: a boat hull needs a flexible material. (a) True (b) False
  21. 21.True or false: a car seat belt needs an electrical conductor. (a) True (b) False
  22. 22.Which of these needs a flexible material? (a) a plug pin (b) an umbrella cover (c) a magnifier lens (d) a hair band
  23. 23.🔍 Which is the odd one out? (a) iron (b) aluminium (c) cotton cloth (d) steel
  24. 24.🧱 Which property matters most for a raincoat? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  25. 25.🧱 Which property matters most for a car seat belt? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  26. 26.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  27. 27.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.Which of these needs an electrical conductor? (a) the core of a wire (b) a raincoat (c) a hair band (d) a car seat belt
  29. 29.True or false: a car windscreen needs an electrical conductor. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) glass (d) aluminium
  31. 31.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  32. 32.🔍 Which is the odd one out? (a) dry wood (b) cotton cloth (c) glass (d) steel
  33. 33.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  36. 36.🧱 Which property matters most for a boat hull? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  37. 37.🔍 Which is the odd one out? (a) steel (b) graphite (c) copper (d) plastic
  38. 38.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) glass (d) cotton cloth
  40. 40.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. transparent
  2. a conductor
  3. False
  4. clay pottery
  5. an umbrella cover
  6. False
  7. glass
  8. True
  9. dry wood
  10. a conductor
  11. a water tank
  12. an insulator
  13. a conductor
  14. iron
  15. an insulator
  16. waterproof
  17. a switch contact
  18. an insulator
  19. a plug pin
  20. False
  21. False
  22. a hair band
  23. cotton cloth
  24. waterproof
  25. flexible
  26. heat insulator
  27. an insulator
  28. the core of a wire
  29. False
  30. aluminium
  31. waterproof
  32. steel
  33. an insulator
  34. an insulator
  35. copper
  36. waterproof
  37. plastic
  38. True
  39. brass
  40. a conductor

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