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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 272 · 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 material is best for a cooking pot handle? (a) aluminium (b) copper (c) wood or plastic (d) iron
  2. 2.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  3. 3.Which of these needs a flexible material? (a) a magnifier lens (b) a car seat belt (c) an oven glove (d) a window pane
  4. 4.True or false: a water tank needs a flexible material. (a) True (b) False
  5. 5.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.Which of these needs a flexible material? (a) an umbrella cover (b) a boat hull (c) a roof sheet (d) a yoga mat
  7. 7.Which of these needs an electrical conductor? (a) a raincoat (b) a tea flask lining (c) a yoga mat (d) a plug pin
  8. 8.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  9. 9.Which of these needs a heat insulator? (a) a plug pin (b) a window pane (c) an oven glove (d) a boat hull
  10. 10.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) glass (d) iron
  12. 12.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  13. 13.Which of these needs a heat insulator? (a) the core of a wire (b) a boat hull (c) a tea flask lining (d) a water tank
  14. 14.🧱 Which property matters most for a hair band? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  15. 15.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  17. 17.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  18. 18.Which of these needs a heat insulator? (a) a cooking pot handle (b) a spectacle lens (c) a car seat belt (d) a raincoat
  19. 19.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) brass (d) steel
  20. 20.🧱 Which property matters most for a water tank? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  21. 21.Which of these needs an electrical conductor? (a) an umbrella cover (b) a cooking pot handle (c) a switch contact (d) a window pane
  22. 22.🧱 Which property matters most for a window pane? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  23. 23.🧱 Which property matters most for a plug pin? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  24. 24.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  25. 25.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  26. 26.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.True or false: a car windscreen needs a waterproof material. (a) False (b) True
  28. 28.True or false: a boat hull needs a waterproof material. (a) True (b) False
  29. 29.True or false: a switch contact needs a waterproof material. (a) False (b) True
  30. 30.True or false: a skipping rope needs a flexible material. (a) False (b) True
  31. 31.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) steel (d) plastic
  32. 32.🔍 Which is the odd one out? (a) copper (b) clay pottery (c) graphite (d) steel
  33. 33.Which of these needs a waterproof material? (a) an umbrella cover (b) the core of a wire (c) a hair band (d) a cooking pot handle
  34. 34.🧱 Which material is best for a window pane? (a) steel (b) glass (c) wood (d) brick
  35. 35.🔍 Which is the odd one out? (a) iron (b) copper (c) rubber (d) brass
  36. 36.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.Which of these needs a waterproof material? (a) a magnifier lens (b) the core of a wire (c) a skipping rope (d) a raincoat
  38. 38.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  39. 39.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  40. 40.True or false: a spectacle lens needs a transparent material. (a) False (b) True

Answer key

  1. wood or plastic
  2. heat insulator
  3. a car seat belt
  4. False
  5. a conductor
  6. a yoga mat
  7. a plug pin
  8. False
  9. an oven glove
  10. a conductor
  11. iron
  12. False
  13. a tea flask lining
  14. flexible
  15. an insulator
  16. plastic-coated cloth
  17. heat insulator
  18. a cooking pot handle
  19. cotton cloth
  20. waterproof
  21. a switch contact
  22. transparent
  23. electrical conductor
  24. flexible
  25. electrical conductor
  26. an insulator
  27. False
  28. True
  29. False
  30. True
  31. steel
  32. clay pottery
  33. an umbrella cover
  34. glass
  35. rubber
  36. an insulator
  37. a raincoat
  38. True
  39. waterproof
  40. True

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