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Engineering Worksheet: Materials

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

Answer key

  1. copper
  2. True
  3. electrical conductor
  4. a switch contact
  5. a plug pin
  6. a conductor
  7. a conductor
  8. waterproof
  9. a car seat belt
  10. brass
  11. rubber
  12. steel
  13. cotton cloth
  14. a cooking pot handle
  15. a raincoat
  16. plastic-coated cloth
  17. the core of a wire
  18. aluminium
  19. transparent
  20. transparent
  21. False
  22. a window pane
  23. transparent
  24. an oven glove
  25. glass
  26. a tea flask lining
  27. dry wood
  28. an insulator
  29. a conductor
  30. steel
  31. waterproof
  32. a hair band
  33. False
  34. a conductor
  35. flexible
  36. electrical conductor
  37. flexible
  38. False
  39. a car windscreen
  40. False

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