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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 598 · 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.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) plastic (d) rubber
  3. 3.True or false: a raincoat needs a waterproof material. (a) True (b) False
  4. 4.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) cotton wool (d) plastic-coated cloth
  5. 5.Which of these needs a transparent material? (a) a window pane (b) a roof sheet (c) a boat hull (d) a tea flask lining
  6. 6.Which of these needs a waterproof material? (a) the core of a wire (b) a switch contact (c) a window pane (d) a boat hull
  7. 7.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  8. 8.Which of these needs an electrical conductor? (a) a hair band (b) a window pane (c) the core of a wire (d) a tea flask lining
  9. 9.🔍 Which is the odd one out? (a) copper (b) clay pottery (c) rubber (d) plastic
  10. 10.True or false: a car windscreen needs a transparent material. (a) False (b) True
  11. 11.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  13. 13.Which of these needs a heat insulator? (a) a window pane (b) an umbrella cover (c) an oven glove (d) a roof sheet
  14. 14.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  15. 15.Which of these needs a transparent material? (a) a boat hull (b) a spectacle lens (c) a raincoat (d) a cooking pot handle
  16. 16.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.True or false: a car seat belt needs an electrical conductor. (a) True (b) False
  18. 18.Which of these needs a waterproof material? (a) an oven glove (b) a car windscreen (c) a yoga mat (d) a roof sheet
  19. 19.🔍 Which is the odd one out? (a) plastic (b) rubber (c) glass (d) steel
  20. 20.🧱 Which property matters most for a boat hull? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  21. 21.True or false: a car seat belt needs a heat insulator. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) aluminium (b) copper (c) steel (d) rubber
  23. 23.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  24. 24.🧱 Which property matters most for a water tank? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  25. 25.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  26. 26.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🔍 Which is the odd one out? (a) copper (b) brass (c) glass (d) aluminium
  28. 28.🧱 Which property matters most for an oven glove? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  29. 29.🔍 Which is the odd one out? (a) copper (b) aluminium (c) dry wood (d) graphite
  30. 30.Which of these needs a waterproof material? (a) a tea flask lining (b) a car windscreen (c) a window pane (d) an umbrella cover
  31. 31.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.True or false: a water tank needs an electrical conductor. (a) False (b) True
  33. 33.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  34. 34.True or false: a car windscreen needs an electrical conductor. (a) True (b) False
  35. 35.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  37. 37.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  38. 38.Which of these needs a transparent material? (a) an oven glove (b) a car windscreen (c) the core of a wire (d) a cooking pot handle
  39. 39.True or false: a water tank needs a flexible material. (a) False (b) True
  40. 40.True or false: an umbrella cover needs a flexible material. (a) False (b) True

Answer key

  1. an insulator
  2. steel
  3. True
  4. plastic-coated cloth
  5. a window pane
  6. a boat hull
  7. heat insulator
  8. the core of a wire
  9. copper
  10. True
  11. a conductor
  12. transparent
  13. an oven glove
  14. copper
  15. a spectacle lens
  16. a conductor
  17. False
  18. a roof sheet
  19. steel
  20. waterproof
  21. False
  22. rubber
  23. True
  24. waterproof
  25. wood or plastic
  26. an insulator
  27. glass
  28. heat insulator
  29. dry wood
  30. an umbrella cover
  31. an insulator
  32. False
  33. flexible
  34. False
  35. an insulator
  36. flexible
  37. False
  38. a car windscreen
  39. False
  40. False

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