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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 519 · 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 raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  2. 2.True or false: a water tank needs a waterproof material. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) dry wood (d) cotton cloth
  4. 4.True or false: a water tank needs a heat insulator. (a) False (b) True
  5. 5.Which of these needs a flexible material? (a) a skipping rope (b) a plug pin (c) an oven glove (d) a raincoat
  6. 6.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) copper (d) plastic
  7. 7.Which of these needs a waterproof material? (a) a plug pin (b) a spectacle lens (c) a yoga mat (d) a water tank
  8. 8.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  9. 9.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.Which of these needs a transparent material? (a) a roof sheet (b) a boat hull (c) a spectacle lens (d) a yoga mat
  11. 11.Which of these needs an electrical conductor? (a) an umbrella cover (b) a boat hull (c) a cooking pot handle (d) a plug pin
  12. 12.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.Which of these needs a transparent material? (a) a hair band (b) an umbrella cover (c) a cooking pot handle (d) a window pane
  15. 15.Which of these needs a transparent material? (a) a car windscreen (b) a boat hull (c) a cooking pot handle (d) a raincoat
  16. 16.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) heat insulator (c) flexible (d) transparent
  17. 17.🔍 Which is the odd one out? (a) brass (b) glass (c) plastic (d) cotton cloth
  18. 18.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.Which of these needs a flexible material? (a) a roof sheet (b) a window pane (c) a raincoat (d) a yoga mat
  20. 20.Which of these needs an electrical conductor? (a) a car windscreen (b) a cooking pot handle (c) a tea flask lining (d) a switch contact
  21. 21.🧱 Which property matters most for a window pane? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
  22. 22.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Which property matters most for a water tank? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  24. 24.Which of these needs a heat insulator? (a) a window pane (b) a yoga mat (c) a switch contact (d) a cooking pot handle
  25. 25.True or false: a skipping rope needs a flexible material. (a) False (b) True
  26. 26.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) plastic (d) glass
  27. 27.🧱 Which material is best for a window pane? (a) steel (b) wood (c) glass (d) brick
  28. 28.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  30. 30.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) glass (d) iron
  32. 32.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  33. 33.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  34. 34.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) electrical conductor (c) flexible (d) heat insulator
  35. 35.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) glass (b) copper (c) aluminium (d) brass
  37. 37.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) cotton cloth (d) graphite
  38. 38.Which of these needs a waterproof material? (a) a window pane (b) a boat hull (c) a plug pin (d) a tea flask lining
  39. 39.🧱 Which property matters most for a hair band? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  40. 40.True or false: a spectacle lens needs a flexible material. (a) True (b) False

Answer key

  1. plastic-coated cloth
  2. True
  3. aluminium
  4. False
  5. a skipping rope
  6. copper
  7. a water tank
  8. wood or plastic
  9. a conductor
  10. a spectacle lens
  11. a plug pin
  12. a conductor
  13. an insulator
  14. a window pane
  15. a car windscreen
  16. transparent
  17. brass
  18. an insulator
  19. a yoga mat
  20. a switch contact
  21. transparent
  22. an insulator
  23. waterproof
  24. a cooking pot handle
  25. True
  26. steel
  27. glass
  28. a conductor
  29. True
  30. an insulator
  31. iron
  32. waterproof
  33. True
  34. heat insulator
  35. True
  36. glass
  37. graphite
  38. a boat hull
  39. flexible
  40. False

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