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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 920 · 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: an umbrella cover needs a waterproof material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) graphite (b) rubber (c) dry wood (d) clay pottery
  3. 3.🔍 Which is the odd one out? (a) plastic (b) graphite (c) brass (d) steel
  4. 4.Which of these needs a waterproof material? (a) an umbrella cover (b) a skipping rope (c) a cooking pot handle (d) a yoga mat
  5. 5.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  6. 6.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) brass (d) dry wood
  8. 8.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  10. 10.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.Which of these needs a flexible material? (a) a raincoat (b) a tea flask lining (c) a cooking pot handle (d) a car seat belt
  12. 12.Which of these needs a waterproof material? (a) a car windscreen (b) a raincoat (c) a plug pin (d) a window pane
  13. 13.🧱 Which property matters most for a roof sheet? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  14. 14.Which of these needs a transparent material? (a) a tea flask lining (b) an umbrella cover (c) a skipping rope (d) a spectacle lens
  15. 15.Which of these needs a heat insulator? (a) an oven glove (b) a yoga mat (c) a car windscreen (d) a car seat belt
  16. 16.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) glass (d) rubber
  17. 17.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  18. 18.🧱 Which property matters most for a magnifier lens? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  19. 19.🧱 Which property matters most for a car windscreen? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  20. 20.True or false: a boat hull needs a waterproof material. (a) False (b) True
  21. 21.🧱 Which property matters most for a window pane? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  22. 22.True or false: a water tank needs an electrical conductor. (a) True (b) False
  23. 23.🧱 Which property matters most for a car seat belt? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  24. 24.Which of these needs a transparent material? (a) a magnifier lens (b) a hair band (c) a roof sheet (d) a tea flask lining
  25. 25.🔍 Which is the odd one out? (a) copper (b) steel (c) graphite (d) rubber
  26. 26.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
  27. 27.🔍 Which is the odd one out? (a) aluminium (b) steel (c) iron (d) glass
  28. 28.Which of these needs a flexible material? (a) a yoga mat (b) a car windscreen (c) a spectacle lens (d) a window pane
  29. 29.🧱 Which property matters most for a switch contact? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  30. 30.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  31. 31.True or false: a skipping rope needs a flexible material. (a) False (b) True
  32. 32.True or false: an umbrella cover needs an electrical conductor. (a) False (b) True
  33. 33.🔍 Which is the odd one out? (a) plastic (b) glass (c) aluminium (d) rubber
  34. 34.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.True or false: a yoga mat needs a flexible material. (a) True (b) False
  36. 36.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  37. 37.Which of these needs a flexible material? (a) a cooking pot handle (b) a raincoat (c) a tea flask lining (d) a hair band
  38. 38.🔍 Which is the odd one out? (a) cotton cloth (b) iron (c) graphite (d) copper
  39. 39.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) dry wood (d) plastic
  40. 40.Which of these needs a transparent material? (a) a car seat belt (b) a window pane (c) a boat hull (d) the core of a wire

Answer key

  1. True
  2. graphite
  3. plastic
  4. an umbrella cover
  5. transparent
  6. an insulator
  7. dry wood
  8. an insulator
  9. heat insulator
  10. a conductor
  11. a car seat belt
  12. a raincoat
  13. waterproof
  14. a spectacle lens
  15. an oven glove
  16. steel
  17. wood or plastic
  18. transparent
  19. transparent
  20. True
  21. transparent
  22. False
  23. flexible
  24. a magnifier lens
  25. rubber
  26. copper
  27. glass
  28. a yoga mat
  29. electrical conductor
  30. glass
  31. True
  32. False
  33. aluminium
  34. a conductor
  35. True
  36. waterproof
  37. a hair band
  38. cotton cloth
  39. copper
  40. a window pane

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