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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 466 · 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 of these needs a transparent material? (a) a spectacle lens (b) a tea flask lining (c) a plug pin (d) a yoga mat
  2. 2.True or false: a raincoat needs a flexible material. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) glass (b) copper (c) rubber (d) dry wood
  4. 4.🧱 Which property matters most for a plug pin? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  5. 5.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) copper (d) aluminium
  6. 6.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🔍 Which is the odd one out? (a) steel (b) copper (c) rubber (d) graphite
  8. 8.Which of these needs a heat insulator? (a) a water tank (b) a spectacle lens (c) an oven glove (d) a skipping rope
  9. 9.Which of these needs a flexible material? (a) an oven glove (b) a water tank (c) a hair band (d) a tea flask lining
  10. 10.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  12. 12.🧱 Which property matters most for a boat hull? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  13. 13.🧱 Which property matters most for a skipping rope? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  14. 14.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  16. 16.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  17. 17.Which of these needs an electrical conductor? (a) a roof sheet (b) a magnifier lens (c) a raincoat (d) a plug pin
  18. 18.🧱 Which property matters most for a raincoat? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  19. 19.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  20. 20.Which of these needs a waterproof material? (a) an oven glove (b) a hair band (c) the core of a wire (d) a roof sheet
  21. 21.🧱 Which property matters most for an oven glove? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  22. 22.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  23. 23.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) cotton wool (d) plastic-coated cloth
  24. 24.True or false: a yoga mat needs an electrical conductor. (a) True (b) False
  25. 25.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  26. 26.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  28. 28.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  29. 29.Which of these needs a waterproof material? (a) a yoga mat (b) a spectacle lens (c) a plug pin (d) a boat hull
  30. 30.🔍 Which is the odd one out? (a) brass (b) dry wood (c) iron (d) copper
  31. 31.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.🧱 Which property matters most for a water tank? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  33. 33.Which of these needs a flexible material? (a) a cooking pot handle (b) a water tank (c) a plug pin (d) a yoga mat
  34. 34.🔍 Which is the odd one out? (a) iron (b) steel (c) copper (d) glass
  35. 35.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel
  36. 36.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) plastic (d) aluminium
  37. 37.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  38. 38.Which of these needs a heat insulator? (a) a boat hull (b) a plug pin (c) a tea flask lining (d) a magnifier lens
  39. 39.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.True or false: a boat hull needs a transparent material. (a) True (b) False

Answer key

  1. a spectacle lens
  2. False
  3. copper
  4. electrical conductor
  5. wood or plastic
  6. a conductor
  7. rubber
  8. an oven glove
  9. a hair band
  10. an insulator
  11. False
  12. waterproof
  13. flexible
  14. an insulator
  15. transparent
  16. glass
  17. a plug pin
  18. waterproof
  19. electrical conductor
  20. a roof sheet
  21. heat insulator
  22. waterproof
  23. plastic-coated cloth
  24. False
  25. flexible
  26. an insulator
  27. heat insulator
  28. copper
  29. a boat hull
  30. dry wood
  31. a conductor
  32. waterproof
  33. a yoga mat
  34. glass
  35. steel
  36. aluminium
  37. True
  38. a tea flask lining
  39. an insulator
  40. False

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