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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 455 · 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 is the odd one out? (a) brass (b) clay pottery (c) copper (d) aluminium
  2. 2.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.🧱 Which property matters most for a car seat belt? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  4. 4.True or false: a roof sheet needs a heat insulator. (a) False (b) True
  5. 5.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  6. 6.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) rubber (d) brass
  7. 7.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  8. 8.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.Which of these needs a transparent material? (a) an umbrella cover (b) a cooking pot handle (c) a boat hull (d) a magnifier lens
  11. 11.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  12. 12.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  13. 13.🧱 Which property matters most for a plug pin? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  14. 14.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  17. 17.🧱 Which property matters most for a car windscreen? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  18. 18.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  20. 20.Which of these needs an electrical conductor? (a) a window pane (b) an umbrella cover (c) a plug pin (d) a hair band
  21. 21.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  22. 22.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  23. 23.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) dry wood (d) iron
  24. 24.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.Which of these needs a heat insulator? (a) a car seat belt (b) a raincoat (c) a switch contact (d) a tea flask lining
  26. 26.True or false: a skipping rope needs a transparent material. (a) True (b) False
  27. 27.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) rubber (d) glass
  28. 28.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.🔍 Which is the odd one out? (a) copper (b) iron (c) cotton cloth (d) aluminium
  30. 30.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) cotton wool (d) paper
  31. 31.Which of these needs a flexible material? (a) an umbrella cover (b) a tea flask lining (c) a hair band (d) a roof sheet
  32. 32.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  33. 33.🔍 Which is the odd one out? (a) graphite (b) iron (c) brass (d) plastic
  34. 34.True or false: a plug pin needs a flexible material. (a) True (b) False
  35. 35.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  36. 36.True or false: a roof sheet needs a flexible material. (a) False (b) True
  37. 37.Which of these needs a flexible material? (a) a window pane (b) an umbrella cover (c) a car seat belt (d) a switch contact
  38. 38.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  39. 39.🧱 Which property matters most for a water tank? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  40. 40.🧱 Which property matters most for a boat hull? (a) waterproof (b) flexible (c) transparent (d) heat insulator

Answer key

  1. clay pottery
  2. a conductor
  3. flexible
  4. False
  5. electrical conductor
  6. brass
  7. wood or plastic
  8. an insulator
  9. an insulator
  10. a magnifier lens
  11. flexible
  12. glass
  13. electrical conductor
  14. an insulator
  15. an insulator
  16. copper
  17. transparent
  18. a conductor
  19. flexible
  20. a plug pin
  21. heat insulator
  22. transparent
  23. iron
  24. an insulator
  25. a tea flask lining
  26. False
  27. steel
  28. a conductor
  29. cotton cloth
  30. plastic-coated cloth
  31. a hair band
  32. heat insulator
  33. plastic
  34. False
  35. False
  36. False
  37. a car seat belt
  38. waterproof
  39. waterproof
  40. waterproof

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