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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 187 · 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 material is best for the bars inside concrete? (a) steel (b) glass (c) plastic (d) rubber
  2. 2.🔍 Which is the odd one out? (a) graphite (b) rubber (c) clay pottery (d) glass
  3. 3.Which of these needs a heat insulator? (a) a spectacle lens (b) a cooking pot handle (c) a car windscreen (d) the core of a wire
  4. 4.Which of these needs an electrical conductor? (a) a boat hull (b) a skipping rope (c) a water tank (d) the core of a wire
  5. 5.🔍 Which is the odd one out? (a) copper (b) graphite (c) steel (d) glass
  6. 6.Which of these needs a heat insulator? (a) a car seat belt (b) a skipping rope (c) a tea flask lining (d) a raincoat
  7. 7.Which of these needs a flexible material? (a) a skipping rope (b) the core of a wire (c) a car windscreen (d) an oven glove
  8. 8.Which of these needs a flexible material? (a) a tea flask lining (b) a car seat belt (c) a plug pin (d) a switch contact
  9. 9.🧱 Which property matters most for a water tank? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  10. 10.🧱 Which material is best for a window pane? (a) steel (b) brick (c) glass (d) wood
  11. 11.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) aluminium (d) graphite
  12. 12.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  13. 13.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) glass (d) dry wood
  14. 14.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  15. 15.Which of these needs a heat insulator? (a) a car windscreen (b) a water tank (c) a magnifier lens (d) an oven glove
  16. 16.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  18. 18.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  19. 19.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  20. 20.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  21. 21.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.Which of these needs an electrical conductor? (a) a cooking pot handle (b) an umbrella cover (c) a car seat belt (d) a switch contact
  23. 23.True or false: a car seat belt needs a flexible material. (a) False (b) True
  24. 24.🧱 Which property matters most for a roof sheet? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  25. 25.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  26. 26.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.🧱 Which property matters most for a switch contact? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  28. 28.🧱 Which property matters most for an oven glove? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  29. 29.🔍 Which is the odd one out? (a) copper (b) aluminium (c) graphite (d) clay pottery
  30. 30.🧱 Which property matters most for a car seat belt? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  31. 31.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  33. 33.Which of these needs a transparent material? (a) a window pane (b) a roof sheet (c) a water tank (d) a raincoat
  34. 34.Which of these needs a waterproof material? (a) a skipping rope (b) a spectacle lens (c) a cooking pot handle (d) a water tank
  35. 35.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  37. 37.Which of these needs a transparent material? (a) a car windscreen (b) a yoga mat (c) a skipping rope (d) an oven glove
  38. 38.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  39. 39.🔍 Which is the odd one out? (a) steel (b) dry wood (c) glass (d) clay pottery
  40. 40.True or false: a spectacle lens needs a transparent material. (a) True (b) False

Answer key

  1. steel
  2. graphite
  3. a cooking pot handle
  4. the core of a wire
  5. glass
  6. a tea flask lining
  7. a skipping rope
  8. a car seat belt
  9. waterproof
  10. glass
  11. cotton cloth
  12. electrical conductor
  13. copper
  14. transparent
  15. an oven glove
  16. a conductor
  17. waterproof
  18. heat insulator
  19. False
  20. True
  21. an insulator
  22. a switch contact
  23. True
  24. waterproof
  25. transparent
  26. a conductor
  27. electrical conductor
  28. heat insulator
  29. clay pottery
  30. flexible
  31. an insulator
  32. heat insulator
  33. a window pane
  34. a water tank
  35. a conductor
  36. True
  37. a car windscreen
  38. transparent
  39. steel
  40. True

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