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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 68 · 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) clay pottery (b) copper (c) glass (d) cotton cloth
  2. 2.🔍 Which is the odd one out? (a) glass (b) graphite (c) rubber (d) plastic
  3. 3.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) iron (d) steel
  4. 4.True or false: a raincoat needs a heat insulator. (a) True (b) False
  5. 5.🧱 Which material is best for the core of an electric wire? (a) copper (b) glass (c) rubber (d) wood
  6. 6.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) steel (d) cotton cloth
  8. 8.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  9. 9.Which of these needs a transparent material? (a) a hair band (b) an oven glove (c) a water tank (d) a window pane
  10. 10.🔍 Which is the odd one out? (a) steel (b) plastic (c) graphite (d) aluminium
  11. 11.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) rubber (d) copper
  12. 12.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.True or false: a hair band needs a flexible material. (a) False (b) True
  14. 14.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  15. 15.Which of these needs an electrical conductor? (a) a car seat belt (b) an oven glove (c) a plug pin (d) a tea flask lining
  16. 16.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  17. 17.True or false: a car seat belt needs an electrical conductor. (a) False (b) True
  18. 18.Which of these needs a heat insulator? (a) a raincoat (b) an oven glove (c) a switch contact (d) a plug pin
  19. 19.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  20. 20.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) glass (d) rubber
  21. 21.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  22. 22.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  23. 23.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Which property matters most for a roof sheet? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  25. 25.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) dry wood (d) steel
  26. 26.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  27. 27.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  28. 28.Which of these needs a flexible material? (a) a tea flask lining (b) a skipping rope (c) a spectacle lens (d) a window pane
  29. 29.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  30. 30.True or false: the core of a wire needs a transparent material. (a) True (b) False
  31. 31.True or false: a yoga mat needs a flexible material. (a) True (b) False
  32. 32.🧱 Which property matters most for a hair band? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  33. 33.🔍 Which is the odd one out? (a) copper (b) brass (c) iron (d) dry wood
  34. 34.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  35. 35.Which of these needs a waterproof material? (a) a yoga mat (b) a hair band (c) a tea flask lining (d) an umbrella cover
  36. 36.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) brass (d) plastic
  37. 37.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.Which of these needs an electrical conductor? (a) a water tank (b) a window pane (c) a switch contact (d) a yoga mat
  39. 39.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.🧱 Which property matters most for a window pane? (a) waterproof (b) flexible (c) transparent (d) heat insulator

Answer key

  1. copper
  2. graphite
  3. clay pottery
  4. False
  5. copper
  6. an insulator
  7. cotton cloth
  8. True
  9. a window pane
  10. plastic
  11. rubber
  12. a conductor
  13. True
  14. True
  15. a plug pin
  16. plastic-coated cloth
  17. False
  18. an oven glove
  19. waterproof
  20. aluminium
  21. False
  22. heat insulator
  23. an insulator
  24. waterproof
  25. steel
  26. False
  27. waterproof
  28. a skipping rope
  29. transparent
  30. False
  31. True
  32. flexible
  33. dry wood
  34. flexible
  35. an umbrella cover
  36. brass
  37. an insulator
  38. a switch contact
  39. a conductor
  40. transparent

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