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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 699 · 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 material is best for a window pane? (a) wood (b) glass (c) brick (d) steel
  2. 2.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  3. 3.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) paper (d) cotton wool
  4. 4.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) clay pottery (d) iron
  5. 5.Which of these needs an electrical conductor? (a) a window pane (b) a yoga mat (c) a raincoat (d) the core of a wire
  6. 6.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  7. 7.🔍 Which is the odd one out? (a) brass (b) copper (c) glass (d) graphite
  8. 8.🧱 Which property matters most for a window pane? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  9. 9.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.Which of these needs a waterproof material? (a) a window pane (b) a magnifier lens (c) a boat hull (d) a spectacle lens
  11. 11.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🔍 Which is the odd one out? (a) dry wood (b) brass (c) graphite (d) steel
  13. 13.Which of these needs a flexible material? (a) an umbrella cover (b) a hair band (c) a tea flask lining (d) a car windscreen
  14. 14.True or false: a water tank needs an electrical conductor. (a) False (b) True
  15. 15.True or false: an oven glove needs a transparent material. (a) False (b) True
  16. 16.Which of these needs a flexible material? (a) a car windscreen (b) a boat hull (c) an oven glove (d) a yoga mat
  17. 17.🧱 Which property matters most for a raincoat? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  18. 18.Which of these needs a transparent material? (a) an umbrella cover (b) a water tank (c) a window pane (d) a yoga mat
  19. 19.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  21. 21.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  22. 22.🔍 Which is the odd one out? (a) rubber (b) brass (c) aluminium (d) graphite
  23. 23.🧱 Which property matters most for the core of a wire? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  24. 24.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.True or false: a plug pin needs a waterproof material. (a) True (b) False
  27. 27.True or false: an oven glove needs a heat insulator. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) rubber (d) plastic
  29. 29.🧱 Which property matters most for an oven glove? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  30. 30.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  31. 31.Which of these needs a transparent material? (a) a water tank (b) a car seat belt (c) a cooking pot handle (d) a magnifier lens
  32. 32.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  33. 33.Which of these needs a flexible material? (a) the core of a wire (b) a magnifier lens (c) a car seat belt (d) a switch contact
  34. 34.Which of these needs a waterproof material? (a) a window pane (b) an oven glove (c) an umbrella cover (d) a yoga mat
  35. 35.🧱 Which property matters most for a car windscreen? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  36. 36.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  37. 37.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.🔍 Which is the odd one out? (a) dry wood (b) steel (c) rubber (d) clay pottery
  39. 39.🧱 Which property matters most for a roof sheet? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  40. 40.🔍 Which is the odd one out? (a) brass (b) glass (c) clay pottery (d) rubber

Answer key

  1. glass
  2. heat insulator
  3. plastic-coated cloth
  4. iron
  5. the core of a wire
  6. electrical conductor
  7. glass
  8. transparent
  9. an insulator
  10. a boat hull
  11. a conductor
  12. dry wood
  13. a hair band
  14. False
  15. False
  16. a yoga mat
  17. waterproof
  18. a window pane
  19. an insulator
  20. True
  21. wood or plastic
  22. rubber
  23. electrical conductor
  24. an insulator
  25. a conductor
  26. False
  27. True
  28. graphite
  29. heat insulator
  30. transparent
  31. a magnifier lens
  32. copper
  33. a car seat belt
  34. an umbrella cover
  35. transparent
  36. transparent
  37. an insulator
  38. steel
  39. waterproof
  40. brass

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