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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 960 · 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 seat belt needs a flexible material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) rubber (d) iron
  3. 3.🔍 Which is the odd one out? (a) iron (b) plastic (c) aluminium (d) steel
  4. 4.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.🧱 Which material is best for a window pane? (a) wood (b) steel (c) brick (d) glass
  6. 6.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  8. 8.🧱 Which property matters most for a roof sheet? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  9. 9.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.True or false: a hair band needs a waterproof material. (a) True (b) False
  11. 11.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  13. 13.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  15. 15.Which of these needs a waterproof material? (a) a spectacle lens (b) a boat hull (c) a plug pin (d) a magnifier lens
  16. 16.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) iron (d) copper
  17. 17.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  18. 18.Which of these needs a waterproof material? (a) a plug pin (b) an oven glove (c) a raincoat (d) a skipping rope
  19. 19.True or false: a water tank needs an electrical conductor. (a) False (b) True
  20. 20.Which of these needs a heat insulator? (a) a switch contact (b) a boat hull (c) an oven glove (d) a roof sheet
  21. 21.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) glass (d) cotton cloth
  22. 22.🔍 Which is the odd one out? (a) glass (b) aluminium (c) brass (d) graphite
  23. 23.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) rubber (d) plastic
  24. 24.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  25. 25.True or false: a boat hull needs a flexible material. (a) True (b) False
  26. 26.True or false: a raincoat needs a waterproof material. (a) False (b) True
  27. 27.True or false: a car seat belt needs an electrical conductor. (a) False (b) True
  28. 28.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  29. 29.Which of these needs a transparent material? (a) a cooking pot handle (b) a boat hull (c) a window pane (d) a water tank
  30. 30.True or false: a window pane needs a transparent material. (a) True (b) False
  31. 31.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) graphite (d) rubber
  34. 34.True or false: a car seat belt needs a heat insulator. (a) False (b) True
  35. 35.🧱 Which property matters most for an oven glove? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  36. 36.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) wood or plastic (d) copper
  37. 37.Which of these needs a transparent material? (a) a magnifier lens (b) a skipping rope (c) a switch contact (d) a plug pin
  38. 38.True or false: a car windscreen needs a flexible material. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) steel (d) plastic
  40. 40.Which of these needs a transparent material? (a) a water tank (b) an umbrella cover (c) a tea flask lining (d) a car windscreen

Answer key

  1. True
  2. iron
  3. plastic
  4. a conductor
  5. glass
  6. an insulator
  7. transparent
  8. waterproof
  9. an insulator
  10. False
  11. a conductor
  12. heat insulator
  13. a conductor
  14. copper
  15. a boat hull
  16. clay pottery
  17. transparent
  18. a raincoat
  19. False
  20. an oven glove
  21. copper
  22. glass
  23. steel
  24. plastic-coated cloth
  25. False
  26. True
  27. False
  28. transparent
  29. a window pane
  30. True
  31. an insulator
  32. a conductor
  33. graphite
  34. False
  35. heat insulator
  36. wood or plastic
  37. a magnifier lens
  38. False
  39. steel
  40. a car windscreen

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