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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 957 · 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 the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  2. 2.🧱 Which material is best for a window pane? (a) wood (b) glass (c) brick (d) steel
  3. 3.🧱 Which property matters most for a boat hull? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  4. 4.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.Which of these needs an electrical conductor? (a) a spectacle lens (b) the core of a wire (c) a roof sheet (d) a water tank
  6. 6.🔍 Which is the odd one out? (a) dry wood (b) glass (c) clay pottery (d) steel
  7. 7.True or false: a water tank needs a waterproof material. (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) iron (d) rubber
  9. 9.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  10. 10.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  11. 11.🧱 Which property matters most for a window pane? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  12. 12.🧱 Which property matters most for a raincoat? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  13. 13.🔍 Which is the odd one out? (a) rubber (b) copper (c) iron (d) brass
  14. 14.True or false: a hair band needs a transparent material. (a) False (b) True
  15. 15.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  16. 16.🧱 Which property matters most for a water tank? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  17. 17.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.🧱 Which property matters most for a car windscreen? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  19. 19.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.Which of these needs a transparent material? (a) a plug pin (b) a hair band (c) a car windscreen (d) an umbrella cover
  21. 21.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  22. 22.Which of these needs a waterproof material? (a) the core of a wire (b) a car windscreen (c) a cooking pot handle (d) a roof sheet
  23. 23.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.Which of these needs a heat insulator? (a) a magnifier lens (b) an umbrella cover (c) a boat hull (d) an oven glove
  25. 25.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) graphite (d) dry wood
  26. 26.🧱 Which property matters most for a magnifier lens? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  27. 27.🔍 Which is the odd one out? (a) iron (b) glass (c) steel (d) graphite
  28. 28.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a plug pin (c) a hair band (d) a car windscreen
  29. 29.🔍 Which is the odd one out? (a) plastic (b) copper (c) graphite (d) iron
  30. 30.🧱 Which property matters most for an oven glove? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  31. 31.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  32. 32.True or false: a window pane needs a transparent material. (a) True (b) False
  33. 33.Which of these needs a flexible material? (a) an umbrella cover (b) a plug pin (c) a hair band (d) a switch contact
  34. 34.Which of these needs a flexible material? (a) a skipping rope (b) a tea flask lining (c) a magnifier lens (d) a roof sheet
  35. 35.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) aluminium (d) copper
  36. 36.🔍 Which is the odd one out? (a) dry wood (b) brass (c) rubber (d) cotton cloth
  37. 37.True or false: a window pane needs an electrical conductor. (a) True (b) False
  38. 38.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.True or false: a boat hull needs a transparent material. (a) True (b) False
  40. 40.Which of these needs a heat insulator? (a) a magnifier lens (b) a tea flask lining (c) a roof sheet (d) a yoga mat

Answer key

  1. copper
  2. glass
  3. waterproof
  4. a conductor
  5. the core of a wire
  6. steel
  7. True
  8. iron
  9. True
  10. waterproof
  11. transparent
  12. waterproof
  13. rubber
  14. False
  15. plastic-coated cloth
  16. waterproof
  17. a conductor
  18. transparent
  19. an insulator
  20. a car windscreen
  21. waterproof
  22. a roof sheet
  23. a conductor
  24. an oven glove
  25. graphite
  26. transparent
  27. glass
  28. a plug pin
  29. plastic
  30. heat insulator
  31. flexible
  32. True
  33. a hair band
  34. a skipping rope
  35. wood or plastic
  36. brass
  37. False
  38. an insulator
  39. False
  40. a tea flask lining

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