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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 869 · 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 a flexible material? (a) a water tank (b) a spectacle lens (c) a tea flask lining (d) a skipping rope
  2. 2.🔍 Which is the odd one out? (a) copper (b) rubber (c) aluminium (d) iron
  3. 3.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  4. 4.Which of these needs a transparent material? (a) a raincoat (b) a boat hull (c) a hair band (d) a car windscreen
  5. 5.🔍 Which is the odd one out? (a) copper (b) plastic (c) clay pottery (d) rubber
  6. 6.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🔍 Which is the odd one out? (a) steel (b) dry wood (c) iron (d) brass
  8. 8.True or false: a boat hull needs an electrical conductor. (a) False (b) True
  9. 9.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  10. 10.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  11. 11.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  12. 12.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  13. 13.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  14. 14.Which of these needs a flexible material? (a) a car windscreen (b) a magnifier lens (c) a plug pin (d) a car seat belt
  15. 15.Which of these needs a waterproof material? (a) the core of a wire (b) a magnifier lens (c) a hair band (d) a raincoat
  16. 16.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  17. 17.🧱 Which property matters most for a hair band? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  18. 18.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Which property matters most for the core of a wire? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  20. 20.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.Which of these needs a waterproof material? (a) a yoga mat (b) a hair band (c) a tea flask lining (d) a boat hull
  22. 22.Which of these needs a heat insulator? (a) a tea flask lining (b) a switch contact (c) a roof sheet (d) a car seat belt
  23. 23.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  24. 24.Which of these needs a waterproof material? (a) an umbrella cover (b) the core of a wire (c) a hair band (d) a yoga mat
  25. 25.Which of these needs a transparent material? (a) a raincoat (b) a boat hull (c) a yoga mat (d) a spectacle lens
  26. 26.Which of these needs a heat insulator? (a) a hair band (b) a roof sheet (c) a skipping rope (d) a cooking pot handle
  27. 27.True or false: a tea flask lining needs an electrical conductor. (a) True (b) False
  28. 28.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.True or false: a car windscreen needs a transparent material. (a) True (b) False
  31. 31.True or false: a water tank needs a waterproof material. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) graphite (d) rubber
  33. 33.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  34. 34.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.Which of these needs a transparent material? (a) a yoga mat (b) a window pane (c) an umbrella cover (d) the core of a wire
  36. 36.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  37. 37.True or false: a raincoat needs a waterproof material. (a) False (b) True
  38. 38.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  39. 39.🔍 Which is the odd one out? (a) glass (b) steel (c) rubber (d) dry wood
  40. 40.Which of these needs a waterproof material? (a) a window pane (b) an oven glove (c) a hair band (d) a roof sheet

Answer key

  1. a skipping rope
  2. rubber
  3. True
  4. a car windscreen
  5. copper
  6. a conductor
  7. dry wood
  8. False
  9. electrical conductor
  10. steel
  11. heat insulator
  12. waterproof
  13. heat insulator
  14. a car seat belt
  15. a raincoat
  16. wood or plastic
  17. flexible
  18. a conductor
  19. electrical conductor
  20. a conductor
  21. a boat hull
  22. a tea flask lining
  23. glass
  24. an umbrella cover
  25. a spectacle lens
  26. a cooking pot handle
  27. False
  28. a conductor
  29. an insulator
  30. True
  31. True
  32. graphite
  33. False
  34. an insulator
  35. a window pane
  36. False
  37. True
  38. transparent
  39. steel
  40. a roof sheet

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