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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 511 · 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 window pane? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  2. 2.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) electrical conductor (c) transparent (d) heat insulator
  3. 3.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  5. 5.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) steel (d) rubber
  6. 6.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) cotton wool (d) plastic-coated cloth
  7. 7.🧱 Which property matters most for a water tank? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  8. 8.🧱 Which property matters most for a switch contact? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  9. 9.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  10. 10.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🧱 Which property matters most for a magnifier lens? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  12. 12.🔍 Which is the odd one out? (a) graphite (b) rubber (c) dry wood (d) cotton cloth
  13. 13.True or false: a switch contact needs a transparent material. (a) False (b) True
  14. 14.True or false: a boat hull needs a heat insulator. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) rubber (b) plastic (c) clay pottery (d) aluminium
  16. 16.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  17. 17.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) glass (d) dry wood
  18. 18.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  19. 19.Which of these needs a flexible material? (a) a car windscreen (b) a water tank (c) a car seat belt (d) a boat hull
  20. 20.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Which property matters most for a boat hull? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  22. 22.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) wood (d) copper
  23. 23.Which of these needs a transparent material? (a) a tea flask lining (b) a window pane (c) a water tank (d) a boat hull
  24. 24.True or false: a tea flask lining needs an electrical conductor. (a) True (b) False
  25. 25.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.Which of these needs a waterproof material? (a) a roof sheet (b) a plug pin (c) a hair band (d) a cooking pot handle
  27. 27.Which of these needs a waterproof material? (a) a raincoat (b) a skipping rope (c) a switch contact (d) a car seat belt
  28. 28.Which of these needs an electrical conductor? (a) a car windscreen (b) a boat hull (c) a plug pin (d) a window pane
  29. 29.🔍 Which is the odd one out? (a) iron (b) steel (c) glass (d) copper
  30. 30.Which of these needs a transparent material? (a) a tea flask lining (b) a spectacle lens (c) a skipping rope (d) a raincoat
  31. 31.True or false: a car windscreen needs a transparent material. (a) False (b) True
  32. 32.Which of these needs an electrical conductor? (a) a roof sheet (b) the core of a wire (c) a water tank (d) a spectacle lens
  33. 33.🔍 Which is the odd one out? (a) iron (b) steel (c) clay pottery (d) brass
  34. 34.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) iron (d) wood or plastic
  36. 36.Which of these needs a transparent material? (a) a magnifier lens (b) a yoga mat (c) a water tank (d) an oven glove
  37. 37.🧱 Which property matters most for a car windscreen? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  38. 38.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  39. 39.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  40. 40.🔍 Which is the odd one out? (a) dry wood (b) steel (c) clay pottery (d) cotton cloth

Answer key

  1. transparent
  2. heat insulator
  3. an insulator
  4. flexible
  5. steel
  6. plastic-coated cloth
  7. waterproof
  8. electrical conductor
  9. flexible
  10. an insulator
  11. transparent
  12. graphite
  13. False
  14. False
  15. aluminium
  16. heat insulator
  17. brass
  18. waterproof
  19. a car seat belt
  20. a conductor
  21. waterproof
  22. copper
  23. a window pane
  24. False
  25. a conductor
  26. a roof sheet
  27. a raincoat
  28. a plug pin
  29. glass
  30. a spectacle lens
  31. True
  32. the core of a wire
  33. clay pottery
  34. a conductor
  35. wood or plastic
  36. a magnifier lens
  37. transparent
  38. glass
  39. waterproof
  40. steel

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