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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 703 · 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 property matters most for a water tank? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  2. 2.Which of these needs a waterproof material? (a) a hair band (b) a magnifier lens (c) a tea flask lining (d) a water tank
  3. 3.🔍 Which is the odd one out? (a) aluminium (b) copper (c) graphite (d) glass
  4. 4.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  5. 5.Which of these needs a flexible material? (a) the core of a wire (b) an umbrella cover (c) a spectacle lens (d) a hair band
  6. 6.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  7. 7.🔍 Which is the odd one out? (a) copper (b) graphite (c) iron (d) rubber
  8. 8.Which of these needs a waterproof material? (a) an umbrella cover (b) a magnifier lens (c) a plug pin (d) a spectacle lens
  9. 9.🔍 Which is the odd one out? (a) plastic (b) copper (c) cotton cloth (d) clay pottery
  10. 10.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  11. 11.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  13. 13.🔍 Which is the odd one out? (a) copper (b) graphite (c) plastic (d) brass
  14. 14.Which of these needs a heat insulator? (a) a cooking pot handle (b) a window pane (c) a boat hull (d) a water tank
  15. 15.True or false: a plug pin needs a flexible material. (a) False (b) True
  16. 16.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.Which of these needs a flexible material? (a) a magnifier lens (b) a window pane (c) a car seat belt (d) a boat hull
  18. 18.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  19. 19.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  23. 23.🧱 Which property matters most for a boat hull? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  24. 24.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) aluminium (d) iron
  25. 25.Which of these needs a heat insulator? (a) a car seat belt (b) a boat hull (c) an umbrella cover (d) a tea flask lining
  26. 26.🔍 Which is the odd one out? (a) rubber (b) brass (c) glass (d) dry wood
  27. 27.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) steel (d) cotton cloth
  28. 28.🧱 Which property matters most for a hair band? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  29. 29.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  30. 30.🧱 Which property matters most for a yoga mat? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  31. 31.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  32. 32.🔍 Which is the odd one out? (a) brass (b) iron (c) dry wood (d) copper
  33. 33.🔍 Which is the odd one out? (a) copper (b) aluminium (c) cotton cloth (d) brass
  34. 34.Which of these needs a transparent material? (a) an umbrella cover (b) the core of a wire (c) a car windscreen (d) a yoga mat
  35. 35.True or false: a hair band needs a flexible material. (a) False (b) True
  36. 36.Which of these needs a waterproof material? (a) a switch contact (b) a hair band (c) the core of a wire (d) a raincoat
  37. 37.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.Which of these needs a waterproof material? (a) a plug pin (b) a cooking pot handle (c) a tea flask lining (d) a boat hull
  40. 40.Which of these needs a transparent material? (a) a tea flask lining (b) a roof sheet (c) a cooking pot handle (d) a window pane

Answer key

  1. waterproof
  2. a water tank
  3. glass
  4. transparent
  5. a hair band
  6. steel
  7. rubber
  8. an umbrella cover
  9. copper
  10. plastic-coated cloth
  11. a conductor
  12. waterproof
  13. plastic
  14. a cooking pot handle
  15. False
  16. an insulator
  17. a car seat belt
  18. electrical conductor
  19. an insulator
  20. a conductor
  21. a conductor
  22. copper
  23. waterproof
  24. wood or plastic
  25. a tea flask lining
  26. brass
  27. steel
  28. flexible
  29. heat insulator
  30. flexible
  31. glass
  32. dry wood
  33. cotton cloth
  34. a car windscreen
  35. True
  36. a raincoat
  37. an insulator
  38. a conductor
  39. a boat hull
  40. a window pane

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