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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 325 · 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 waterproof material. (a) True (b) False
  2. 2.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  3. 3.🧱 Which property matters most for a yoga mat? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  4. 4.🔍 Which is the odd one out? (a) aluminium (b) steel (c) clay pottery (d) iron
  5. 5.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which material is best for a window pane? (a) steel (b) wood (c) glass (d) brick
  7. 7.🧱 Which property matters most for a skipping rope? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  8. 8.🧱 Which property matters most for a switch contact? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  9. 9.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) brass (d) steel
  10. 10.🧱 Which property matters most for a roof sheet? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  11. 11.🧱 Which property matters most for a car windscreen? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  12. 12.🔍 Which is the odd one out? (a) copper (b) steel (c) aluminium (d) glass
  13. 13.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  14. 14.🧱 Which property matters most for a window pane? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  15. 15.🧱 Which property matters most for a car seat belt? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  16. 16.🧱 Which property matters most for a magnifier lens? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  17. 17.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) rubber (d) aluminium
  19. 19.Which of these needs a transparent material? (a) a switch contact (b) a car seat belt (c) a car windscreen (d) a yoga mat
  20. 20.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  21. 21.Which of these needs a flexible material? (a) the core of a wire (b) a raincoat (c) a hair band (d) a car windscreen
  22. 22.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  24. 24.🧱 Which property matters most for an oven glove? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  25. 25.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) brass (d) glass
  26. 26.🧱 Which property matters most for a tea flask lining? (a) transparent (b) flexible (c) heat insulator (d) electrical conductor
  27. 27.Which of these needs a heat insulator? (a) an oven glove (b) a skipping rope (c) a window pane (d) a car seat belt
  28. 28.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) plastic (d) rubber
  30. 30.Which of these needs a waterproof material? (a) a roof sheet (b) a spectacle lens (c) a car seat belt (d) a tea flask lining
  31. 31.🧱 Which property matters most for a boat hull? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  32. 32.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  33. 33.Which of these needs a waterproof material? (a) a tea flask lining (b) a boat hull (c) a skipping rope (d) a yoga mat
  34. 34.🔍 Which is the odd one out? (a) graphite (b) clay pottery (c) dry wood (d) cotton cloth
  35. 35.True or false: a raincoat needs a waterproof material. (a) False (b) True
  36. 36.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.Which of these needs a waterproof material? (a) a plug pin (b) an umbrella cover (c) a cooking pot handle (d) a car seat belt
  38. 38.Which of these needs a transparent material? (a) a skipping rope (b) a switch contact (c) a roof sheet (d) a window pane
  39. 39.True or false: a water tank needs a flexible material. (a) True (b) False
  40. 40.True or false: an oven glove needs a heat insulator. (a) True (b) False

Answer key

  1. True
  2. plastic-coated cloth
  3. flexible
  4. clay pottery
  5. an insulator
  6. glass
  7. flexible
  8. electrical conductor
  9. plastic
  10. waterproof
  11. transparent
  12. glass
  13. True
  14. transparent
  15. flexible
  16. transparent
  17. an insulator
  18. aluminium
  19. a car windscreen
  20. False
  21. a hair band
  22. an insulator
  23. True
  24. heat insulator
  25. brass
  26. heat insulator
  27. an oven glove
  28. a conductor
  29. iron
  30. a roof sheet
  31. waterproof
  32. heat insulator
  33. a boat hull
  34. graphite
  35. True
  36. a conductor
  37. an umbrella cover
  38. a window pane
  39. False
  40. True

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