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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 849 · 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 of these needs a waterproof material? (a) a car windscreen (b) a boat hull (c) a hair band (d) a yoga mat
  2. 2.Which of these needs a transparent material? (a) an umbrella cover (b) a skipping rope (c) a window pane (d) the core of a wire
  3. 3.🔍 Which is the odd one out? (a) rubber (b) iron (c) cotton cloth (d) clay pottery
  4. 4.Which of these needs an electrical conductor? (a) a spectacle lens (b) a raincoat (c) a plug pin (d) a car windscreen
  5. 5.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.True or false: a car windscreen needs a transparent material. (a) False (b) True
  7. 7.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.Which of these needs a heat insulator? (a) a roof sheet (b) a car windscreen (c) a car seat belt (d) a cooking pot handle
  9. 9.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.Which of these needs a flexible material? (a) a hair band (b) a water tank (c) a spectacle lens (d) a boat hull
  13. 13.🔍 Which is the odd one out? (a) plastic (b) rubber (c) copper (d) cotton cloth
  14. 14.🔍 Which is the odd one out? (a) steel (b) glass (c) clay pottery (d) plastic
  15. 15.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  16. 16.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  17. 17.🧱 Which property matters most for a boat hull? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  18. 18.🔍 Which is the odd one out? (a) iron (b) copper (c) aluminium (d) rubber
  19. 19.Which of these needs a waterproof material? (a) a hair band (b) a raincoat (c) a magnifier lens (d) the core of a wire
  20. 20.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) glass (d) rubber
  21. 21.🔍 Which is the odd one out? (a) iron (b) copper (c) clay pottery (d) steel
  22. 22.🔍 Which is the odd one out? (a) brass (b) glass (c) cotton cloth (d) rubber
  23. 23.🧱 Which property matters most for a hair band? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  24. 24.Which of these needs a transparent material? (a) a tea flask lining (b) a car windscreen (c) a boat hull (d) a skipping rope
  25. 25.🔍 Which is the odd one out? (a) brass (b) steel (c) aluminium (d) dry wood
  26. 26.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  27. 27.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) dry wood (d) graphite
  29. 29.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  30. 30.True or false: a spectacle lens needs an electrical conductor. (a) False (b) True
  31. 31.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  32. 32.Which of these needs an electrical conductor? (a) a magnifier lens (b) a yoga mat (c) the core of a wire (d) a spectacle lens
  33. 33.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  34. 34.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  35. 35.🔍 Which is the odd one out? (a) steel (b) cotton cloth (c) aluminium (d) copper
  36. 36.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  37. 37.Which of these needs a heat insulator? (a) an umbrella cover (b) a raincoat (c) a tea flask lining (d) a water tank
  38. 38.Which of these needs a transparent material? (a) a hair band (b) an oven glove (c) a skipping rope (d) a spectacle lens
  39. 39.Which of these needs a waterproof material? (a) a skipping rope (b) a window pane (c) an umbrella cover (d) a hair band
  40. 40.True or false: a car windscreen needs a flexible material. (a) True (b) False

Answer key

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

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