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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 283 · 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.True or false: a raincoat needs a waterproof material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) iron (d) plastic
  3. 3.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) steel (d) cotton cloth
  4. 4.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) glass (d) plastic
  7. 7.🧱 Which material is best for a window pane? (a) steel (b) brick (c) wood (d) glass
  8. 8.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  9. 9.🧱 Which property matters most for a switch contact? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  10. 10.🧱 Which property matters most for a hair band? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  11. 11.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  12. 12.Which of these needs a heat insulator? (a) a hair band (b) a car windscreen (c) a boat hull (d) a cooking pot handle
  13. 13.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🔍 Which is the odd one out? (a) iron (b) aluminium (c) plastic (d) brass
  15. 15.🔍 Which is the odd one out? (a) brass (b) glass (c) graphite (d) iron
  16. 16.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  17. 17.Which of these needs a heat insulator? (a) an oven glove (b) a window pane (c) an umbrella cover (d) a hair band
  18. 18.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) plastic-coated cloth (d) cotton wool
  19. 19.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) copper (d) dry wood
  20. 20.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  21. 21.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  22. 22.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.Which of these needs a waterproof material? (a) a cooking pot handle (b) a water tank (c) a spectacle lens (d) a tea flask lining
  24. 24.🔍 Which is the odd one out? (a) brass (b) aluminium (c) copper (d) rubber
  25. 25.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) dry wood (d) aluminium
  28. 28.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  29. 29.True or false: a skipping rope needs a waterproof material. (a) False (b) True
  30. 30.True or false: a car windscreen needs a flexible material. (a) True (b) False
  31. 31.Which of these needs a transparent material? (a) an oven glove (b) a raincoat (c) a car windscreen (d) a yoga mat
  32. 32.True or false: a water tank needs a heat insulator. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) glass (b) rubber (c) plastic (d) steel
  34. 34.Which of these needs a flexible material? (a) a magnifier lens (b) a skipping rope (c) a water tank (d) a tea flask lining
  35. 35.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) wood (d) copper
  36. 36.Which of these needs an electrical conductor? (a) a switch contact (b) a water tank (c) a hair band (d) a raincoat
  37. 37.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  38. 38.🧱 Which property matters most for a water tank? (a) flexible (b) waterproof (c) electrical conductor (d) transparent
  39. 39.🧱 Which property matters most for a raincoat? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  40. 40.Which of these needs an electrical conductor? (a) a roof sheet (b) a plug pin (c) an umbrella cover (d) a car windscreen

Answer key

  1. True
  2. iron
  3. cotton cloth
  4. an insulator
  5. an insulator
  6. steel
  7. glass
  8. heat insulator
  9. electrical conductor
  10. flexible
  11. False
  12. a cooking pot handle
  13. an insulator
  14. plastic
  15. glass
  16. wood or plastic
  17. an oven glove
  18. plastic-coated cloth
  19. copper
  20. True
  21. transparent
  22. a conductor
  23. a water tank
  24. rubber
  25. a conductor
  26. a conductor
  27. aluminium
  28. transparent
  29. False
  30. False
  31. a car windscreen
  32. False
  33. steel
  34. a skipping rope
  35. copper
  36. a switch contact
  37. heat insulator
  38. waterproof
  39. waterproof
  40. a plug pin

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