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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 733 · 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) an oven glove (b) a car windscreen (c) a boat hull (d) a skipping rope
  2. 2.True or false: a car seat belt needs a flexible material. (a) True (b) False
  3. 3.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  4. 4.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) copper (d) graphite
  6. 6.🔍 Which is the odd one out? (a) glass (b) dry wood (c) steel (d) plastic
  7. 7.🧱 Which material is best for a window pane? (a) brick (b) wood (c) steel (d) glass
  8. 8.True or false: a skipping rope needs a flexible material. (a) True (b) False
  9. 9.True or false: a water tank needs a waterproof material. (a) False (b) True
  10. 10.🔍 Which is the odd one out? (a) steel (b) copper (c) aluminium (d) plastic
  11. 11.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  12. 12.🧱 Which property matters most for a roof sheet? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  13. 13.True or false: an oven glove needs a heat insulator. (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) iron (b) steel (c) glass (d) copper
  15. 15.🧱 Which property matters most for a magnifier lens? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  16. 16.🧱 Which property matters most for a boat hull? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  17. 17.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.True or false: a water tank needs a transparent material. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) copper (b) clay pottery (c) iron (d) brass
  20. 20.🧱 Which property matters most for a car windscreen? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  21. 21.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.Which of these needs a heat insulator? (a) a car windscreen (b) a cooking pot handle (c) a window pane (d) a plug pin
  23. 23.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  24. 24.🔍 Which is the odd one out? (a) plastic (b) rubber (c) copper (d) cotton cloth
  25. 25.True or false: a roof sheet needs a flexible material. (a) True (b) False
  26. 26.True or false: a roof sheet needs an electrical conductor. (a) True (b) False
  27. 27.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  28. 28.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  29. 29.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a car windscreen (c) a plug pin (d) a boat hull
  32. 32.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  33. 33.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) copper (d) graphite
  35. 35.Which of these needs a transparent material? (a) a switch contact (b) a yoga mat (c) a car windscreen (d) a boat hull
  36. 36.🧱 Which property matters most for a hair band? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  37. 37.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  38. 38.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.Which of these needs a transparent material? (a) a spectacle lens (b) a raincoat (c) a cooking pot handle (d) a hair band
  40. 40.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

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

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