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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 363 · 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 property matters most for a raincoat? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  2. 2.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  4. 4.True or false: an oven glove needs a flexible material. (a) True (b) False
  5. 5.🧱 Which property matters most for a boat hull? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  6. 6.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.Which of these needs a transparent material? (a) a tea flask lining (b) a skipping rope (c) a roof sheet (d) a car windscreen
  9. 9.🔍 Which is the odd one out? (a) steel (b) aluminium (c) rubber (d) iron
  10. 10.🔍 Which is the odd one out? (a) brass (b) steel (c) plastic (d) iron
  11. 11.Which of these needs a waterproof material? (a) a car seat belt (b) a boat hull (c) a window pane (d) a skipping rope
  12. 12.Which of these needs a transparent material? (a) a tea flask lining (b) a yoga mat (c) an umbrella cover (d) a spectacle lens
  13. 13.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.True or false: a raincoat needs a waterproof material. (a) False (b) True
  16. 16.Which of these needs a flexible material? (a) a boat hull (b) an umbrella cover (c) the core of a wire (d) a yoga mat
  17. 17.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) steel (d) rubber
  18. 18.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  19. 19.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) steel (d) brass
  20. 20.True or false: an oven glove needs a heat insulator. (a) False (b) True
  21. 21.Which of these needs an electrical conductor? (a) a plug pin (b) a yoga mat (c) a water tank (d) a spectacle lens
  22. 22.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  23. 23.Which of these needs a heat insulator? (a) a water tank (b) an umbrella cover (c) a cooking pot handle (d) a raincoat
  24. 24.Which of these needs a transparent material? (a) a tea flask lining (b) a window pane (c) an oven glove (d) a raincoat
  25. 25.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  26. 26.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) cotton wool (d) paper
  27. 27.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.Which of these needs an electrical conductor? (a) a boat hull (b) an oven glove (c) a switch contact (d) a tea flask lining
  30. 30.Which of these needs a heat insulator? (a) an umbrella cover (b) a plug pin (c) a spectacle lens (d) a tea flask lining
  31. 31.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  32. 32.True or false: a boat hull needs a waterproof material. (a) False (b) True
  33. 33.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  34. 34.Which of these needs a transparent material? (a) a magnifier lens (b) a tea flask lining (c) a roof sheet (d) an umbrella cover
  35. 35.🧱 Which property matters most for a roof sheet? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  36. 36.True or false: a roof sheet needs an electrical conductor. (a) False (b) True
  37. 37.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) iron (b) copper (c) brass (d) dry wood
  39. 39.True or false: a yoga mat needs a flexible material. (a) False (b) True
  40. 40.True or false: a yoga mat needs a waterproof material. (a) False (b) True

Answer key

  1. waterproof
  2. a conductor
  3. electrical conductor
  4. False
  5. waterproof
  6. an insulator
  7. a conductor
  8. a car windscreen
  9. rubber
  10. plastic
  11. a boat hull
  12. a spectacle lens
  13. a conductor
  14. an insulator
  15. True
  16. a yoga mat
  17. steel
  18. waterproof
  19. clay pottery
  20. True
  21. a plug pin
  22. glass
  23. a cooking pot handle
  24. a window pane
  25. waterproof
  26. plastic-coated cloth
  27. a conductor
  28. an insulator
  29. a switch contact
  30. a tea flask lining
  31. wood or plastic
  32. True
  33. flexible
  34. a magnifier lens
  35. waterproof
  36. False
  37. True
  38. dry wood
  39. True
  40. False

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