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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 319 · 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 cooking pot handle needs a waterproof material. (a) False (b) True
  2. 2.Which of these needs a transparent material? (a) a window pane (b) an oven glove (c) a raincoat (d) an umbrella cover
  3. 3.🔍 Which is the odd one out? (a) rubber (b) graphite (c) iron (d) steel
  4. 4.Which of these needs an electrical conductor? (a) a yoga mat (b) a plug pin (c) a boat hull (d) a water tank
  5. 5.🧱 Which material is best for a window pane? (a) steel (b) glass (c) brick (d) wood
  6. 6.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  8. 8.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) flexible (d) transparent
  9. 9.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  10. 10.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  11. 11.True or false: a hair band needs a flexible material. (a) True (b) False
  12. 12.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🧱 Which property matters most for a water tank? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  15. 15.True or false: a car windscreen needs a transparent material. (a) False (b) True
  16. 16.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.True or false: an oven glove needs a transparent material. (a) True (b) False
  19. 19.True or false: a switch contact needs a waterproof material. (a) True (b) False
  20. 20.🧱 Which property matters most for a tea flask lining? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  21. 21.Which of these needs a heat insulator? (a) the core of a wire (b) a tea flask lining (c) a skipping rope (d) a window pane
  22. 22.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) glass (d) copper
  23. 23.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  24. 24.🔍 Which is the odd one out? (a) plastic (b) rubber (c) glass (d) aluminium
  25. 25.🔍 Which is the odd one out? (a) plastic (b) copper (c) glass (d) rubber
  26. 26.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🔍 Which is the odd one out? (a) plastic (b) glass (c) iron (d) clay pottery
  28. 28.🔍 Which is the odd one out? (a) copper (b) cotton cloth (c) graphite (d) iron
  29. 29.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.Which of these needs a heat insulator? (a) a yoga mat (b) a window pane (c) an oven glove (d) a hair band
  31. 31.🔍 Which is the odd one out? (a) dry wood (b) glass (c) rubber (d) brass
  32. 32.Which of these needs a transparent material? (a) a skipping rope (b) an umbrella cover (c) the core of a wire (d) a car windscreen
  33. 33.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  34. 34.Which of these needs an electrical conductor? (a) a skipping rope (b) a magnifier lens (c) the core of a wire (d) a hair band
  35. 35.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🧱 Which property matters most for a hair band? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  37. 37.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.Which of these needs a transparent material? (a) a tea flask lining (b) an umbrella cover (c) the core of a wire (d) a magnifier lens
  39. 39.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  40. 40.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) brass (d) steel

Answer key

  1. False
  2. a window pane
  3. rubber
  4. a plug pin
  5. glass
  6. a conductor
  7. heat insulator
  8. transparent
  9. plastic-coated cloth
  10. waterproof
  11. True
  12. an insulator
  13. an insulator
  14. waterproof
  15. True
  16. a conductor
  17. an insulator
  18. False
  19. False
  20. heat insulator
  21. a tea flask lining
  22. copper
  23. electrical conductor
  24. aluminium
  25. copper
  26. a conductor
  27. iron
  28. cotton cloth
  29. a conductor
  30. an oven glove
  31. brass
  32. a car windscreen
  33. electrical conductor
  34. the core of a wire
  35. an insulator
  36. flexible
  37. a conductor
  38. a magnifier lens
  39. transparent
  40. dry wood

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