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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 864 · 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 material is best for a window pane? (a) glass (b) steel (c) wood (d) brick
  2. 2.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.Which of these needs a transparent material? (a) a boat hull (b) a hair band (c) a yoga mat (d) a car windscreen
  4. 4.True or false: a raincoat needs a waterproof material. (a) False (b) True
  5. 5.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🔍 Which is the odd one out? (a) rubber (b) glass (c) graphite (d) clay pottery
  7. 7.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  8. 8.Which of these needs a transparent material? (a) a hair band (b) a boat hull (c) an oven glove (d) a spectacle lens
  9. 9.Which of these needs a flexible material? (a) a magnifier lens (b) a spectacle lens (c) a skipping rope (d) a window pane
  10. 10.True or false: a tea flask lining needs a transparent material. (a) False (b) True
  11. 11.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  12. 12.True or false: a window pane needs an electrical conductor. (a) False (b) True
  13. 13.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🔍 Which is the odd one out? (a) aluminium (b) copper (c) steel (d) dry wood
  15. 15.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  16. 16.True or false: a cooking pot handle needs a waterproof material. (a) False (b) True
  17. 17.🧱 Which property matters most for a window pane? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  18. 18.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Which property matters most for a raincoat? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  20. 20.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  21. 21.🧱 Which property matters most for the core of a wire? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  22. 22.Which of these needs a waterproof material? (a) a skipping rope (b) a water tank (c) a yoga mat (d) the core of a wire
  23. 23.Which of these needs a waterproof material? (a) a car seat belt (b) a cooking pot handle (c) a yoga mat (d) an umbrella cover
  24. 24.Which of these needs an electrical conductor? (a) a car seat belt (b) a yoga mat (c) the core of a wire (d) a hair band
  25. 25.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) cotton wool (d) plastic-coated cloth
  26. 26.Which of these needs a heat insulator? (a) a hair band (b) a car windscreen (c) a roof sheet (d) an oven glove
  27. 27.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  28. 28.True or false: a water tank needs a waterproof material. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) steel (b) graphite (c) rubber (d) copper
  30. 30.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) steel (d) graphite
  31. 31.🔍 Which is the odd one out? (a) graphite (b) iron (c) clay pottery (d) copper
  32. 32.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  33. 33.🧱 Which property matters most for a tea flask lining? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  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 heat insulator? (a) a switch contact (b) a boat hull (c) a cooking pot handle (d) a car windscreen
  36. 36.Which of these needs a flexible material? (a) a boat hull (b) a spectacle lens (c) a plug pin (d) a car seat belt
  37. 37.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  38. 38.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  39. 39.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  40. 40.Which of these needs a transparent material? (a) a window pane (b) a switch contact (c) a roof sheet (d) an oven glove

Answer key

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

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