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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 572 · 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 a window pane? (a) wood (b) brick (c) glass (d) steel
  2. 2.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) glass (b) dry wood (c) plastic (d) iron
  4. 4.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) cotton cloth (d) copper
  5. 5.🔍 Which is the odd one out? (a) cotton cloth (b) steel (c) copper (d) aluminium
  6. 6.Which of these needs a heat insulator? (a) a window pane (b) a car seat belt (c) a roof sheet (d) a tea flask lining
  7. 7.Which of these needs an electrical conductor? (a) a car windscreen (b) an oven glove (c) an umbrella cover (d) a switch contact
  8. 8.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  9. 9.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🔍 Which is the odd one out? (a) steel (b) iron (c) graphite (d) plastic
  11. 11.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator
  12. 12.🔍 Which is the odd one out? (a) graphite (b) dry wood (c) iron (d) steel
  13. 13.Which of these needs a heat insulator? (a) an umbrella cover (b) a raincoat (c) a plug pin (d) a cooking pot handle
  14. 14.🔍 Which is the odd one out? (a) glass (b) aluminium (c) iron (d) copper
  15. 15.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  16. 16.🧱 Which material is best for the core of an electric wire? (a) copper (b) glass (c) wood (d) rubber
  17. 17.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) graphite (d) copper
  18. 18.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🧱 Which property matters most for a spectacle lens? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  20. 20.🧱 Which property matters most for a window pane? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  21. 21.True or false: the core of a wire needs a transparent material. (a) True (b) False
  22. 22.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  23. 23.Which of these needs a transparent material? (a) a raincoat (b) a roof sheet (c) a spectacle lens (d) a yoga mat
  24. 24.Which of these needs a waterproof material? (a) a magnifier lens (b) a yoga mat (c) a roof sheet (d) a window pane
  25. 25.Which of these needs an electrical conductor? (a) a yoga mat (b) a plug pin (c) a roof sheet (d) a raincoat
  26. 26.Which of these needs a transparent material? (a) a skipping rope (b) a yoga mat (c) a switch contact (d) a magnifier lens
  27. 27.🧱 Which property matters most for a hair band? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  28. 28.True or false: a boat hull needs a waterproof material. (a) True (b) False
  29. 29.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  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 hair band (b) a skipping rope (c) a boat hull (d) an oven glove
  32. 32.Which of these needs an electrical conductor? (a) a spectacle lens (b) a car windscreen (c) the core of a wire (d) a skipping rope
  33. 33.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  34. 34.Which of these needs a waterproof material? (a) an umbrella cover (b) a spectacle lens (c) an oven glove (d) a hair band
  35. 35.Which of these needs a waterproof material? (a) the core of a wire (b) a tea flask lining (c) a window pane (d) a water tank
  36. 36.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🔍 Which is the odd one out? (a) rubber (b) steel (c) copper (d) graphite
  38. 38.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  40. 40.Which of these needs a flexible material? (a) the core of a wire (b) a magnifier lens (c) a skipping rope (d) a spectacle lens

Answer key

  1. glass
  2. True
  3. iron
  4. copper
  5. cotton cloth
  6. a tea flask lining
  7. a switch contact
  8. flexible
  9. a conductor
  10. plastic
  11. transparent
  12. dry wood
  13. a cooking pot handle
  14. glass
  15. waterproof
  16. copper
  17. clay pottery
  18. a conductor
  19. transparent
  20. transparent
  21. False
  22. heat insulator
  23. a spectacle lens
  24. a roof sheet
  25. a plug pin
  26. a magnifier lens
  27. flexible
  28. True
  29. True
  30. a conductor
  31. an oven glove
  32. the core of a wire
  33. waterproof
  34. an umbrella cover
  35. a water tank
  36. a conductor
  37. rubber
  38. an insulator
  39. flexible
  40. a skipping rope

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