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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 513 · 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 transparent material? (a) a window pane (b) the core of a wire (c) a boat hull (d) a yoga mat
  2. 2.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  3. 3.Which of these needs a flexible material? (a) a raincoat (b) a cooking pot handle (c) an umbrella cover (d) a car seat belt
  4. 4.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  5. 5.True or false: a tea flask lining needs a waterproof material. (a) True (b) False
  6. 6.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  7. 7.Which of these needs a heat insulator? (a) a cooking pot handle (b) a window pane (c) a plug pin (d) a water tank
  8. 8.🧱 Which material is best for a window pane? (a) wood (b) glass (c) steel (d) brick
  9. 9.Which of these needs an electrical conductor? (a) a plug pin (b) a spectacle lens (c) an umbrella cover (d) a skipping rope
  10. 10.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False
  13. 13.Which of these needs a waterproof material? (a) a skipping rope (b) a roof sheet (c) a plug pin (d) a magnifier lens
  14. 14.🔍 Which is the odd one out? (a) aluminium (b) clay pottery (c) plastic (d) rubber
  15. 15.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) copper (d) brass
  16. 16.True or false: a hair band needs an electrical conductor. (a) True (b) False
  17. 17.True or false: a magnifier lens needs a flexible material. (a) False (b) True
  18. 18.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🔍 Which is the odd one out? (a) copper (b) steel (c) rubber (d) iron
  20. 20.🧱 Which property matters most for a boat hull? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  21. 21.Which of these needs an electrical conductor? (a) a switch contact (b) a hair band (c) an umbrella cover (d) a car windscreen
  22. 22.Which of these needs a transparent material? (a) an umbrella cover (b) a yoga mat (c) a switch contact (d) a magnifier lens
  23. 23.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  24. 24.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  25. 25.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  26. 26.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.True or false: an oven glove needs a heat insulator. (a) False (b) True
  28. 28.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.🔍 Which is the odd one out? (a) rubber (b) iron (c) cotton cloth (d) dry wood
  30. 30.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  31. 31.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) copper (d) plastic
  33. 33.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  34. 34.Which of these needs a waterproof material? (a) a switch contact (b) an umbrella cover (c) an oven glove (d) the core of a wire
  35. 35.True or false: a water tank needs a flexible material. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) cotton cloth (b) graphite (c) rubber (d) clay pottery
  37. 37.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.True or false: a raincoat needs a flexible material. (a) False (b) True
  39. 39.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  40. 40.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. a window pane
  2. transparent
  3. a car seat belt
  4. wood or plastic
  5. False
  6. waterproof
  7. a cooking pot handle
  8. glass
  9. a plug pin
  10. a conductor
  11. an insulator
  12. False
  13. a roof sheet
  14. aluminium
  15. clay pottery
  16. False
  17. False
  18. an insulator
  19. rubber
  20. waterproof
  21. a switch contact
  22. a magnifier lens
  23. plastic-coated cloth
  24. waterproof
  25. heat insulator
  26. a conductor
  27. True
  28. a conductor
  29. iron
  30. transparent
  31. an insulator
  32. copper
  33. steel
  34. an umbrella cover
  35. False
  36. graphite
  37. a conductor
  38. False
  39. flexible
  40. a conductor

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