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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 583 · 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) an umbrella cover (c) a magnifier lens (d) a switch contact
  2. 2.🧱 Which property matters most for the core of a wire? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  3. 3.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  4. 4.Which of these needs a transparent material? (a) a window pane (b) a switch contact (c) the core of a wire (d) a boat hull
  5. 5.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) transparent (c) flexible (d) heat insulator
  7. 7.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  8. 8.Which of these needs a flexible material? (a) a magnifier lens (b) the core of a wire (c) a hair band (d) a water tank
  9. 9.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.True or false: a yoga mat needs a flexible material. (a) False (b) True
  11. 11.Which of these needs a waterproof material? (a) a spectacle lens (b) the core of a wire (c) a raincoat (d) a cooking pot handle
  12. 12.Which of these needs a flexible material? (a) a window pane (b) a car seat belt (c) a magnifier lens (d) a boat hull
  13. 13.🔍 Which is the odd one out? (a) steel (b) aluminium (c) dry wood (d) copper
  14. 14.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  15. 15.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  16. 16.Which of these needs a transparent material? (a) the core of a wire (b) a water tank (c) a spectacle lens (d) a plug pin
  17. 17.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  18. 18.🧱 Which property matters most for a plug pin? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  19. 19.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Which property matters most for a yoga mat? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  21. 21.Which of these needs an electrical conductor? (a) a car seat belt (b) an oven glove (c) a plug pin (d) a boat hull
  22. 22.True or false: a magnifier lens needs a waterproof material. (a) False (b) True
  23. 23.True or false: a hair band needs a waterproof material. (a) True (b) False
  24. 24.Which of these needs a flexible material? (a) a yoga mat (b) a roof sheet (c) an umbrella cover (d) a water tank
  25. 25.🧱 Which property matters most for a skipping rope? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  26. 26.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) plastic-coated cloth (d) cotton wool
  27. 27.🧱 Which property matters most for a hair band? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  28. 28.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) copper (d) graphite
  29. 29.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  30. 30.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.🧱 Which property matters most for a window pane? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  32. 32.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  33. 33.True or false: a skipping rope needs a flexible material. (a) False (b) True
  34. 34.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  35. 35.🧱 Which property matters most for a switch contact? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  36. 36.True or false: a skipping rope needs a waterproof material. (a) True (b) False
  37. 37.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  38. 38.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) copper (b) clay pottery (c) plastic (d) rubber
  40. 40.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. a switch contact
  2. electrical conductor
  3. glass
  4. a window pane
  5. a conductor
  6. transparent
  7. steel
  8. a hair band
  9. an insulator
  10. True
  11. a raincoat
  12. a car seat belt
  13. dry wood
  14. True
  15. True
  16. a spectacle lens
  17. heat insulator
  18. electrical conductor
  19. an insulator
  20. flexible
  21. a plug pin
  22. False
  23. False
  24. a yoga mat
  25. flexible
  26. plastic-coated cloth
  27. flexible
  28. clay pottery
  29. flexible
  30. an insulator
  31. transparent
  32. transparent
  33. True
  34. copper
  35. electrical conductor
  36. False
  37. waterproof
  38. True
  39. copper
  40. a conductor

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