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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 627 · 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 is the odd one out? (a) dry wood (b) plastic (c) brass (d) rubber
  2. 2.🔍 Which is the odd one out? (a) graphite (b) rubber (c) iron (d) aluminium
  3. 3.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  4. 4.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  5. 5.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  6. 6.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) clay pottery (d) steel
  7. 7.Which of these needs a waterproof material? (a) a skipping rope (b) a boat hull (c) the core of a wire (d) a yoga mat
  8. 8.🔍 Which is the odd one out? (a) copper (b) steel (c) dry wood (d) iron
  9. 9.True or false: a window pane needs a flexible material. (a) False (b) True
  10. 10.Which of these needs a heat insulator? (a) a plug pin (b) an oven glove (c) a hair band (d) a roof sheet
  11. 11.True or false: a window pane needs an electrical conductor. (a) False (b) True
  12. 12.Which of these needs a flexible material? (a) a water tank (b) a car windscreen (c) the core of a wire (d) a skipping rope
  13. 13.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  14. 14.True or false: a switch contact needs a flexible material. (a) False (b) True
  15. 15.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  16. 16.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Which property matters most for a plug pin? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  18. 18.🔍 Which is the odd one out? (a) glass (b) plastic (c) aluminium (d) rubber
  19. 19.Which of these needs a waterproof material? (a) a switch contact (b) the core of a wire (c) a water tank (d) a skipping rope
  20. 20.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) wood (d) glass
  22. 22.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  23. 23.🧱 Which property matters most for a water tank? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  24. 24.Which of these needs an electrical conductor? (a) a roof sheet (b) a water tank (c) a plug pin (d) a magnifier lens
  25. 25.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) flexible (d) transparent
  27. 27.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.True or false: a switch contact needs a heat insulator. (a) True (b) False
  29. 29.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  30. 30.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  31. 31.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  32. 32.Which of these needs a flexible material? (a) the core of a wire (b) a yoga mat (c) a roof sheet (d) a plug pin
  33. 33.True or false: a car seat belt needs a flexible material. (a) True (b) False
  34. 34.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  35. 35.Which of these needs a waterproof material? (a) a car windscreen (b) an oven glove (c) a hair band (d) a raincoat
  36. 36.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.True or false: a plug pin needs a waterproof material. (a) True (b) False
  39. 39.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  40. 40.🔍 Which is the odd one out? (a) glass (b) dry wood (c) cotton cloth (d) copper

Answer key

  1. brass
  2. rubber
  3. True
  4. True
  5. heat insulator
  6. steel
  7. a boat hull
  8. dry wood
  9. False
  10. an oven glove
  11. False
  12. a skipping rope
  13. False
  14. False
  15. waterproof
  16. an insulator
  17. electrical conductor
  18. aluminium
  19. a water tank
  20. a conductor
  21. copper
  22. False
  23. waterproof
  24. a plug pin
  25. an insulator
  26. transparent
  27. a conductor
  28. False
  29. waterproof
  30. heat insulator
  31. steel
  32. a yoga mat
  33. True
  34. wood or plastic
  35. a raincoat
  36. a conductor
  37. an insulator
  38. False
  39. waterproof
  40. copper

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