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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 506 · 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 water tank needs a flexible material. (a) True (b) False
  2. 2.Which of these needs a transparent material? (a) a water tank (b) a roof sheet (c) a tea flask lining (d) a window pane
  3. 3.🧱 Which property matters most for a raincoat? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  4. 4.True or false: a raincoat needs a waterproof material. (a) False (b) True
  5. 5.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.True or false: a car windscreen needs a flexible material. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) plastic (d) rubber
  8. 8.Which of these needs a waterproof material? (a) an oven glove (b) an umbrella cover (c) a hair band (d) a magnifier lens
  9. 9.🔍 Which is the odd one out? (a) aluminium (b) iron (c) cotton cloth (d) steel
  10. 10.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  11. 11.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  12. 12.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  13. 13.Which of these needs a waterproof material? (a) a car seat belt (b) a cooking pot handle (c) a switch contact (d) a water tank
  14. 14.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) plastic (d) steel
  15. 15.🧱 Which property matters most for a water tank? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  16. 16.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) rubber (d) copper
  18. 18.True or false: a hair band needs a heat insulator. (a) True (b) False
  19. 19.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  20. 20.🔍 Which is the odd one out? (a) cotton cloth (b) graphite (c) clay pottery (d) plastic
  21. 21.True or false: a boat hull needs a waterproof material. (a) True (b) False
  22. 22.🧱 Which property matters most for a window pane? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  23. 23.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Which property matters most for an oven glove? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  25. 25.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  26. 26.Which of these needs a flexible material? (a) a raincoat (b) a cooking pot handle (c) a car seat belt (d) an oven glove
  27. 27.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.True or false: a skipping rope needs a flexible material. (a) True (b) False
  29. 29.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  30. 30.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.True or false: a skipping rope needs a transparent material. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) clay pottery (d) copper
  33. 33.🧱 Which property matters most for a hair band? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  34. 34.Which of these needs an electrical conductor? (a) a skipping rope (b) a window pane (c) a roof sheet (d) a switch contact
  35. 35.True or false: a cooking pot handle needs a waterproof material. (a) False (b) True
  36. 36.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.Which of these needs a flexible material? (a) a spectacle lens (b) a water tank (c) a skipping rope (d) an oven glove
  38. 38.Which of these needs a flexible material? (a) a cooking pot handle (b) a window pane (c) a hair band (d) a magnifier lens
  39. 39.🔍 Which is the odd one out? (a) plastic (b) iron (c) steel (d) copper
  40. 40.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) glass (d) rubber

Answer key

  1. False
  2. a window pane
  3. waterproof
  4. True
  5. a conductor
  6. False
  7. brass
  8. an umbrella cover
  9. cotton cloth
  10. True
  11. electrical conductor
  12. waterproof
  13. a water tank
  14. steel
  15. waterproof
  16. True
  17. rubber
  18. False
  19. wood or plastic
  20. graphite
  21. True
  22. transparent
  23. a conductor
  24. heat insulator
  25. transparent
  26. a car seat belt
  27. an insulator
  28. True
  29. copper
  30. a conductor
  31. False
  32. copper
  33. flexible
  34. a switch contact
  35. False
  36. a conductor
  37. a skipping rope
  38. a hair band
  39. plastic
  40. aluminium

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