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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 165 · 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 plug pin needs an electrical conductor. (a) False (b) True
  2. 2.Which of these needs a heat insulator? (a) an oven glove (b) a roof sheet (c) a window pane (d) a boat hull
  3. 3.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  6. 6.🔍 Which is the odd one out? (a) copper (b) plastic (c) brass (d) iron
  7. 7.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  8. 8.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which property matters most for a yoga mat? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  10. 10.Which of these needs a flexible material? (a) a cooking pot handle (b) a tea flask lining (c) a hair band (d) a spectacle lens
  11. 11.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  12. 12.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  13. 13.🧱 Which property matters most for a switch contact? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  14. 14.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel
  15. 15.Which of these needs a heat insulator? (a) a tea flask lining (b) a hair band (c) a spectacle lens (d) a water tank
  16. 16.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.Which of these needs an electrical conductor? (a) an umbrella cover (b) the core of a wire (c) an oven glove (d) a boat hull
  18. 18.Which of these needs a waterproof material? (a) a hair band (b) an umbrella cover (c) a magnifier lens (d) a car windscreen
  19. 19.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  20. 20.🧱 Which property matters most for a hair band? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  21. 21.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  22. 22.🧱 Which property matters most for a boat hull? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  23. 23.🧱 Which property matters most for a car seat belt? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  24. 24.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) cotton wool (d) plastic-coated cloth
  25. 25.Which of these needs a waterproof material? (a) a boat hull (b) a spectacle lens (c) a car seat belt (d) a switch contact
  26. 26.🔍 Which is the odd one out? (a) rubber (b) glass (c) clay pottery (d) copper
  27. 27.🧱 Which property matters most for a window pane? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  28. 28.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) iron (d) plastic
  29. 29.Which of these needs an electrical conductor? (a) an oven glove (b) a yoga mat (c) a hair band (d) a switch contact
  30. 30.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.🧱 Which property matters most for a water tank? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  32. 32.Which of these needs a flexible material? (a) a car seat belt (b) an oven glove (c) a water tank (d) a raincoat
  33. 33.Which of these needs a flexible material? (a) a raincoat (b) a yoga mat (c) the core of a wire (d) a spectacle lens
  34. 34.🔍 Which is the odd one out? (a) copper (b) brass (c) clay pottery (d) steel
  35. 35.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  36. 36.🔍 Which is the odd one out? (a) steel (b) rubber (c) aluminium (d) graphite
  37. 37.🔍 Which is the odd one out? (a) copper (b) aluminium (c) glass (d) brass
  38. 38.True or false: a car windscreen needs a transparent material. (a) False (b) True
  39. 39.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  40. 40.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) waterproof (d) flexible

Answer key

  1. True
  2. an oven glove
  3. an insulator
  4. a conductor
  5. glass
  6. plastic
  7. transparent
  8. a conductor
  9. flexible
  10. a hair band
  11. transparent
  12. copper
  13. electrical conductor
  14. steel
  15. a tea flask lining
  16. an insulator
  17. the core of a wire
  18. an umbrella cover
  19. True
  20. flexible
  21. waterproof
  22. waterproof
  23. flexible
  24. plastic-coated cloth
  25. a boat hull
  26. copper
  27. transparent
  28. iron
  29. a switch contact
  30. a conductor
  31. waterproof
  32. a car seat belt
  33. a yoga mat
  34. clay pottery
  35. heat insulator
  36. rubber
  37. glass
  38. True
  39. True
  40. heat insulator

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