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Engineering Worksheet: Materials

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

Answer key

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

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