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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 260 · 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 an electrical conductor? (a) an oven glove (b) a magnifier lens (c) a roof sheet (d) a plug pin
  2. 2.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.True or false: a window pane needs a transparent material. (a) True (b) False
  4. 4.🧱 Which property matters most for a raincoat? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  5. 5.🔍 Which is the odd one out? (a) graphite (b) plastic (c) rubber (d) glass
  6. 6.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.Which of these needs a waterproof material? (a) a spectacle lens (b) a cooking pot handle (c) the core of a wire (d) a water tank
  8. 8.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which property matters most for a boat hull? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  10. 10.Which of these needs an electrical conductor? (a) the core of a wire (b) a magnifier lens (c) an umbrella cover (d) a car windscreen
  11. 11.🔍 Which is the odd one out? (a) iron (b) steel (c) clay pottery (d) aluminium
  12. 12.True or false: a boat hull needs a heat insulator. (a) False (b) True
  13. 13.Which of these needs a transparent material? (a) a tea flask lining (b) a magnifier lens (c) a water tank (d) a roof sheet
  14. 14.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  15. 15.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) wood or plastic (d) copper
  16. 16.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.Which of these needs a heat insulator? (a) a hair band (b) a window pane (c) a raincoat (d) a tea flask lining
  19. 19.🔍 Which is the odd one out? (a) plastic (b) glass (c) dry wood (d) brass
  20. 20.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  21. 21.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  22. 22.🧱 Which property matters most for the core of a wire? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  23. 23.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
  24. 24.True or false: a water tank needs a waterproof material. (a) False (b) True
  25. 25.True or false: a plug pin needs a transparent material. (a) True (b) False
  26. 26.Which of these needs a transparent material? (a) the core of a wire (b) a raincoat (c) a window pane (d) a boat hull
  27. 27.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) rubber (d) steel
  28. 28.True or false: a cooking pot handle needs a flexible material. (a) True (b) False
  29. 29.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) plastic-coated cloth (d) cotton wool
  30. 30.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  31. 31.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  32. 32.🔍 Which is the odd one out? (a) copper (b) iron (c) cotton cloth (d) brass
  33. 33.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) plastic (d) steel
  34. 34.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  36. 36.Which of these needs a waterproof material? (a) a hair band (b) the core of a wire (c) a car seat belt (d) a raincoat
  37. 37.🔍 Which is the odd one out? (a) plastic (b) iron (c) steel (d) aluminium
  38. 38.🔍 Which is the odd one out? (a) glass (b) copper (c) iron (d) aluminium
  39. 39.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.Which of these needs a waterproof material? (a) an umbrella cover (b) a car seat belt (c) a tea flask lining (d) a hair band

Answer key

  1. a plug pin
  2. an insulator
  3. True
  4. waterproof
  5. graphite
  6. a conductor
  7. a water tank
  8. a conductor
  9. waterproof
  10. the core of a wire
  11. clay pottery
  12. False
  13. a magnifier lens
  14. transparent
  15. wood or plastic
  16. a conductor
  17. an insulator
  18. a tea flask lining
  19. brass
  20. electrical conductor
  21. flexible
  22. electrical conductor
  23. copper
  24. True
  25. False
  26. a window pane
  27. steel
  28. False
  29. plastic-coated cloth
  30. False
  31. heat insulator
  32. cotton cloth
  33. steel
  34. a conductor
  35. flexible
  36. a raincoat
  37. plastic
  38. glass
  39. a conductor
  40. an umbrella cover

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