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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 118 · 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.True or false: a car windscreen needs a waterproof material. (a) False (b) True
  2. 2.🧱 Which property matters most for a yoga mat? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  3. 3.True or false: a spectacle lens needs an electrical conductor. (a) True (b) False
  4. 4.True or false: a window pane needs a waterproof material. (a) True (b) False
  5. 5.🧱 Which material is best for a window pane? (a) brick (b) steel (c) wood (d) glass
  6. 6.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  8. 8.🧱 Which property matters most for a boat hull? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  9. 9.Which of these needs an electrical conductor? (a) a boat hull (b) the core of a wire (c) a water tank (d) an oven glove
  10. 10.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  11. 11.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.Which of these needs a flexible material? (a) a window pane (b) a boat hull (c) a raincoat (d) a skipping rope
  14. 14.Which of these needs a heat insulator? (a) an oven glove (b) a skipping rope (c) a roof sheet (d) an umbrella cover
  15. 15.🧱 Which material is best for the core of an electric wire? (a) copper (b) glass (c) rubber (d) wood
  16. 16.🧱 Which property matters most for an umbrella cover? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  17. 17.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) glass (d) rubber
  18. 18.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🧱 Which property matters most for a car windscreen? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  20. 20.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) copper (d) iron
  21. 21.🔍 Which is the odd one out? (a) rubber (b) iron (c) steel (d) brass
  22. 22.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) copper (d) iron
  23. 23.Which of these needs a transparent material? (a) an umbrella cover (b) a raincoat (c) a cooking pot handle (d) a magnifier lens
  24. 24.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.True or false: a skipping rope needs a transparent material. (a) True (b) False
  26. 26.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  27. 27.🔍 Which is the odd one out? (a) aluminium (b) steel (c) brass (d) dry wood
  28. 28.Which of these needs a transparent material? (a) an umbrella cover (b) a cooking pot handle (c) an oven glove (d) a spectacle lens
  29. 29.Which of these needs a waterproof material? (a) a raincoat (b) a hair band (c) a plug pin (d) a magnifier lens
  30. 30.Which of these needs a flexible material? (a) a plug pin (b) an umbrella cover (c) a car seat belt (d) a car windscreen
  31. 31.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) aluminium (d) glass
  32. 32.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) rubber (d) graphite
  33. 33.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) copper (d) cotton cloth
  34. 34.True or false: a magnifier lens needs a heat insulator. (a) True (b) False
  35. 35.Which of these needs a flexible material? (a) a window pane (b) the core of a wire (c) a water tank (d) a yoga mat
  36. 36.Which of these needs a heat insulator? (a) a magnifier lens (b) a window pane (c) a water tank (d) a tea flask lining
  37. 37.🧱 Which property matters most for a hair band? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  38. 38.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  39. 39.🔍 Which is the odd one out? (a) copper (b) iron (c) steel (d) cotton cloth
  40. 40.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. False
  2. flexible
  3. False
  4. False
  5. glass
  6. an insulator
  7. True
  8. waterproof
  9. the core of a wire
  10. heat insulator
  11. a conductor
  12. a conductor
  13. a skipping rope
  14. an oven glove
  15. copper
  16. waterproof
  17. steel
  18. a conductor
  19. transparent
  20. plastic
  21. rubber
  22. clay pottery
  23. a magnifier lens
  24. an insulator
  25. False
  26. heat insulator
  27. dry wood
  28. a spectacle lens
  29. a raincoat
  30. a car seat belt
  31. aluminium
  32. graphite
  33. copper
  34. False
  35. a yoga mat
  36. a tea flask lining
  37. flexible
  38. waterproof
  39. cotton cloth
  40. an insulator

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