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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 315 · 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 of these needs a waterproof material? (a) a car windscreen (b) a raincoat (c) a car seat belt (d) a magnifier lens
  2. 2.🔍 Which is the odd one out? (a) plastic (b) glass (c) aluminium (d) clay pottery
  3. 3.True or false: a roof sheet needs a transparent material. (a) False (b) True
  4. 4.🧱 Which property matters most for a boat hull? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  5. 5.🔍 Which is the odd one out? (a) brass (b) rubber (c) plastic (d) dry wood
  6. 6.🔍 Which is the odd one out? (a) aluminium (b) steel (c) rubber (d) iron
  7. 7.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  8. 8.🔍 Which is the odd one out? (a) glass (b) graphite (c) steel (d) aluminium
  9. 9.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) glass (d) rubber
  11. 11.Which of these needs an electrical conductor? (a) a switch contact (b) a water tank (c) a car windscreen (d) a cooking pot handle
  12. 12.True or false: a skipping rope needs a transparent material. (a) True (b) False
  13. 13.True or false: a magnifier lens needs an electrical conductor. (a) True (b) False
  14. 14.Which of these needs a transparent material? (a) an umbrella cover (b) a boat hull (c) a spectacle lens (d) the core of a wire
  15. 15.🧱 Which property matters most for a car seat belt? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  16. 16.🧱 Which property matters most for a water tank? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  17. 17.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  19. 19.Which of these needs a transparent material? (a) an umbrella cover (b) a boat hull (c) a water tank (d) a car windscreen
  20. 20.Which of these needs a waterproof material? (a) a skipping rope (b) a cooking pot handle (c) a window pane (d) a roof sheet
  21. 21.True or false: a water tank needs a waterproof material. (a) True (b) False
  22. 22.Which of these needs a transparent material? (a) a roof sheet (b) a car seat belt (c) a boat hull (d) a magnifier lens
  23. 23.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.Which of these needs a transparent material? (a) an oven glove (b) a skipping rope (c) a window pane (d) a tea flask lining
  25. 25.Which of these needs a heat insulator? (a) a boat hull (b) an oven glove (c) the core of a wire (d) an umbrella cover
  26. 26.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) clay pottery (d) copper
  27. 27.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  28. 28.🔍 Which is the odd one out? (a) cotton cloth (b) iron (c) copper (d) graphite
  29. 29.Which of these needs a flexible material? (a) an umbrella cover (b) a raincoat (c) a skipping rope (d) a water tank
  30. 30.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) copper (d) aluminium
  31. 31.Which of these needs an electrical conductor? (a) a window pane (b) a hair band (c) the core of a wire (d) a spectacle lens
  32. 32.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  33. 33.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) graphite (d) glass
  34. 34.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a raincoat? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  36. 36.Which of these needs a heat insulator? (a) a car seat belt (b) a tea flask lining (c) the core of a wire (d) a roof sheet
  37. 37.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.Which of these needs a waterproof material? (a) the core of a wire (b) a car seat belt (c) an oven glove (d) an umbrella cover
  39. 39.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  40. 40.True or false: a roof sheet needs a waterproof material. (a) False (b) True

Answer key

  1. a raincoat
  2. aluminium
  3. False
  4. waterproof
  5. brass
  6. rubber
  7. heat insulator
  8. glass
  9. an insulator
  10. steel
  11. a switch contact
  12. False
  13. False
  14. a spectacle lens
  15. flexible
  16. waterproof
  17. an insulator
  18. glass
  19. a car windscreen
  20. a roof sheet
  21. True
  22. a magnifier lens
  23. a conductor
  24. a window pane
  25. an oven glove
  26. clay pottery
  27. flexible
  28. cotton cloth
  29. a skipping rope
  30. wood or plastic
  31. the core of a wire
  32. copper
  33. graphite
  34. a conductor
  35. waterproof
  36. a tea flask lining
  37. an insulator
  38. an umbrella cover
  39. transparent
  40. True

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