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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 907 · 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 cooking pot handle (b) a plug pin (c) a skipping rope (d) an umbrella cover
  2. 2.🧱 Which property matters most for a yoga mat? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  3. 3.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  4. 4.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  5. 5.Which of these needs a waterproof material? (a) a boat hull (b) a car windscreen (c) a cooking pot handle (d) a tea flask lining
  6. 6.Which of these needs an electrical conductor? (a) a switch contact (b) a roof sheet (c) an umbrella cover (d) a cooking pot handle
  7. 7.True or false: a cooking pot handle needs a transparent material. (a) True (b) False
  8. 8.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) aluminium (d) iron
  9. 9.True or false: a boat hull needs a flexible material. (a) True (b) False
  10. 10.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  11. 11.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.Which of these needs an electrical conductor? (a) a boat hull (b) a plug pin (c) a water tank (d) a skipping rope
  13. 13.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  14. 14.🧱 Which property matters most for a magnifier lens? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  15. 15.🔍 Which is the odd one out? (a) cotton cloth (b) steel (c) glass (d) dry wood
  16. 16.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  18. 18.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  19. 19.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) paper (d) cotton wool
  20. 20.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) steel (d) copper
  21. 21.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.True or false: an oven glove needs a heat insulator. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) steel (d) aluminium
  24. 24.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) aluminium (d) rubber
  25. 25.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  26. 26.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  27. 27.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.Which of these needs a waterproof material? (a) a hair band (b) a spectacle lens (c) a switch contact (d) a roof sheet
  29. 29.Which of these needs a flexible material? (a) a tea flask lining (b) a boat hull (c) a plug pin (d) a skipping rope
  30. 30.🧱 Which property matters most for a boat hull? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  31. 31.True or false: a car seat belt needs a transparent material. (a) False (b) True
  32. 32.Which of these needs a heat insulator? (a) an umbrella cover (b) a boat hull (c) a switch contact (d) an oven glove
  33. 33.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  35. 35.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  36. 36.🔍 Which is the odd one out? (a) glass (b) steel (c) copper (d) aluminium
  37. 37.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) dry wood (d) graphite
  38. 38.True or false: a raincoat needs a waterproof material. (a) False (b) True
  39. 39.🧱 Which property matters most for a plug pin? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  40. 40.🔍 Which is the odd one out? (a) steel (b) dry wood (c) brass (d) copper

Answer key

  1. an umbrella cover
  2. flexible
  3. glass
  4. flexible
  5. a boat hull
  6. a switch contact
  7. False
  8. wood or plastic
  9. False
  10. steel
  11. an insulator
  12. a plug pin
  13. copper
  14. transparent
  15. steel
  16. a conductor
  17. waterproof
  18. heat insulator
  19. plastic-coated cloth
  20. plastic
  21. a conductor
  22. True
  23. clay pottery
  24. aluminium
  25. flexible
  26. False
  27. an insulator
  28. a roof sheet
  29. a skipping rope
  30. waterproof
  31. False
  32. an oven glove
  33. a conductor
  34. True
  35. waterproof
  36. glass
  37. graphite
  38. True
  39. electrical conductor
  40. dry wood

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