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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 95 · 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 waterproof material? (a) a spectacle lens (b) a boat hull (c) a skipping rope (d) a switch contact
  2. 2.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  3. 3.True or false: a plug pin needs a waterproof material. (a) True (b) False
  4. 4.True or false: a boat hull needs a flexible material. (a) False (b) True
  5. 5.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.True or false: a boat hull needs a waterproof material. (a) False (b) True
  7. 7.Which of these needs a waterproof material? (a) a water tank (b) a window pane (c) a tea flask lining (d) a magnifier lens
  8. 8.🔍 Which is the odd one out? (a) brass (b) graphite (c) steel (d) glass
  9. 9.Which of these needs an electrical conductor? (a) a tea flask lining (b) a plug pin (c) a boat hull (d) an oven glove
  10. 10.🧱 Which property matters most for a spectacle lens? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  11. 11.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) steel (d) graphite
  12. 12.True or false: a skipping rope needs a flexible material. (a) False (b) True
  13. 13.True or false: an oven glove needs a heat insulator. (a) True (b) False
  14. 14.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  15. 15.🧱 Which property matters most for a yoga mat? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  16. 16.True or false: a car windscreen needs a transparent material. (a) True (b) False
  17. 17.Which of these needs a heat insulator? (a) a cooking pot handle (b) a roof sheet (c) a water tank (d) a magnifier lens
  18. 18.True or false: a water tank needs a flexible material. (a) True (b) False
  19. 19.True or false: a raincoat needs a transparent material. (a) True (b) False
  20. 20.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  21. 21.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) glass (d) plastic
  22. 22.🧱 Which property matters most for a water tank? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  23. 23.🔍 Which is the odd one out? (a) copper (b) plastic (c) cotton cloth (d) rubber
  24. 24.🧱 Which property matters most for a roof sheet? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  25. 25.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  28. 28.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) steel (d) graphite
  29. 29.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  30. 30.True or false: an oven glove needs a waterproof material. (a) False (b) True
  31. 31.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.True or false: a hair band needs a flexible material. (a) False (b) True
  33. 33.True or false: a boat hull needs a transparent material. (a) False (b) True
  34. 34.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a raincoat? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  36. 36.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.🧱 Which property matters most for a car windscreen? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  38. 38.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) clay pottery (d) aluminium
  39. 39.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) steel (d) graphite
  40. 40.Which of these needs a heat insulator? (a) a hair band (b) a car windscreen (c) a roof sheet (d) an oven glove

Answer key

  1. a boat hull
  2. heat insulator
  3. False
  4. False
  5. an insulator
  6. True
  7. a water tank
  8. glass
  9. a plug pin
  10. transparent
  11. cotton cloth
  12. True
  13. True
  14. glass
  15. flexible
  16. True
  17. a cooking pot handle
  18. False
  19. False
  20. plastic-coated cloth
  21. steel
  22. waterproof
  23. copper
  24. waterproof
  25. a conductor
  26. a conductor
  27. transparent
  28. plastic
  29. wood or plastic
  30. False
  31. an insulator
  32. True
  33. False
  34. an insulator
  35. waterproof
  36. an insulator
  37. transparent
  38. aluminium
  39. dry wood
  40. an oven glove

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