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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 968 · 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 water tank? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  2. 2.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber
  3. 3.🔍 Which is the odd one out? (a) glass (b) rubber (c) dry wood (d) copper
  4. 4.🧱 Which property matters most for a plug pin? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  5. 5.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  7. 7.Which of these needs an electrical conductor? (a) a magnifier lens (b) the core of a wire (c) a raincoat (d) a water tank
  8. 8.Which of these needs a transparent material? (a) a tea flask lining (b) a boat hull (c) a raincoat (d) a window pane
  9. 9.🧱 Which property matters most for a switch contact? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  10. 10.True or false: a water tank needs a flexible material. (a) True (b) False
  11. 11.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  12. 12.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  13. 13.True or false: a boat hull needs a waterproof material. (a) True (b) False
  14. 14.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.True or false: a yoga mat needs a transparent material. (a) False (b) True
  16. 16.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.True or false: a skipping rope needs a transparent material. (a) False (b) True
  18. 18.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  19. 19.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  20. 20.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) plastic (b) steel (c) graphite (d) brass
  22. 22.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.🔍 Which is the odd one out? (a) rubber (b) iron (c) brass (d) aluminium
  24. 24.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) plastic-coated cloth (d) cotton wool
  25. 25.Which of these needs a waterproof material? (a) a tea flask lining (b) a magnifier lens (c) an umbrella cover (d) a plug pin
  26. 26.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.🧱 Which property matters most for a window pane? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  28. 28.🧱 Which property matters most for a roof sheet? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  29. 29.Which of these needs a flexible material? (a) a switch contact (b) a car seat belt (c) a magnifier lens (d) an umbrella cover
  30. 30.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.🧱 Which material is best for a window pane? (a) steel (b) brick (c) wood (d) glass
  32. 32.True or false: a hair band needs a waterproof material. (a) False (b) True
  33. 33.True or false: a raincoat needs a waterproof material. (a) False (b) True
  34. 34.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  35. 35.True or false: an oven glove needs a heat insulator. (a) False (b) True
  36. 36.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  37. 37.🧱 Which property matters most for a boat hull? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  38. 38.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  39. 39.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.Which of these needs an electrical conductor? (a) a window pane (b) a water tank (c) a magnifier lens (d) a plug pin

Answer key

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

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