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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 580 · 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 the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  2. 2.True or false: a roof sheet needs a heat insulator. (a) False (b) True
  3. 3.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.🧱 Which property matters most for a car windscreen? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  5. 5.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  6. 6.🧱 Which property matters most for a spectacle lens? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  7. 7.Which of these needs a waterproof material? (a) a magnifier lens (b) the core of a wire (c) a window pane (d) a roof sheet
  8. 8.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  9. 9.Which of these needs an electrical conductor? (a) a tea flask lining (b) a switch contact (c) a yoga mat (d) a car windscreen
  10. 10.Which of these needs a transparent material? (a) a window pane (b) an umbrella cover (c) a boat hull (d) a car seat belt
  11. 11.🔍 Which is the odd one out? (a) copper (b) clay pottery (c) rubber (d) plastic
  12. 12.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Which property matters most for a window pane? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  14. 14.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) plastic-coated cloth (d) cotton wool
  15. 15.Which of these needs a transparent material? (a) a boat hull (b) a cooking pot handle (c) an oven glove (d) a magnifier lens
  16. 16.🔍 Which is the odd one out? (a) brass (b) plastic (c) graphite (d) aluminium
  17. 17.🔍 Which is the odd one out? (a) iron (b) plastic (c) glass (d) cotton cloth
  18. 18.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) copper (d) aluminium
  19. 19.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.True or false: a skipping rope needs a flexible material. (a) True (b) False
  22. 22.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  23. 23.🔍 Which is the odd one out? (a) copper (b) steel (c) brass (d) cotton cloth
  24. 24.Which of these needs an electrical conductor? (a) the core of a wire (b) a tea flask lining (c) a skipping rope (d) a boat hull
  25. 25.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  26. 26.Which of these needs a waterproof material? (a) the core of a wire (b) an oven glove (c) an umbrella cover (d) a hair band
  27. 27.True or false: a car seat belt needs a flexible material. (a) True (b) False
  28. 28.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  29. 29.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.True or false: a boat hull needs a waterproof material. (a) True (b) False
  31. 31.Which of these needs a waterproof material? (a) a tea flask lining (b) the core of a wire (c) a magnifier lens (d) a boat hull
  32. 32.Which of these needs an electrical conductor? (a) an umbrella cover (b) a hair band (c) a plug pin (d) a spectacle lens
  33. 33.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  34. 34.True or false: a water tank needs a waterproof material. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) dry wood (d) aluminium
  36. 36.🧱 Which property matters most for a tea flask lining? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  37. 37.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) aluminium (d) copper
  38. 38.Which of these needs a waterproof material? (a) a magnifier lens (b) a tea flask lining (c) a raincoat (d) a yoga mat
  39. 39.Which of these needs a transparent material? (a) a cooking pot handle (b) a car seat belt (c) a spectacle lens (d) a hair band
  40. 40.🧱 Which property matters most for a raincoat? (a) transparent (b) heat insulator (c) waterproof (d) flexible

Answer key

  1. steel
  2. False
  3. an insulator
  4. transparent
  5. waterproof
  6. transparent
  7. a roof sheet
  8. True
  9. a switch contact
  10. a window pane
  11. copper
  12. a conductor
  13. transparent
  14. plastic-coated cloth
  15. a magnifier lens
  16. plastic
  17. iron
  18. wood or plastic
  19. an insulator
  20. a conductor
  21. True
  22. False
  23. cotton cloth
  24. the core of a wire
  25. heat insulator
  26. an umbrella cover
  27. True
  28. False
  29. a conductor
  30. True
  31. a boat hull
  32. a plug pin
  33. glass
  34. True
  35. aluminium
  36. heat insulator
  37. clay pottery
  38. a raincoat
  39. a spectacle lens
  40. waterproof

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