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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 903 · 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) clay pottery (b) brass (c) iron (d) steel
  2. 2.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  4. 4.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) copper (d) iron
  5. 5.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  6. 6.Which of these needs a flexible material? (a) a magnifier lens (b) a window pane (c) a car seat belt (d) a boat hull
  7. 7.Which of these needs a waterproof material? (a) a cooking pot handle (b) a switch contact (c) a water tank (d) a spectacle lens
  8. 8.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  9. 9.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  11. 11.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  12. 12.🧱 Which property matters most for a spectacle lens? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  13. 13.True or false: a window pane needs a flexible material. (a) False (b) True
  14. 14.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.Which of these needs a heat insulator? (a) a switch contact (b) a cooking pot handle (c) a boat hull (d) a yoga mat
  16. 16.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Which property matters most for a magnifier lens? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  18. 18.🔍 Which is the odd one out? (a) brass (b) aluminium (c) graphite (d) rubber
  19. 19.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🔍 Which is the odd one out? (a) iron (b) glass (c) aluminium (d) brass
  21. 21.Which of these needs a heat insulator? (a) an oven glove (b) a skipping rope (c) a car windscreen (d) a raincoat
  22. 22.Which of these needs a transparent material? (a) a hair band (b) a yoga mat (c) a window pane (d) a water tank
  23. 23.True or false: a water tank needs a flexible material. (a) False (b) True
  24. 24.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel
  25. 25.Which of these needs an electrical conductor? (a) an oven glove (b) a water tank (c) a tea flask lining (d) the core of a wire
  26. 26.Which of these needs an electrical conductor? (a) a yoga mat (b) a tea flask lining (c) a plug pin (d) a spectacle lens
  27. 27.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) aluminium (d) dry wood
  28. 28.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) plastic-coated cloth (d) paper
  29. 29.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  30. 30.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  31. 31.🧱 Which property matters most for a yoga mat? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  32. 32.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  33. 33.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) copper (d) cotton cloth
  34. 34.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🔍 Which is the odd one out? (a) graphite (b) rubber (c) clay pottery (d) dry wood
  37. 37.Which of these needs a waterproof material? (a) a yoga mat (b) a car seat belt (c) a boat hull (d) a car windscreen
  38. 38.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  39. 39.True or false: a roof sheet needs a flexible material. (a) True (b) False
  40. 40.🧱 Which property matters most for a water tank? (a) electrical conductor (b) waterproof (c) flexible (d) transparent

Answer key

  1. clay pottery
  2. an insulator
  3. wood or plastic
  4. cotton cloth
  5. waterproof
  6. a car seat belt
  7. a water tank
  8. True
  9. an insulator
  10. copper
  11. transparent
  12. transparent
  13. False
  14. an insulator
  15. a cooking pot handle
  16. an insulator
  17. transparent
  18. rubber
  19. a conductor
  20. glass
  21. an oven glove
  22. a window pane
  23. False
  24. steel
  25. the core of a wire
  26. a plug pin
  27. aluminium
  28. plastic-coated cloth
  29. waterproof
  30. glass
  31. flexible
  32. flexible
  33. copper
  34. an insulator
  35. a conductor
  36. graphite
  37. a boat hull
  38. electrical conductor
  39. False
  40. waterproof

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