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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 553 · 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 plug pin needs a heat insulator. (a) False (b) True
  2. 2.Which of these needs a waterproof material? (a) a switch contact (b) a car seat belt (c) an oven glove (d) a roof sheet
  3. 3.True or false: a roof sheet needs a heat insulator. (a) False (b) True
  4. 4.True or false: a window pane needs a transparent material. (a) False (b) True
  5. 5.Which of these needs a waterproof material? (a) a skipping rope (b) the core of a wire (c) a water tank (d) a car windscreen
  6. 6.True or false: a raincoat needs a heat insulator. (a) True (b) False
  7. 7.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  8. 8.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) copper (d) rubber
  9. 9.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.Which of these needs an electrical conductor? (a) a roof sheet (b) an oven glove (c) the core of a wire (d) a skipping rope
  11. 11.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) aluminium (d) wood or plastic
  12. 12.True or false: a magnifier lens needs an electrical conductor. (a) True (b) False
  13. 13.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  14. 14.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  15. 15.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  18. 18.🧱 Which property matters most for a switch contact? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  19. 19.🧱 Which property matters most for a hair band? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  20. 20.True or false: a yoga mat needs a transparent material. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) glass (b) graphite (c) steel (d) aluminium
  22. 22.Which of these needs a transparent material? (a) a raincoat (b) a yoga mat (c) a tea flask lining (d) a window pane
  23. 23.🧱 Which property matters most for a water tank? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  24. 24.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.True or false: a skipping rope needs a flexible material. (a) True (b) False
  26. 26.🧱 Which material is best for a window pane? (a) glass (b) steel (c) brick (d) wood
  27. 27.🔍 Which is the odd one out? (a) iron (b) glass (c) cotton cloth (d) dry wood
  28. 28.True or false: a hair band needs a transparent material. (a) True (b) False
  29. 29.🧱 Which property matters most for a raincoat? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  30. 30.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  31. 31.True or false: a car seat belt needs a waterproof material. (a) False (b) True
  32. 32.🧱 Which property matters most for a tea flask lining? (a) transparent (b) electrical conductor (c) flexible (d) heat insulator
  33. 33.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.True or false: a car windscreen needs a flexible material. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) brass (b) iron (c) aluminium (d) cotton cloth
  36. 36.Which of these needs a heat insulator? (a) a tea flask lining (b) a plug pin (c) a raincoat (d) a roof sheet
  37. 37.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) aluminium (d) copper
  38. 38.True or false: a skipping rope needs a waterproof material. (a) True (b) False
  39. 39.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.Which of these needs a flexible material? (a) a switch contact (b) a roof sheet (c) a cooking pot handle (d) a car seat belt

Answer key

  1. False
  2. a roof sheet
  3. False
  4. True
  5. a water tank
  6. False
  7. transparent
  8. copper
  9. a conductor
  10. the core of a wire
  11. wood or plastic
  12. False
  13. waterproof
  14. True
  15. a conductor
  16. a conductor
  17. waterproof
  18. electrical conductor
  19. flexible
  20. False
  21. glass
  22. a window pane
  23. waterproof
  24. a conductor
  25. True
  26. glass
  27. iron
  28. False
  29. waterproof
  30. electrical conductor
  31. False
  32. heat insulator
  33. an insulator
  34. False
  35. cotton cloth
  36. a tea flask lining
  37. clay pottery
  38. False
  39. a conductor
  40. a car seat belt

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