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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 458 · 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 water tank needs a waterproof material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) steel (d) iron
  3. 3.🧱 Which property matters most for a boat hull? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  4. 4.🧱 Which property matters most for a car seat belt? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  5. 5.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🔍 Which is the odd one out? (a) iron (b) aluminium (c) glass (d) steel
  7. 7.🔍 Which is the odd one out? (a) glass (b) aluminium (c) rubber (d) plastic
  8. 8.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  9. 9.Which of these needs a flexible material? (a) a cooking pot handle (b) a yoga mat (c) a magnifier lens (d) a plug pin
  10. 10.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
  11. 11.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  12. 12.🧱 Which property matters most for a yoga mat? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  13. 13.True or false: a hair band needs a flexible material. (a) True (b) False
  14. 14.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  15. 15.🧱 Which property matters most for an oven glove? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  16. 16.Which of these needs a waterproof material? (a) a window pane (b) an oven glove (c) an umbrella cover (d) a yoga mat
  17. 17.Which of these needs a heat insulator? (a) an umbrella cover (b) a raincoat (c) a car seat belt (d) a cooking pot handle
  18. 18.True or false: a skipping rope needs a flexible material. (a) True (b) False
  19. 19.Which of these needs a transparent material? (a) an umbrella cover (b) a boat hull (c) a car windscreen (d) a yoga mat
  20. 20.🧱 Which property matters most for a skipping rope? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  21. 21.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  22. 22.🧱 Which property matters most for a car windscreen? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  23. 23.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.Which of these needs an electrical conductor? (a) a boat hull (b) an umbrella cover (c) a spectacle lens (d) the core of a wire
  25. 25.🧱 Which material is best for a window pane? (a) wood (b) glass (c) steel (d) brick
  26. 26.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.Which of these needs a transparent material? (a) a skipping rope (b) an oven glove (c) a yoga mat (d) a spectacle lens
  28. 28.Which of these needs a waterproof material? (a) a roof sheet (b) a hair band (c) a tea flask lining (d) a car seat belt
  29. 29.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  30. 30.Which of these needs a heat insulator? (a) a tea flask lining (b) an umbrella cover (c) a raincoat (d) a roof sheet
  31. 31.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Which property matters most for a hair band? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  33. 33.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) graphite (d) glass
  34. 34.🧱 Which property matters most for a magnifier lens? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  35. 35.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  36. 36.True or false: a car windscreen needs a transparent material. (a) False (b) True
  37. 37.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  38. 38.🔍 Which is the odd one out? (a) steel (b) plastic (c) aluminium (d) graphite
  39. 39.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible

Answer key

  1. True
  2. cotton cloth
  3. waterproof
  4. flexible
  5. an insulator
  6. glass
  7. aluminium
  8. wood or plastic
  9. a yoga mat
  10. copper
  11. True
  12. flexible
  13. True
  14. plastic-coated cloth
  15. heat insulator
  16. an umbrella cover
  17. a cooking pot handle
  18. True
  19. a car windscreen
  20. flexible
  21. True
  22. transparent
  23. an insulator
  24. the core of a wire
  25. glass
  26. a conductor
  27. a spectacle lens
  28. a roof sheet
  29. waterproof
  30. a tea flask lining
  31. a conductor
  32. flexible
  33. graphite
  34. transparent
  35. electrical conductor
  36. True
  37. transparent
  38. plastic
  39. a conductor
  40. heat insulator

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