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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 355 · 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 an electrical conductor? (a) a boat hull (b) a water tank (c) a switch contact (d) a roof sheet
  2. 2.Which of these needs a flexible material? (a) a window pane (b) a raincoat (c) a plug pin (d) a car seat belt
  3. 3.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  4. 4.True or false: a hair band needs a heat insulator. (a) False (b) True
  5. 5.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  6. 6.Which of these needs a transparent material? (a) an umbrella cover (b) a car seat belt (c) a roof sheet (d) a window pane
  7. 7.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  8. 8.🧱 Which material is best for a cooking pot handle? (a) iron (b) copper (c) wood or plastic (d) aluminium
  9. 9.Which of these needs a waterproof material? (a) a boat hull (b) the core of a wire (c) a plug pin (d) a spectacle lens
  10. 10.Which of these needs an electrical conductor? (a) an oven glove (b) the core of a wire (c) a roof sheet (d) a water tank
  11. 11.Which of these needs a waterproof material? (a) a skipping rope (b) a tea flask lining (c) a yoga mat (d) a water tank
  12. 12.🔍 Which is the odd one out? (a) graphite (b) brass (c) copper (d) clay pottery
  13. 13.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cotton wool (c) paper (d) cardboard
  14. 14.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.Which of these needs an electrical conductor? (a) a plug pin (b) a raincoat (c) a cooking pot handle (d) an oven glove
  16. 16.Which of these needs a flexible material? (a) a yoga mat (b) a water tank (c) an oven glove (d) a spectacle lens
  17. 17.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.Which of these needs a flexible material? (a) the core of a wire (b) a skipping rope (c) a water tank (d) a cooking pot handle
  19. 19.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  21. 21.Which of these needs a waterproof material? (a) a switch contact (b) a car windscreen (c) a plug pin (d) a raincoat
  22. 22.🧱 Which property matters most for the core of a wire? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  23. 23.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  24. 24.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  25. 25.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) dry wood (b) steel (c) rubber (d) clay pottery
  28. 28.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  29. 29.🧱 Which material is best for a window pane? (a) steel (b) wood (c) glass (d) brick
  30. 30.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  31. 31.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  32. 32.🧱 Which property matters most for a yoga mat? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  33. 33.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  34. 34.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) copper (d) iron
  35. 35.True or false: an oven glove needs a heat insulator. (a) True (b) False
  36. 36.Which of these needs a flexible material? (a) a window pane (b) a water tank (c) a hair band (d) a car windscreen
  37. 37.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  38. 38.🔍 Which is the odd one out? (a) steel (b) graphite (c) plastic (d) copper
  39. 39.🧱 Which property matters most for a car seat belt? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  40. 40.🧱 Which property matters most for a switch contact? (a) waterproof (b) transparent (c) flexible (d) electrical conductor

Answer key

  1. a switch contact
  2. a car seat belt
  3. transparent
  4. False
  5. True
  6. a window pane
  7. steel
  8. wood or plastic
  9. a boat hull
  10. the core of a wire
  11. a water tank
  12. clay pottery
  13. plastic-coated cloth
  14. a conductor
  15. a plug pin
  16. a yoga mat
  17. an insulator
  18. a skipping rope
  19. a conductor
  20. an insulator
  21. a raincoat
  22. electrical conductor
  23. waterproof
  24. electrical conductor
  25. an insulator
  26. True
  27. steel
  28. heat insulator
  29. glass
  30. True
  31. True
  32. flexible
  33. transparent
  34. rubber
  35. True
  36. a hair band
  37. waterproof
  38. plastic
  39. flexible
  40. electrical conductor

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