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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 310 · 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 boat hull needs a flexible material. (a) True (b) False
  2. 2.🧱 Which property matters most for a hair band? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  3. 3.🔍 Which is the odd one out? (a) glass (b) brass (c) dry wood (d) rubber
  4. 4.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) rubber (d) glass
  5. 5.Which of these needs an electrical conductor? (a) a switch contact (b) a spectacle lens (c) a window pane (d) an umbrella cover
  6. 6.🔍 Which is the odd one out? (a) steel (b) dry wood (c) rubber (d) cotton cloth
  7. 7.🔍 Which is the odd one out? (a) copper (b) aluminium (c) graphite (d) glass
  8. 8.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) rubber (d) clay pottery
  10. 10.Which of these needs a heat insulator? (a) a roof sheet (b) a cooking pot handle (c) a skipping rope (d) an umbrella cover
  11. 11.True or false: a plug pin needs a heat insulator. (a) True (b) False
  12. 12.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) aluminium (d) iron
  13. 13.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  14. 14.Which of these needs a waterproof material? (a) a switch contact (b) a roof sheet (c) a hair band (d) the core of a wire
  15. 15.🧱 Which property matters most for a switch contact? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  16. 16.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  17. 17.Which of these needs a waterproof material? (a) a magnifier lens (b) the core of a wire (c) a window pane (d) a raincoat
  18. 18.🧱 Which property matters most for a car windscreen? (a) flexible (b) heat insulator (c) electrical conductor (d) transparent
  19. 19.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Which property matters most for an umbrella cover? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  22. 22.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  23. 23.True or false: a raincoat needs a waterproof material. (a) False (b) True
  24. 24.Which of these needs a heat insulator? (a) a window pane (b) a magnifier lens (c) a raincoat (d) a tea flask lining
  25. 25.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.True or false: a window pane needs a transparent material. (a) False (b) True
  27. 27.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
  28. 28.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.Which of these needs an electrical conductor? (a) an oven glove (b) a yoga mat (c) a plug pin (d) a magnifier lens
  30. 30.Which of these needs a flexible material? (a) an oven glove (b) a roof sheet (c) a skipping rope (d) a switch contact
  31. 31.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  32. 32.🔍 Which is the odd one out? (a) clay pottery (b) graphite (c) aluminium (d) copper
  33. 33.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  34. 34.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a skipping rope? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  36. 36.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  39. 39.🧱 Which property matters most for a boat hull? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  40. 40.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) waterproof (c) transparent (d) flexible

Answer key

  1. False
  2. flexible
  3. brass
  4. steel
  5. a switch contact
  6. steel
  7. glass
  8. True
  9. graphite
  10. a cooking pot handle
  11. False
  12. wood or plastic
  13. True
  14. a roof sheet
  15. electrical conductor
  16. copper
  17. a raincoat
  18. transparent
  19. a conductor
  20. an insulator
  21. waterproof
  22. heat insulator
  23. True
  24. a tea flask lining
  25. a conductor
  26. True
  27. transparent
  28. an insulator
  29. a plug pin
  30. a skipping rope
  31. heat insulator
  32. clay pottery
  33. plastic-coated cloth
  34. a conductor
  35. flexible
  36. a conductor
  37. an insulator
  38. False
  39. waterproof
  40. flexible

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