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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 425 · 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 heat insulator? (a) a boat hull (b) a hair band (c) a raincoat (d) an oven glove
  2. 2.Which of these needs an electrical conductor? (a) a raincoat (b) a switch contact (c) a water tank (d) a cooking pot handle
  3. 3.🔍 Which is the odd one out? (a) dry wood (b) cotton cloth (c) rubber (d) iron
  4. 4.🔍 Which is the odd one out? (a) aluminium (b) brass (c) copper (d) clay pottery
  5. 5.🧱 Which property matters most for a roof sheet? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  6. 6.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cotton wool (d) cardboard
  7. 7.🧱 Which property matters most for a hair band? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  8. 8.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) clay pottery (d) brass
  9. 9.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🔍 Which is the odd one out? (a) graphite (b) copper (c) rubber (d) iron
  11. 11.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  12. 12.Which of these needs a transparent material? (a) a cooking pot handle (b) a boat hull (c) a magnifier lens (d) a raincoat
  13. 13.🧱 Which property matters most for a window pane? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  14. 14.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.Which of these needs a heat insulator? (a) a roof sheet (b) a car seat belt (c) a yoga mat (d) a tea flask lining
  16. 16.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  17. 17.True or false: a raincoat needs a flexible material. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) copper (d) glass
  19. 19.Which of these needs a flexible material? (a) a spectacle lens (b) a cooking pot handle (c) an oven glove (d) a skipping rope
  20. 20.🔍 Which is the odd one out? (a) graphite (b) rubber (c) glass (d) clay pottery
  21. 21.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  23. 23.Which of these needs an electrical conductor? (a) a spectacle lens (b) a car windscreen (c) a plug pin (d) a raincoat
  24. 24.🔍 Which is the odd one out? (a) graphite (b) steel (c) plastic (d) iron
  25. 25.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) steel (b) plastic (c) dry wood (d) clay pottery
  27. 27.True or false: a car seat belt needs a flexible material. (a) False (b) True
  28. 28.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  29. 29.🔍 Which is the odd one out? (a) copper (b) brass (c) graphite (d) dry wood
  30. 30.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  31. 31.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  32. 32.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  33. 33.Which of these needs a transparent material? (a) an umbrella cover (b) a raincoat (c) a window pane (d) a switch contact
  34. 34.🧱 Which property matters most for a car seat belt? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  35. 35.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  36. 36.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.True or false: a plug pin needs a transparent material. (a) True (b) False
  38. 38.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  39. 39.🧱 Which property matters most for a skipping rope? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  40. 40.Which of these needs a waterproof material? (a) a spectacle lens (b) a yoga mat (c) an oven glove (d) a raincoat

Answer key

  1. an oven glove
  2. a switch contact
  3. iron
  4. clay pottery
  5. waterproof
  6. plastic-coated cloth
  7. flexible
  8. brass
  9. a conductor
  10. rubber
  11. wood or plastic
  12. a magnifier lens
  13. transparent
  14. a conductor
  15. a tea flask lining
  16. transparent
  17. False
  18. glass
  19. a skipping rope
  20. graphite
  21. an insulator
  22. False
  23. a plug pin
  24. plastic
  25. True
  26. steel
  27. True
  28. waterproof
  29. dry wood
  30. steel
  31. copper
  32. heat insulator
  33. a window pane
  34. flexible
  35. heat insulator
  36. a conductor
  37. False
  38. waterproof
  39. flexible
  40. a raincoat

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