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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 578 · 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 the bars inside concrete? (a) steel (b) plastic (c) glass (d) rubber
  2. 2.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  3. 3.🧱 Which property matters most for an oven glove? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  4. 4.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  5. 5.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  7. 7.🧱 Which property matters most for a window pane? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  8. 8.True or false: a skipping rope needs a flexible material. (a) True (b) False
  9. 9.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  10. 10.Which of these needs a transparent material? (a) a water tank (b) a raincoat (c) a boat hull (d) a spectacle lens
  11. 11.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  13. 13.🔍 Which is the odd one out? (a) clay pottery (b) steel (c) plastic (d) dry wood
  14. 14.Which of these needs a flexible material? (a) an umbrella cover (b) a tea flask lining (c) a raincoat (d) a hair band
  15. 15.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) brass (d) cotton cloth
  16. 16.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.Which of these needs an electrical conductor? (a) a water tank (b) the core of a wire (c) a raincoat (d) a yoga mat
  18. 18.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  19. 19.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.Which of these needs a waterproof material? (a) a hair band (b) a spectacle lens (c) a boat hull (d) a car windscreen
  21. 21.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) plastic (d) dry wood
  22. 22.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) aluminium (d) clay pottery
  23. 23.🔍 Which is the odd one out? (a) iron (b) aluminium (c) clay pottery (d) graphite
  24. 24.🔍 Which is the odd one out? (a) copper (b) steel (c) aluminium (d) glass
  25. 25.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  27. 27.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  28. 28.🧱 Which property matters most for a raincoat? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  29. 29.Which of these needs a flexible material? (a) a cooking pot handle (b) a skipping rope (c) a plug pin (d) a water tank
  30. 30.🧱 Which property matters most for a plug pin? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  31. 31.Which of these needs an electrical conductor? (a) a car windscreen (b) a magnifier lens (c) a plug pin (d) a raincoat
  32. 32.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  33. 33.Which of these needs a transparent material? (a) a yoga mat (b) an oven glove (c) a boat hull (d) a magnifier lens
  34. 34.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🔍 Which is the odd one out? (a) rubber (b) plastic (c) graphite (d) clay pottery
  36. 36.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False
  37. 37.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.True or false: a raincoat needs an electrical conductor. (a) False (b) True
  39. 39.True or false: a water tank needs a heat insulator. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) graphite (b) copper (c) steel (d) rubber

Answer key

  1. steel
  2. flexible
  3. heat insulator
  4. glass
  5. an insulator
  6. flexible
  7. transparent
  8. True
  9. flexible
  10. a spectacle lens
  11. a conductor
  12. wood or plastic
  13. steel
  14. a hair band
  15. brass
  16. a conductor
  17. the core of a wire
  18. waterproof
  19. an insulator
  20. a boat hull
  21. iron
  22. aluminium
  23. clay pottery
  24. glass
  25. a conductor
  26. True
  27. transparent
  28. waterproof
  29. a skipping rope
  30. electrical conductor
  31. a plug pin
  32. copper
  33. a magnifier lens
  34. a conductor
  35. graphite
  36. False
  37. an insulator
  38. False
  39. False
  40. rubber

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