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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 150 · 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.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) rubber (b) glass (c) clay pottery (d) iron
  4. 4.🔍 Which is the odd one out? (a) graphite (b) copper (c) cotton cloth (d) iron
  5. 5.🧱 Which property matters most for a water tank? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  6. 6.🔍 Which is the odd one out? (a) clay pottery (b) steel (c) cotton cloth (d) plastic
  7. 7.🔍 Which is the odd one out? (a) glass (b) copper (c) dry wood (d) cotton cloth
  8. 8.🔍 Which is the odd one out? (a) dry wood (b) brass (c) steel (d) iron
  9. 9.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  10. 10.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) aluminium (d) wood or plastic
  11. 11.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  12. 12.🔍 Which is the odd one out? (a) graphite (b) steel (c) rubber (d) brass
  13. 13.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) dry wood (d) graphite
  14. 14.True or false: a tea flask lining needs a waterproof material. (a) True (b) False
  15. 15.True or false: a window pane needs a transparent material. (a) False (b) True
  16. 16.Which of these needs a waterproof material? (a) a car seat belt (b) a window pane (c) a yoga mat (d) a raincoat
  17. 17.Which of these needs a flexible material? (a) a hair band (b) a roof sheet (c) a water tank (d) an umbrella cover
  18. 18.True or false: an oven glove needs a heat insulator. (a) True (b) False
  19. 19.True or false: a skipping rope needs a transparent material. (a) True (b) False
  20. 20.Which of these needs an electrical conductor? (a) a yoga mat (b) a skipping rope (c) a roof sheet (d) a switch contact
  21. 21.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator
  22. 22.Which of these needs a heat insulator? (a) a spectacle lens (b) a cooking pot handle (c) an umbrella cover (d) a skipping rope
  23. 23.True or false: a window pane needs an electrical conductor. (a) True (b) False
  24. 24.Which of these needs an electrical conductor? (a) a raincoat (b) a window pane (c) a magnifier lens (d) the core of a wire
  25. 25.🧱 Which property matters most for a plug pin? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  26. 26.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  27. 27.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.🧱 Which property matters most for a boat hull? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  30. 30.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.Which of these needs a heat insulator? (a) a spectacle lens (b) an umbrella cover (c) a tea flask lining (d) a roof sheet
  32. 32.Which of these needs a transparent material? (a) a roof sheet (b) an oven glove (c) a window pane (d) a water tank
  33. 33.True or false: a water tank needs a waterproof material. (a) False (b) True
  34. 34.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.Which of these needs a flexible material? (a) a spectacle lens (b) a tea flask lining (c) a roof sheet (d) a car seat belt
  36. 36.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  37. 37.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  38. 38.🧱 Which property matters most for a tea flask lining? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  39. 39.Which of these needs a flexible material? (a) a car windscreen (b) a plug pin (c) a skipping rope (d) a window pane
  40. 40.True or false: a raincoat needs a transparent material. (a) False (b) True

Answer key

  1. an insulator
  2. True
  3. iron
  4. cotton cloth
  5. waterproof
  6. steel
  7. copper
  8. dry wood
  9. True
  10. wood or plastic
  11. plastic-coated cloth
  12. rubber
  13. graphite
  14. False
  15. True
  16. a raincoat
  17. a hair band
  18. True
  19. False
  20. a switch contact
  21. transparent
  22. a cooking pot handle
  23. False
  24. the core of a wire
  25. electrical conductor
  26. waterproof
  27. an insulator
  28. an insulator
  29. waterproof
  30. a conductor
  31. a tea flask lining
  32. a window pane
  33. True
  34. a conductor
  35. a car seat belt
  36. heat insulator
  37. True
  38. heat insulator
  39. a skipping rope
  40. False

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