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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 252 · 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: a car seat belt needs a waterproof material. (a) False (b) True
  2. 2.🧱 Which property matters most for a boat hull? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  3. 3.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  4. 4.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  5. 5.🔍 Which is the odd one out? (a) cotton cloth (b) steel (c) aluminium (d) graphite
  6. 6.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  7. 7.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) aluminium (d) copper
  8. 8.Which of these needs a waterproof material? (a) an oven glove (b) a tea flask lining (c) a plug pin (d) a roof sheet
  9. 9.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  11. 11.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  12. 12.🔍 Which is the odd one out? (a) rubber (b) steel (c) clay pottery (d) dry wood
  13. 13.🧱 Which property matters most for a plug pin? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  14. 14.🔍 Which is the odd one out? (a) aluminium (b) copper (c) graphite (d) rubber
  15. 15.Which of these needs a flexible material? (a) a spectacle lens (b) a raincoat (c) a car windscreen (d) a car seat belt
  16. 16.Which of these needs an electrical conductor? (a) a car windscreen (b) a switch contact (c) an umbrella cover (d) a tea flask lining
  17. 17.True or false: a plug pin needs a transparent material. (a) False (b) True
  18. 18.Which of these needs a heat insulator? (a) a water tank (b) a plug pin (c) a car windscreen (d) a tea flask lining
  19. 19.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.Which of these needs a waterproof material? (a) a skipping rope (b) a window pane (c) a hair band (d) a raincoat
  21. 21.Which of these needs a flexible material? (a) the core of a wire (b) an umbrella cover (c) a spectacle lens (d) a skipping rope
  22. 22.🔍 Which is the odd one out? (a) copper (b) dry wood (c) iron (d) graphite
  23. 23.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.True or false: a car windscreen needs a transparent material. (a) False (b) True
  25. 25.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.True or false: a raincoat needs a waterproof material. (a) True (b) False
  28. 28.True or false: an oven glove needs a heat insulator. (a) True (b) False
  29. 29.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  30. 30.🔍 Which is the odd one out? (a) aluminium (b) copper (c) glass (d) graphite
  31. 31.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  32. 32.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  36. 36.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  37. 37.Which of these needs a flexible material? (a) a yoga mat (b) a switch contact (c) the core of a wire (d) a spectacle lens
  38. 38.🧱 Which property matters most for a yoga mat? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  39. 39.True or false: a boat hull needs a transparent material. (a) False (b) True
  40. 40.🧱 Which property matters most for a water tank? (a) flexible (b) heat insulator (c) waterproof (d) transparent

Answer key

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

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