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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 174 · 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 yoga mat (b) a spectacle lens (c) a cooking pot handle (d) a raincoat
  2. 2.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  3. 3.🔍 Which is the odd one out? (a) plastic (b) copper (c) iron (d) graphite
  4. 4.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) aluminium (d) rubber
  5. 5.Which of these needs a heat insulator? (a) a skipping rope (b) a car windscreen (c) a boat hull (d) a tea flask lining
  6. 6.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.Which of these needs a flexible material? (a) a switch contact (b) a cooking pot handle (c) a car seat belt (d) a water tank
  9. 9.🧱 Which property matters most for an umbrella cover? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  10. 10.Which of these needs a waterproof material? (a) a roof sheet (b) the core of a wire (c) a skipping rope (d) a yoga mat
  11. 11.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  13. 13.🧱 Which property matters most for a water tank? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  14. 14.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.🧱 Which property matters most for an oven glove? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  16. 16.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🔍 Which is the odd one out? (a) dry wood (b) steel (c) copper (d) aluminium
  18. 18.🧱 Which property matters most for a yoga mat? (a) flexible (b) heat insulator (c) electrical conductor (d) transparent
  19. 19.🧱 Which property matters most for a spectacle lens? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  20. 20.Which of these needs a flexible material? (a) a yoga mat (b) a switch contact (c) a roof sheet (d) a raincoat
  21. 21.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  23. 23.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.Which of these needs an electrical conductor? (a) a car seat belt (b) an umbrella cover (c) the core of a wire (d) a skipping rope
  25. 25.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  26. 26.Which of these needs a transparent material? (a) a window pane (b) the core of a wire (c) a raincoat (d) a plug pin
  27. 27.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) dry wood (d) plastic
  28. 28.🔍 Which is the odd one out? (a) aluminium (b) copper (c) graphite (d) cotton cloth
  29. 29.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) paper (d) cotton wool
  30. 30.🧱 Which property matters most for a plug pin? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  31. 31.Which of these needs a transparent material? (a) an oven glove (b) a car windscreen (c) a yoga mat (d) a water tank
  32. 32.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) glass (d) rubber
  33. 33.Which of these needs a heat insulator? (a) an umbrella cover (b) an oven glove (c) a spectacle lens (d) a magnifier lens
  34. 34.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.True or false: a roof sheet needs a flexible material. (a) False (b) True
  36. 36.True or false: a boat hull needs a waterproof material. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) brass (b) dry wood (c) plastic (d) glass
  38. 38.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  39. 39.True or false: a window pane needs a transparent material. (a) False (b) True
  40. 40.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber

Answer key

  1. a raincoat
  2. glass
  3. plastic
  4. aluminium
  5. a tea flask lining
  6. an insulator
  7. a conductor
  8. a car seat belt
  9. waterproof
  10. a roof sheet
  11. an insulator
  12. True
  13. waterproof
  14. a conductor
  15. heat insulator
  16. a conductor
  17. dry wood
  18. flexible
  19. transparent
  20. a yoga mat
  21. an insulator
  22. heat insulator
  23. a conductor
  24. the core of a wire
  25. waterproof
  26. a window pane
  27. copper
  28. cotton cloth
  29. plastic-coated cloth
  30. electrical conductor
  31. a car windscreen
  32. steel
  33. an oven glove
  34. an insulator
  35. False
  36. True
  37. brass
  38. transparent
  39. True
  40. copper

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