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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 582 · 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 switch contact needs an electrical conductor. (a) False (b) True
  2. 2.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  3. 3.Which of these needs a heat insulator? (a) a car windscreen (b) a switch contact (c) a cooking pot handle (d) a window pane
  4. 4.Which of these needs an electrical conductor? (a) a car seat belt (b) a tea flask lining (c) a spectacle lens (d) the core of a wire
  5. 5.🔍 Which is the odd one out? (a) plastic (b) brass (c) glass (d) cotton cloth
  6. 6.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🔍 Which is the odd one out? (a) steel (b) aluminium (c) dry wood (d) iron
  8. 8.🔍 Which is the odd one out? (a) steel (b) copper (c) plastic (d) aluminium
  9. 9.🔍 Which is the odd one out? (a) copper (b) brass (c) graphite (d) rubber
  10. 10.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  12. 12.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  13. 13.Which of these needs a waterproof material? (a) a window pane (b) a raincoat (c) a car windscreen (d) a tea flask lining
  14. 14.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  15. 15.🧱 Which property matters most for a raincoat? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  16. 16.🧱 Which property matters most for the core of a wire? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  17. 17.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  18. 18.Which of these needs a transparent material? (a) a window pane (b) a roof sheet (c) a plug pin (d) an umbrella cover
  19. 19.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) glass (d) rubber
  20. 20.🧱 Which property matters most for a switch contact? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  21. 21.🧱 Which material is best for a window pane? (a) glass (b) brick (c) steel (d) wood
  22. 22.True or false: a car seat belt needs a flexible material. (a) False (b) True
  23. 23.🧱 Which property matters most for a water tank? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  24. 24.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  25. 25.Which of these needs a flexible material? (a) a plug pin (b) a hair band (c) a tea flask lining (d) the core of a wire
  26. 26.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  27. 27.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.True or false: a tea flask lining needs a transparent material. (a) True (b) False
  29. 29.Which of these needs a flexible material? (a) a water tank (b) a cooking pot handle (c) a skipping rope (d) a plug pin
  30. 30.Which of these needs an electrical conductor? (a) a switch contact (b) a cooking pot handle (c) a roof sheet (d) a hair band
  31. 31.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  32. 32.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  33. 33.Which of these needs an electrical conductor? (a) a plug pin (b) a skipping rope (c) a tea flask lining (d) a car seat belt
  34. 34.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  35. 35.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) cotton cloth (b) iron (c) rubber (d) clay pottery
  37. 37.True or false: a boat hull needs a waterproof material. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) plastic (b) rubber (c) graphite (d) glass
  39. 39.True or false: the core of a wire needs a heat insulator. (a) False (b) True
  40. 40.Which of these needs a flexible material? (a) a roof sheet (b) a water tank (c) an umbrella cover (d) a yoga mat

Answer key

  1. True
  2. True
  3. a cooking pot handle
  4. the core of a wire
  5. brass
  6. a conductor
  7. dry wood
  8. plastic
  9. rubber
  10. a conductor
  11. heat insulator
  12. waterproof
  13. a raincoat
  14. heat insulator
  15. waterproof
  16. electrical conductor
  17. True
  18. a window pane
  19. steel
  20. electrical conductor
  21. glass
  22. True
  23. waterproof
  24. plastic-coated cloth
  25. a hair band
  26. waterproof
  27. a conductor
  28. False
  29. a skipping rope
  30. a switch contact
  31. copper
  32. electrical conductor
  33. a plug pin
  34. wood or plastic
  35. False
  36. iron
  37. True
  38. graphite
  39. False
  40. a yoga mat

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