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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 358 · 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 material is best for a window pane? (a) brick (b) wood (c) steel (d) glass
  2. 2.🧱 Which property matters most for a water tank? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  3. 3.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  4. 4.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.Which of these needs a heat insulator? (a) a car windscreen (b) a water tank (c) a switch contact (d) a cooking pot handle
  6. 6.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) dry wood (d) cotton cloth
  7. 7.🔍 Which is the odd one out? (a) steel (b) glass (c) iron (d) brass
  8. 8.🧱 Which property matters most for a car windscreen? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  9. 9.Which of these needs an electrical conductor? (a) a window pane (b) a boat hull (c) a switch contact (d) a raincoat
  10. 10.Which of these needs a heat insulator? (a) a spectacle lens (b) a tea flask lining (c) a hair band (d) a water tank
  11. 11.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  12. 12.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🔍 Which is the odd one out? (a) steel (b) aluminium (c) brass (d) plastic
  16. 16.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🔍 Which is the odd one out? (a) aluminium (b) brass (c) dry wood (d) graphite
  18. 18.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  19. 19.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  20. 20.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  21. 21.🧱 Which property matters most for an umbrella cover? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  22. 22.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) iron (d) rubber
  23. 23.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) plastic (d) copper
  25. 25.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  26. 26.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) steel (b) graphite (c) copper (d) rubber
  28. 28.Which of these needs an electrical conductor? (a) the core of a wire (b) an umbrella cover (c) a car seat belt (d) a water tank
  29. 29.Which of these needs a waterproof material? (a) the core of a wire (b) a tea flask lining (c) a magnifier lens (d) a roof sheet
  30. 30.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  31. 31.Which of these needs a flexible material? (a) an oven glove (b) a water tank (c) a spectacle lens (d) a car seat belt
  32. 32.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  33. 33.Which of these needs a waterproof material? (a) a yoga mat (b) a car seat belt (c) a plug pin (d) a boat hull
  34. 34.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) rubber (d) steel
  35. 35.🧱 Which property matters most for a skipping rope? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  36. 36.Which of these needs a waterproof material? (a) a magnifier lens (b) a hair band (c) a tea flask lining (d) a raincoat
  37. 37.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.🧱 Which property matters most for a roof sheet? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  39. 39.🧱 Which property matters most for a window pane? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  40. 40.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. glass
  2. waterproof
  3. waterproof
  4. an insulator
  5. a cooking pot handle
  6. brass
  7. glass
  8. transparent
  9. a switch contact
  10. a tea flask lining
  11. transparent
  12. an insulator
  13. a conductor
  14. an insulator
  15. plastic
  16. a conductor
  17. dry wood
  18. heat insulator
  19. flexible
  20. wood or plastic
  21. waterproof
  22. iron
  23. a conductor
  24. copper
  25. steel
  26. False
  27. rubber
  28. the core of a wire
  29. a roof sheet
  30. transparent
  31. a car seat belt
  32. electrical conductor
  33. a boat hull
  34. steel
  35. flexible
  36. a raincoat
  37. a conductor
  38. waterproof
  39. transparent
  40. a conductor

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