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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 184 · 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 water tank needs a waterproof material. (a) True (b) False
  2. 2.Which of these needs an electrical conductor? (a) a hair band (b) a car seat belt (c) a boat hull (d) a plug pin
  3. 3.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  4. 4.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) dry wood (d) copper
  5. 5.🔍 Which is the odd one out? (a) rubber (b) plastic (c) brass (d) clay pottery
  6. 6.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  7. 7.True or false: a raincoat needs a waterproof material. (a) False (b) True
  8. 8.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  9. 9.🧱 Which property matters most for a tea flask lining? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  10. 10.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  11. 11.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.True or false: an oven glove needs a transparent material. (a) True (b) False
  13. 13.🧱 Which property matters most for the core of a wire? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  14. 14.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) rubber (d) glass
  15. 15.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cotton wool (d) cardboard
  16. 16.🧱 Which property matters most for a water tank? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  17. 17.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) glass (d) rubber
  18. 18.🔍 Which is the odd one out? (a) iron (b) glass (c) brass (d) aluminium
  19. 19.🧱 Which property matters most for a skipping rope? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  20. 20.🧱 Which property matters most for a car seat belt? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  21. 21.🧱 Which property matters most for a raincoat? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  22. 22.🔍 Which is the odd one out? (a) brass (b) steel (c) plastic (d) graphite
  23. 23.True or false: a yoga mat needs a flexible material. (a) False (b) True
  24. 24.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  25. 25.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.True or false: a tea flask lining needs a flexible material. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) brass (d) graphite
  28. 28.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.Which of these needs an electrical conductor? (a) the core of a wire (b) a car windscreen (c) an oven glove (d) a water tank
  30. 30.Which of these needs a transparent material? (a) a skipping rope (b) a car windscreen (c) a roof sheet (d) a tea flask lining
  31. 31.True or false: a boat hull needs a heat insulator. (a) True (b) False
  32. 32.True or false: an umbrella cover needs a transparent material. (a) False (b) True
  33. 33.Which of these needs a flexible material? (a) a water tank (b) a window pane (c) an umbrella cover (d) a car seat belt
  34. 34.Which of these needs a waterproof material? (a) a window pane (b) a cooking pot handle (c) the core of a wire (d) a raincoat
  35. 35.🔍 Which is the odd one out? (a) graphite (b) dry wood (c) cotton cloth (d) clay pottery
  36. 36.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  37. 37.Which of these needs an electrical conductor? (a) an oven glove (b) a window pane (c) an umbrella cover (d) a switch contact
  38. 38.Which of these needs a heat insulator? (a) a magnifier lens (b) a spectacle lens (c) a switch contact (d) an oven glove
  39. 39.🧱 Which property matters most for a switch contact? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  40. 40.Which of these needs a waterproof material? (a) a plug pin (b) a water tank (c) a spectacle lens (d) the core of a wire

Answer key

  1. True
  2. a plug pin
  3. wood or plastic
  4. copper
  5. brass
  6. waterproof
  7. True
  8. heat insulator
  9. heat insulator
  10. transparent
  11. an insulator
  12. False
  13. electrical conductor
  14. steel
  15. plastic-coated cloth
  16. waterproof
  17. copper
  18. glass
  19. flexible
  20. flexible
  21. waterproof
  22. plastic
  23. True
  24. True
  25. a conductor
  26. False
  27. clay pottery
  28. a conductor
  29. the core of a wire
  30. a car windscreen
  31. False
  32. False
  33. a car seat belt
  34. a raincoat
  35. graphite
  36. transparent
  37. a switch contact
  38. an oven glove
  39. electrical conductor
  40. a water tank

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