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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 846 · 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 boat hull? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  2. 2.Which of these needs a heat insulator? (a) a hair band (b) a raincoat (c) a cooking pot handle (d) a magnifier lens
  3. 3.🧱 Which material is best for the core of an electric wire? (a) copper (b) wood (c) rubber (d) glass
  4. 4.🧱 Which property matters most for an oven glove? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  5. 5.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) copper (d) iron
  6. 6.🔍 Which is the odd one out? (a) aluminium (b) brass (c) graphite (d) plastic
  7. 7.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.True or false: a boat hull needs a waterproof material. (a) True (b) False
  9. 9.Which of these needs a flexible material? (a) an umbrella cover (b) a boat hull (c) a raincoat (d) a car seat belt
  10. 10.🧱 Which material is best for a window pane? (a) brick (b) steel (c) wood (d) glass
  11. 11.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.Which of these needs a waterproof material? (a) a tea flask lining (b) a boat hull (c) a yoga mat (d) a switch contact
  13. 13.🧱 Which property matters most for a plug pin? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  14. 14.🔍 Which is the odd one out? (a) glass (b) dry wood (c) graphite (d) plastic
  15. 15.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🧱 Which property matters most for a yoga mat? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  17. 17.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.Which of these needs a waterproof material? (a) a raincoat (b) a yoga mat (c) a hair band (d) a plug pin
  19. 19.🔍 Which is the odd one out? (a) copper (b) brass (c) aluminium (d) cotton cloth
  20. 20.Which of these needs a waterproof material? (a) a cooking pot handle (b) a window pane (c) a yoga mat (d) an umbrella cover
  21. 21.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  22. 22.True or false: a switch contact needs a flexible material. (a) False (b) True
  23. 23.True or false: a car seat belt needs a flexible material. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) rubber (b) iron (c) plastic (d) glass
  25. 25.🧱 Which property matters most for the core of a wire? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  26. 26.🧱 Which property matters most for a switch contact? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  27. 27.🧱 Which property matters most for a tea flask lining? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  28. 28.True or false: a window pane needs a heat insulator. (a) True (b) False
  29. 29.🧱 Which property matters most for a water tank? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  30. 30.True or false: a skipping rope needs a flexible material. (a) False (b) True
  31. 31.🧱 Which property matters most for a raincoat? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  32. 32.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) plastic (d) glass
  33. 33.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  35. 35.Which of these needs an electrical conductor? (a) a spectacle lens (b) a skipping rope (c) a water tank (d) the core of a wire
  36. 36.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  37. 37.True or false: a car windscreen needs a transparent material. (a) False (b) True
  38. 38.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  39. 39.🧱 Which property matters most for a window pane? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  40. 40.Which of these needs a transparent material? (a) a water tank (b) a yoga mat (c) the core of a wire (d) a window pane

Answer key

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

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