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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 50 · 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 property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  2. 2.Which of these needs an electrical conductor? (a) a hair band (b) a car windscreen (c) the core of a wire (d) a tea flask lining
  3. 3.Which of these needs a waterproof material? (a) a magnifier lens (b) a tea flask lining (c) a roof sheet (d) a window pane
  4. 4.🧱 Which property matters most for a raincoat? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  5. 5.Which of these needs a waterproof material? (a) an oven glove (b) a raincoat (c) a spectacle lens (d) a car windscreen
  6. 6.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  8. 8.True or false: a window pane needs an electrical conductor. (a) True (b) False
  9. 9.Which of these needs a flexible material? (a) an umbrella cover (b) a spectacle lens (c) a car seat belt (d) a water tank
  10. 10.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  12. 12.🔍 Which is the odd one out? (a) glass (b) aluminium (c) clay pottery (d) plastic
  13. 13.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) iron (d) copper
  14. 14.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  15. 15.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  16. 16.True or false: a car seat belt needs an electrical conductor. (a) True (b) False
  17. 17.True or false: a roof sheet needs a transparent material. (a) True (b) False
  18. 18.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) iron (d) dry wood
  20. 20.🔍 Which is the odd one out? (a) rubber (b) glass (c) copper (d) cotton cloth
  21. 21.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  22. 22.Which of these needs a heat insulator? (a) a tea flask lining (b) a boat hull (c) a skipping rope (d) a roof sheet
  23. 23.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  24. 24.🔍 Which is the odd one out? (a) clay pottery (b) graphite (c) glass (d) rubber
  25. 25.Which of these needs a transparent material? (a) a boat hull (b) a water tank (c) a cooking pot handle (d) a magnifier lens
  26. 26.🧱 Which property matters most for the core of a wire? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  27. 27.True or false: a hair band needs a waterproof material. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) steel (b) iron (c) clay pottery (d) brass
  29. 29.🧱 Which property matters most for a window pane? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  30. 30.Which of these needs a flexible material? (a) the core of a wire (b) a plug pin (c) a hair band (d) a water tank
  31. 31.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) copper (d) rubber
  32. 32.🔍 Which is the odd one out? (a) iron (b) copper (c) aluminium (d) glass
  33. 33.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) rubber (d) brass
  34. 34.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) steel (d) iron
  36. 36.True or false: a plug pin needs a flexible material. (a) True (b) False
  37. 37.🧱 Which property matters most for a plug pin? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  38. 38.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  39. 39.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  40. 40.True or false: a hair band needs a flexible material. (a) False (b) True

Answer key

  1. waterproof
  2. the core of a wire
  3. a roof sheet
  4. waterproof
  5. a raincoat
  6. a conductor
  7. False
  8. False
  9. a car seat belt
  10. a conductor
  11. glass
  12. aluminium
  13. wood or plastic
  14. transparent
  15. plastic-coated cloth
  16. False
  17. False
  18. an insulator
  19. iron
  20. copper
  21. True
  22. a tea flask lining
  23. steel
  24. graphite
  25. a magnifier lens
  26. electrical conductor
  27. False
  28. clay pottery
  29. transparent
  30. a hair band
  31. copper
  32. glass
  33. brass
  34. an insulator
  35. cotton cloth
  36. False
  37. electrical conductor
  38. True
  39. waterproof
  40. True

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