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Engineering Worksheet: Materials

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

Answer key

  1. rubber
  2. heat insulator
  3. wood or plastic
  4. waterproof
  5. steel
  6. heat insulator
  7. glass
  8. False
  9. an insulator
  10. a tea flask lining
  11. a conductor
  12. copper
  13. flexible
  14. a plug pin
  15. a boat hull
  16. plastic
  17. clay pottery
  18. True
  19. a skipping rope
  20. dry wood
  21. a roof sheet
  22. False
  23. an insulator
  24. flexible
  25. an oven glove
  26. a cooking pot handle
  27. steel
  28. aluminium
  29. True
  30. a hair band
  31. transparent
  32. a conductor
  33. a conductor
  34. electrical conductor
  35. True
  36. transparent
  37. a switch contact
  38. waterproof
  39. waterproof
  40. electrical conductor

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