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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 412 · 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 cooking pot handle needs an electrical conductor. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) dry wood (b) cotton cloth (c) copper (d) clay pottery
  3. 3.🧱 Which property matters most for a switch contact? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  4. 4.🔍 Which is the odd one out? (a) aluminium (b) iron (c) graphite (d) dry wood
  5. 5.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.True or false: a raincoat needs a waterproof material. (a) True (b) False
  7. 7.Which of these needs a heat insulator? (a) a tea flask lining (b) an umbrella cover (c) a raincoat (d) a roof sheet
  8. 8.Which of these needs an electrical conductor? (a) a boat hull (b) a spectacle lens (c) a hair band (d) the core of a wire
  9. 9.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.Which of these needs a waterproof material? (a) a spectacle lens (b) a car windscreen (c) an oven glove (d) a water tank
  11. 11.Which of these needs a waterproof material? (a) a car seat belt (b) an umbrella cover (c) a plug pin (d) the core of a wire
  12. 12.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  13. 13.🔍 Which is the odd one out? (a) plastic (b) glass (c) dry wood (d) aluminium
  14. 14.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  15. 15.🔍 Which is the odd one out? (a) steel (b) iron (c) clay pottery (d) brass
  16. 16.Which of these needs a flexible material? (a) a car seat belt (b) a roof sheet (c) an umbrella cover (d) a window pane
  17. 17.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  18. 18.True or false: a water tank needs a waterproof material. (a) True (b) False
  19. 19.🔍 Which is the odd one out? (a) steel (b) iron (c) aluminium (d) cotton cloth
  20. 20.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) plastic (d) iron
  21. 21.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  22. 22.Which of these needs a heat insulator? (a) a water tank (b) a window pane (c) an oven glove (d) a plug pin
  23. 23.Which of these needs an electrical conductor? (a) a water tank (b) a yoga mat (c) a boat hull (d) a switch contact
  24. 24.True or false: a skipping rope needs a waterproof material. (a) True (b) False
  25. 25.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  27. 27.True or false: an oven glove needs a flexible material. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) glass (b) rubber (c) plastic (d) brass
  29. 29.🧱 Which property matters most for the core of a wire? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  30. 30.🧱 Which property matters most for a car windscreen? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  31. 31.🔍 Which is the odd one out? (a) graphite (b) brass (c) aluminium (d) glass
  32. 32.🧱 Which property matters most for a raincoat? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  33. 33.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  34. 34.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  35. 35.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs a transparent material? (a) a yoga mat (b) an oven glove (c) an umbrella cover (d) a spectacle lens
  37. 37.🧱 Which property matters most for a car seat belt? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  38. 38.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  39. 39.True or false: a car windscreen needs a heat insulator. (a) True (b) False
  40. 40.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. False
  2. copper
  3. electrical conductor
  4. dry wood
  5. an insulator
  6. True
  7. a tea flask lining
  8. the core of a wire
  9. a conductor
  10. a water tank
  11. an umbrella cover
  12. waterproof
  13. aluminium
  14. heat insulator
  15. clay pottery
  16. a car seat belt
  17. copper
  18. True
  19. cotton cloth
  20. iron
  21. flexible
  22. an oven glove
  23. a switch contact
  24. False
  25. a conductor
  26. glass
  27. False
  28. brass
  29. electrical conductor
  30. transparent
  31. glass
  32. waterproof
  33. True
  34. heat insulator
  35. a conductor
  36. a spectacle lens
  37. flexible
  38. electrical conductor
  39. False
  40. an insulator

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