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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 976 · 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 plug pin? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  2. 2.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) plastic (d) iron
  3. 3.🧱 Which property matters most for a water tank? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  4. 4.True or false: a roof sheet needs a heat insulator. (a) False (b) True
  5. 5.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  7. 7.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) rubber (d) graphite
  8. 8.True or false: a boat hull needs a flexible material. (a) False (b) True
  9. 9.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🔍 Which is the odd one out? (a) brass (b) steel (c) plastic (d) iron
  11. 11.Which of these needs an electrical conductor? (a) a water tank (b) a car windscreen (c) a cooking pot handle (d) a switch contact
  12. 12.Which of these needs a waterproof material? (a) a spectacle lens (b) a plug pin (c) a boat hull (d) the core of a wire
  13. 13.Which of these needs a transparent material? (a) a hair band (b) the core of a wire (c) a car windscreen (d) a cooking pot handle
  14. 14.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  16. 16.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  17. 17.True or false: a car windscreen needs a transparent material. (a) True (b) False
  18. 18.True or false: a boat hull needs a waterproof material. (a) True (b) False
  19. 19.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  20. 20.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  21. 21.Which of these needs a heat insulator? (a) a car windscreen (b) a tea flask lining (c) a window pane (d) a spectacle lens
  22. 22.True or false: a window pane needs a transparent material. (a) True (b) False
  23. 23.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.Which of these needs a waterproof material? (a) a water tank (b) an oven glove (c) a magnifier lens (d) the core of a wire
  25. 25.🧱 Which material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  26. 26.Which of these needs a flexible material? (a) a plug pin (b) an oven glove (c) a skipping rope (d) a tea flask lining
  27. 27.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) aluminium (d) wood or plastic
  28. 28.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  29. 29.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  30. 30.Which of these needs an electrical conductor? (a) a roof sheet (b) an umbrella cover (c) the core of a wire (d) a water tank
  31. 31.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  32. 32.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.Which of these needs a flexible material? (a) the core of a wire (b) a hair band (c) a switch contact (d) a water tank
  34. 34.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  35. 35.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Which property matters most for a raincoat? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  38. 38.🔍 Which is the odd one out? (a) glass (b) brass (c) clay pottery (d) rubber
  39. 39.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.True or false: an umbrella cover needs a waterproof material. (a) False (b) True

Answer key

  1. electrical conductor
  2. iron
  3. waterproof
  4. False
  5. an insulator
  6. steel
  7. graphite
  8. False
  9. a conductor
  10. plastic
  11. a switch contact
  12. a boat hull
  13. a car windscreen
  14. an insulator
  15. plastic-coated cloth
  16. False
  17. True
  18. True
  19. flexible
  20. heat insulator
  21. a tea flask lining
  22. True
  23. a conductor
  24. a water tank
  25. glass
  26. a skipping rope
  27. wood or plastic
  28. transparent
  29. copper
  30. the core of a wire
  31. waterproof
  32. a conductor
  33. a hair band
  34. True
  35. a conductor
  36. an insulator
  37. waterproof
  38. brass
  39. a conductor
  40. True

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