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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 656 · 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 magnifier lens needs a transparent material. (a) True (b) False
  2. 2.Which of these needs a heat insulator? (a) the core of a wire (b) a water tank (c) a tea flask lining (d) a raincoat
  3. 3.True or false: a water tank needs a flexible material. (a) False (b) True
  4. 4.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  6. 6.🧱 Which property matters most for a window pane? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  7. 7.Which of these needs an electrical conductor? (a) a window pane (b) an umbrella cover (c) a water tank (d) a switch contact
  8. 8.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) paper (d) cardboard
  9. 9.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) rubber (d) steel
  10. 10.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) plastic (d) rubber
  11. 11.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  12. 12.Which of these needs a heat insulator? (a) a car windscreen (b) a car seat belt (c) an oven glove (d) a switch contact
  13. 13.True or false: a water tank needs a transparent material. (a) False (b) True
  14. 14.🧱 Which material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  15. 15.🧱 Which property matters most for a car windscreen? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  16. 16.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) graphite (d) clay pottery
  17. 17.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  18. 18.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🔍 Which is the odd one out? (a) copper (b) brass (c) glass (d) graphite
  21. 21.Which of these needs a transparent material? (a) a window pane (b) a switch contact (c) a boat hull (d) a raincoat
  22. 22.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  23. 23.🔍 Which is the odd one out? (a) rubber (b) brass (c) copper (d) iron
  24. 24.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  26. 26.🧱 Which property matters most for a plug pin? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  27. 27.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  28. 28.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  29. 29.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.True or false: a car windscreen needs a transparent material. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) plastic (d) copper
  32. 32.🔍 Which is the odd one out? (a) iron (b) graphite (c) aluminium (d) cotton cloth
  33. 33.Which of these needs a waterproof material? (a) an umbrella cover (b) a hair band (c) a tea flask lining (d) the core of a wire
  34. 34.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) graphite (d) aluminium
  37. 37.True or false: a window pane needs a waterproof material. (a) True (b) False
  38. 38.Which of these needs an electrical conductor? (a) an umbrella cover (b) a plug pin (c) a boat hull (d) a roof sheet
  39. 39.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  40. 40.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) plastic (d) steel

Answer key

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

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