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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 111 · 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 of these needs a waterproof material? (a) a tea flask lining (b) the core of a wire (c) a raincoat (d) a car windscreen
  2. 2.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  3. 3.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  4. 4.Which of these needs a waterproof material? (a) a yoga mat (b) a spectacle lens (c) a tea flask lining (d) a roof sheet
  5. 5.🔍 Which is the odd one out? (a) iron (b) rubber (c) aluminium (d) steel
  6. 6.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  7. 7.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  8. 8.True or false: a switch contact needs a heat insulator. (a) True (b) False
  9. 9.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  10. 10.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  11. 11.Which of these needs a transparent material? (a) a car seat belt (b) a skipping rope (c) a yoga mat (d) a magnifier lens
  12. 12.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) graphite (d) clay pottery
  14. 14.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  15. 15.True or false: a car seat belt needs a flexible material. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) copper (b) steel (c) dry wood (d) iron
  17. 17.🧱 Which property matters most for a hair band? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  18. 18.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  19. 19.True or false: a yoga mat needs a flexible material. (a) True (b) False
  20. 20.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  21. 21.Which of these needs a flexible material? (a) the core of a wire (b) a skipping rope (c) a window pane (d) a boat hull
  22. 22.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  23. 23.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Which property matters most for a plug pin? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  25. 25.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  26. 26.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.Which of these needs an electrical conductor? (a) a hair band (b) a cooking pot handle (c) the core of a wire (d) a yoga mat
  28. 28.🧱 Which material is best for a window pane? (a) glass (b) wood (c) brick (d) steel
  29. 29.🧱 Which property matters most for a water tank? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  30. 30.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  31. 31.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.Which of these needs a waterproof material? (a) a hair band (b) an umbrella cover (c) a plug pin (d) an oven glove
  33. 33.True or false: a raincoat needs a flexible material. (a) False (b) True
  34. 34.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  35. 35.Which of these needs a flexible material? (a) a water tank (b) a car seat belt (c) a boat hull (d) a spectacle lens
  36. 36.Which of these needs a transparent material? (a) a car seat belt (b) a roof sheet (c) a water tank (d) a window pane
  37. 37.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) rubber (d) glass
  38. 38.True or false: a window pane needs a transparent material. (a) True (b) False
  39. 39.True or false: a boat hull needs a heat insulator. (a) False (b) True
  40. 40.Which of these needs a heat insulator? (a) a magnifier lens (b) an oven glove (c) a roof sheet (d) a plug pin

Answer key

  1. a raincoat
  2. waterproof
  3. flexible
  4. a roof sheet
  5. rubber
  6. heat insulator
  7. transparent
  8. False
  9. heat insulator
  10. transparent
  11. a magnifier lens
  12. a conductor
  13. graphite
  14. True
  15. True
  16. dry wood
  17. flexible
  18. True
  19. True
  20. wood or plastic
  21. a skipping rope
  22. copper
  23. a conductor
  24. electrical conductor
  25. waterproof
  26. an insulator
  27. the core of a wire
  28. glass
  29. waterproof
  30. True
  31. an insulator
  32. an umbrella cover
  33. False
  34. False
  35. a car seat belt
  36. a window pane
  37. aluminium
  38. True
  39. False
  40. an oven glove

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