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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 284 · 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.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  3. 3.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🧱 Which property matters most for a car seat belt? (a) flexible (b) electrical conductor (c) transparent (d) heat insulator
  5. 5.Which of these needs a flexible material? (a) a roof sheet (b) a raincoat (c) a yoga mat (d) a switch contact
  6. 6.Which of these needs a waterproof material? (a) a car seat belt (b) a magnifier lens (c) a skipping rope (d) a water tank
  7. 7.True or false: a switch contact needs a waterproof material. (a) False (b) True
  8. 8.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.True or false: a car windscreen needs a heat insulator. (a) True (b) False
  10. 10.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  11. 11.True or false: a cooking pot handle needs a flexible material. (a) True (b) False
  12. 12.🧱 Which property matters most for a hair band? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  13. 13.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.Which of these needs a flexible material? (a) a car windscreen (b) a switch contact (c) a hair band (d) a spectacle lens
  15. 15.True or false: a plug pin needs a transparent material. (a) True (b) False
  16. 16.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  17. 17.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) brass (d) dry wood
  18. 18.True or false: the core of a wire needs a transparent material. (a) True (b) False
  19. 19.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) iron (b) aluminium (c) copper (d) glass
  21. 21.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  22. 22.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🔍 Which is the odd one out? (a) aluminium (b) copper (c) plastic (d) iron
  24. 24.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) aluminium (d) copper
  25. 25.Which of these needs a transparent material? (a) a boat hull (b) a window pane (c) a tea flask lining (d) a skipping rope
  26. 26.Which of these needs a heat insulator? (a) a boat hull (b) an oven glove (c) the core of a wire (d) a car seat belt
  27. 27.🧱 Which property matters most for a tea flask lining? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  28. 28.🧱 Which property matters most for the core of a wire? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  29. 29.🧱 Which property matters most for a yoga mat? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator
  30. 30.Which of these needs a flexible material? (a) a tea flask lining (b) a water tank (c) a skipping rope (d) a raincoat
  31. 31.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  32. 32.Which of these needs a flexible material? (a) a car windscreen (b) a magnifier lens (c) a water tank (d) a car seat belt
  33. 33.True or false: a window pane needs a waterproof material. (a) True (b) False
  34. 34.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) steel (b) rubber (c) brass (d) aluminium
  36. 36.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Which property matters most for a magnifier lens? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  38. 38.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.🧱 Which property matters most for an oven glove? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  40. 40.True or false: a window pane needs a heat insulator. (a) False (b) True

Answer key

  1. an insulator
  2. steel
  3. a conductor
  4. flexible
  5. a yoga mat
  6. a water tank
  7. False
  8. a conductor
  9. False
  10. glass
  11. False
  12. flexible
  13. a conductor
  14. a hair band
  15. False
  16. waterproof
  17. brass
  18. False
  19. True
  20. glass
  21. False
  22. an insulator
  23. plastic
  24. wood or plastic
  25. a window pane
  26. an oven glove
  27. heat insulator
  28. electrical conductor
  29. flexible
  30. a skipping rope
  31. plastic-coated cloth
  32. a car seat belt
  33. False
  34. True
  35. rubber
  36. a conductor
  37. transparent
  38. an insulator
  39. heat insulator
  40. False

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