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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 182 · 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) a window pane (b) an umbrella cover (c) the core of a wire (d) a hair band
  2. 2.🧱 Which property matters most for a raincoat? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  3. 3.Which of these needs a transparent material? (a) a plug pin (b) a switch contact (c) a yoga mat (d) a window pane
  4. 4.🔍 Which is the odd one out? (a) steel (b) iron (c) copper (d) plastic
  5. 5.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🔍 Which is the odd one out? (a) iron (b) rubber (c) brass (d) aluminium
  7. 7.True or false: a window pane needs a waterproof material. (a) False (b) True
  8. 8.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  9. 9.Which of these needs a waterproof material? (a) an umbrella cover (b) a tea flask lining (c) an oven glove (d) a switch contact
  10. 10.Which of these needs a heat insulator? (a) the core of a wire (b) a window pane (c) a boat hull (d) a cooking pot handle
  11. 11.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  12. 12.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.True or false: a roof sheet needs a transparent material. (a) True (b) False
  14. 14.Which of these needs a waterproof material? (a) the core of a wire (b) a roof sheet (c) a hair band (d) a car windscreen
  15. 15.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  16. 16.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which property matters most for a hair band? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  18. 18.🔍 Which is the odd one out? (a) clay pottery (b) graphite (c) glass (d) dry wood
  19. 19.True or false: an oven glove needs a waterproof material. (a) True (b) False
  20. 20.🧱 Which property matters most for a water tank? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  21. 21.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.Which of these needs a heat insulator? (a) a roof sheet (b) a water tank (c) an oven glove (d) a plug pin
  23. 23.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  25. 25.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  26. 26.Which of these needs a waterproof material? (a) a cooking pot handle (b) a water tank (c) a yoga mat (d) a car seat belt
  27. 27.🔍 Which is the odd one out? (a) steel (b) brass (c) aluminium (d) clay pottery
  28. 28.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  29. 29.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  31. 31.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) clay pottery (d) steel
  32. 32.🧱 Which property matters most for a yoga mat? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  33. 33.Which of these needs a transparent material? (a) a hair band (b) a roof sheet (c) a magnifier lens (d) an oven glove
  34. 34.🧱 Which property matters most for a switch contact? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  35. 35.True or false: a raincoat needs a waterproof material. (a) True (b) False
  36. 36.Which of these needs an electrical conductor? (a) a car windscreen (b) a cooking pot handle (c) a plug pin (d) a raincoat
  37. 37.True or false: a boat hull needs a heat insulator. (a) False (b) True
  38. 38.Which of these needs a flexible material? (a) a yoga mat (b) a cooking pot handle (c) an umbrella cover (d) a window pane
  39. 39.🔍 Which is the odd one out? (a) graphite (b) iron (c) dry wood (d) aluminium
  40. 40.True or false: a raincoat needs a flexible material. (a) False (b) True

Answer key

  1. the core of a wire
  2. waterproof
  3. a window pane
  4. plastic
  5. a conductor
  6. rubber
  7. False
  8. electrical conductor
  9. an umbrella cover
  10. a cooking pot handle
  11. glass
  12. an insulator
  13. False
  14. a roof sheet
  15. copper
  16. a conductor
  17. flexible
  18. graphite
  19. False
  20. waterproof
  21. an insulator
  22. an oven glove
  23. an insulator
  24. waterproof
  25. transparent
  26. a water tank
  27. clay pottery
  28. wood or plastic
  29. a conductor
  30. transparent
  31. steel
  32. flexible
  33. a magnifier lens
  34. electrical conductor
  35. True
  36. a plug pin
  37. False
  38. a yoga mat
  39. dry wood
  40. False

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