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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 179 · 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) steel (d) glass
  2. 2.🧱 Which property matters most for a car seat belt? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  3. 3.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  4. 4.Which of these needs a flexible material? (a) a boat hull (b) an oven glove (c) a hair band (d) a tea flask lining
  5. 5.Which of these needs an electrical conductor? (a) a water tank (b) a cooking pot handle (c) an oven glove (d) the core of a wire
  6. 6.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  7. 7.🔍 Which is the odd one out? (a) aluminium (b) iron (c) graphite (d) clay pottery
  8. 8.True or false: a yoga mat needs a flexible material. (a) False (b) True
  9. 9.Which of these needs a waterproof material? (a) a hair band (b) a roof sheet (c) a window pane (d) a switch contact
  10. 10.🔍 Which is the odd one out? (a) copper (b) aluminium (c) steel (d) plastic
  11. 11.Which of these needs a flexible material? (a) a water tank (b) a car seat belt (c) a magnifier lens (d) a spectacle lens
  12. 12.🧱 Which property matters most for a switch contact? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  13. 13.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  15. 15.Which of these needs a transparent material? (a) a raincoat (b) an oven glove (c) a window pane (d) a tea flask lining
  16. 16.🧱 Which property matters most for a water tank? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  17. 17.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  18. 18.🧱 Which property matters most for a yoga mat? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  19. 19.True or false: the core of a wire needs a flexible material. (a) False (b) True
  20. 20.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  21. 21.True or false: a plug pin needs a flexible material. (a) False (b) True
  22. 22.Which of these needs a transparent material? (a) a roof sheet (b) an umbrella cover (c) a spectacle lens (d) a switch contact
  23. 23.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  24. 24.Which of these needs a flexible material? (a) a water tank (b) a window pane (c) a skipping rope (d) a switch contact
  25. 25.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  26. 26.Which of these needs an electrical conductor? (a) a raincoat (b) a plug pin (c) a tea flask lining (d) a yoga mat
  27. 27.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) rubber (d) glass
  28. 28.🔍 Which is the odd one out? (a) iron (b) copper (c) glass (d) aluminium
  29. 29.Which of these needs a waterproof material? (a) a spectacle lens (b) a water tank (c) a yoga mat (d) a car seat belt
  30. 30.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.🧱 Which property matters most for a raincoat? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  32. 32.Which of these needs a waterproof material? (a) a car seat belt (b) a window pane (c) a boat hull (d) an oven glove
  33. 33.Which of these needs a heat insulator? (a) a magnifier lens (b) a raincoat (c) a skipping rope (d) a cooking pot handle
  34. 34.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  35. 35.🔍 Which is the odd one out? (a) brass (b) aluminium (c) steel (d) rubber
  36. 36.True or false: an oven glove needs a transparent material. (a) False (b) True
  37. 37.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) copper (d) aluminium
  38. 38.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  40. 40.🧱 Which property matters most for a window pane? (a) transparent (b) electrical conductor (c) waterproof (d) flexible

Answer key

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

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