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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 330 · 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 roof sheet needs a waterproof material. (a) False (b) True
  2. 2.Which of these needs an electrical conductor? (a) the core of a wire (b) a raincoat (c) an oven glove (d) a water tank
  3. 3.🧱 Which property matters most for a boat hull? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  4. 4.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.Which of these needs a transparent material? (a) a boat hull (b) a window pane (c) a cooking pot handle (d) a yoga mat
  6. 6.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) rubber (d) plastic
  7. 7.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Which property matters most for a plug pin? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  9. 9.🧱 Which property matters most for a water tank? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  10. 10.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  11. 11.Which of these needs a flexible material? (a) a boat hull (b) the core of a wire (c) a switch contact (d) a skipping rope
  12. 12.Which of these needs a waterproof material? (a) a roof sheet (b) a cooking pot handle (c) a hair band (d) a skipping rope
  13. 13.Which of these needs a heat insulator? (a) a hair band (b) a tea flask lining (c) a roof sheet (d) a yoga mat
  14. 14.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  16. 16.Which of these needs a heat insulator? (a) an oven glove (b) a raincoat (c) a car windscreen (d) a magnifier lens
  17. 17.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  19. 19.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  20. 20.🧱 Which property matters most for a raincoat? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  21. 21.🧱 Which property matters most for a switch contact? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  22. 22.🔍 Which is the odd one out? (a) rubber (b) copper (c) dry wood (d) cotton cloth
  23. 23.🧱 Which material is best for a window pane? (a) glass (b) steel (c) wood (d) brick
  24. 24.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  25. 25.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.Which of these needs a transparent material? (a) a car windscreen (b) an umbrella cover (c) a tea flask lining (d) a plug pin
  27. 27.True or false: the core of a wire needs a heat insulator. (a) False (b) True
  28. 28.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  29. 29.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) cardboard (d) paper
  30. 30.True or false: an umbrella cover needs an electrical conductor. (a) False (b) True
  31. 31.True or false: a car windscreen needs a transparent material. (a) False (b) True
  32. 32.True or false: a magnifier lens needs a waterproof material. (a) False (b) True
  33. 33.Which of these needs a flexible material? (a) a cooking pot handle (b) a yoga mat (c) a window pane (d) a plug pin
  34. 34.Which of these needs a flexible material? (a) a car seat belt (b) a car windscreen (c) a raincoat (d) a window pane
  35. 35.True or false: a window pane needs a transparent material. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) copper (b) dry wood (c) graphite (d) aluminium
  37. 37.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) brass (b) copper (c) rubber (d) aluminium
  40. 40.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. True
  2. the core of a wire
  3. waterproof
  4. an insulator
  5. a window pane
  6. steel
  7. an insulator
  8. electrical conductor
  9. waterproof
  10. transparent
  11. a skipping rope
  12. a roof sheet
  13. a tea flask lining
  14. a conductor
  15. copper
  16. an oven glove
  17. an insulator
  18. True
  19. True
  20. waterproof
  21. electrical conductor
  22. copper
  23. glass
  24. transparent
  25. a conductor
  26. a car windscreen
  27. False
  28. False
  29. plastic-coated cloth
  30. False
  31. True
  32. False
  33. a yoga mat
  34. a car seat belt
  35. True
  36. dry wood
  37. an insulator
  38. True
  39. rubber
  40. a conductor

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