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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 967 · 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 aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.Which of these needs an electrical conductor? (a) a car windscreen (b) a yoga mat (c) a plug pin (d) a window pane
  3. 3.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) heat insulator (c) flexible (d) transparent
  4. 4.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) iron (d) wood or plastic
  5. 5.Which of these needs a flexible material? (a) a raincoat (b) the core of a wire (c) a tea flask lining (d) a hair band
  6. 6.True or false: a hair band needs a transparent material. (a) False (b) True
  7. 7.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  8. 8.Which of these needs a flexible material? (a) a magnifier lens (b) a yoga mat (c) a roof sheet (d) a raincoat
  9. 9.🧱 Which material is best for a window pane? (a) steel (b) brick (c) glass (d) wood
  10. 10.🔍 Which is the odd one out? (a) rubber (b) iron (c) copper (d) graphite
  11. 11.True or false: a raincoat needs a heat insulator. (a) True (b) False
  12. 12.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Which property matters most for a car windscreen? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  14. 14.Which of these needs a heat insulator? (a) a tea flask lining (b) a hair band (c) a switch contact (d) a plug pin
  15. 15.Which of these needs a heat insulator? (a) a spectacle lens (b) an oven glove (c) a roof sheet (d) the core of a wire
  16. 16.Which of these needs a waterproof material? (a) the core of a wire (b) an oven glove (c) a plug pin (d) a boat hull
  17. 17.🧱 Which property matters most for a plug pin? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  18. 18.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  19. 19.True or false: a hair band needs an electrical conductor. (a) True (b) False
  20. 20.True or false: a skipping rope needs a flexible material. (a) True (b) False
  21. 21.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  22. 22.🔍 Which is the odd one out? (a) steel (b) glass (c) rubber (d) plastic
  23. 23.Which of these needs a heat insulator? (a) a skipping rope (b) an umbrella cover (c) a boat hull (d) a cooking pot handle
  24. 24.🧱 Which property matters most for a water tank? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  25. 25.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  27. 27.Which of these needs a transparent material? (a) an oven glove (b) a skipping rope (c) a spectacle lens (d) a boat hull
  28. 28.🔍 Which is the odd one out? (a) graphite (b) glass (c) rubber (d) plastic
  29. 29.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  30. 30.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  31. 31.🧱 Which property matters most for an oven glove? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  32. 32.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  37. 37.Which of these needs a waterproof material? (a) a tea flask lining (b) an oven glove (c) a roof sheet (d) a yoga mat
  38. 38.🔍 Which is the odd one out? (a) iron (b) brass (c) clay pottery (d) graphite
  39. 39.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) copper (d) steel
  40. 40.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel

Answer key

  1. a conductor
  2. a plug pin
  3. flexible
  4. wood or plastic
  5. a hair band
  6. False
  7. copper
  8. a yoga mat
  9. glass
  10. rubber
  11. False
  12. a conductor
  13. transparent
  14. a tea flask lining
  15. an oven glove
  16. a boat hull
  17. electrical conductor
  18. waterproof
  19. False
  20. True
  21. plastic-coated cloth
  22. steel
  23. a cooking pot handle
  24. waterproof
  25. an insulator
  26. heat insulator
  27. a spectacle lens
  28. graphite
  29. False
  30. False
  31. heat insulator
  32. an insulator
  33. an insulator
  34. a conductor
  35. a conductor
  36. transparent
  37. a roof sheet
  38. clay pottery
  39. cotton cloth
  40. steel

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