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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 709 · 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 window pane? (a) steel (b) wood (c) brick (d) glass
  2. 2.Which of these needs a heat insulator? (a) a hair band (b) a plug pin (c) a cooking pot handle (d) a roof sheet
  3. 3.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  4. 4.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.Which of these needs a waterproof material? (a) the core of a wire (b) a hair band (c) a car seat belt (d) a roof sheet
  6. 6.🔍 Which is the odd one out? (a) rubber (b) glass (c) plastic (d) iron
  7. 7.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  8. 8.True or false: a hair band needs a flexible material. (a) True (b) False
  9. 9.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  10. 10.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a spectacle lens (c) a raincoat (d) the core of a wire
  12. 12.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) aluminium (d) iron
  13. 13.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cotton wool (c) paper (d) cardboard
  14. 14.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) dry wood (b) copper (c) aluminium (d) brass
  16. 16.🔍 Which is the odd one out? (a) aluminium (b) iron (c) plastic (d) copper
  17. 17.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  18. 18.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  19. 19.🔍 Which is the odd one out? (a) glass (b) aluminium (c) clay pottery (d) plastic
  20. 20.Which of these needs a flexible material? (a) a skipping rope (b) the core of a wire (c) a raincoat (d) a magnifier lens
  21. 21.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Which property matters most for a raincoat? (a) waterproof (b) heat insulator (c) flexible (d) electrical conductor
  24. 24.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  25. 25.Which of these needs a heat insulator? (a) an oven glove (b) a raincoat (c) a car windscreen (d) a car seat belt
  26. 26.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a window pane (c) a plug pin (d) a magnifier lens
  27. 27.🧱 Which property matters most for a car seat belt? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  28. 28.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) brass (d) dry wood
  29. 29.🧱 Which property matters most for a roof sheet? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  30. 30.🧱 Which property matters most for the core of a wire? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  31. 31.True or false: a window pane needs a heat insulator. (a) False (b) True
  32. 32.True or false: a boat hull needs a waterproof material. (a) False (b) True
  33. 33.Which of these needs a transparent material? (a) a window pane (b) a skipping rope (c) a water tank (d) a switch contact
  34. 34.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  36. 36.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  37. 37.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.True or false: a car windscreen needs a transparent material. (a) False (b) True
  39. 39.Which of these needs a waterproof material? (a) a tea flask lining (b) an umbrella cover (c) a skipping rope (d) a window pane
  40. 40.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator

Answer key

  1. glass
  2. a cooking pot handle
  3. heat insulator
  4. an insulator
  5. a roof sheet
  6. iron
  7. True
  8. True
  9. transparent
  10. a conductor
  11. the core of a wire
  12. wood or plastic
  13. plastic-coated cloth
  14. True
  15. dry wood
  16. plastic
  17. flexible
  18. waterproof
  19. aluminium
  20. a skipping rope
  21. a conductor
  22. a conductor
  23. waterproof
  24. waterproof
  25. an oven glove
  26. a plug pin
  27. flexible
  28. brass
  29. waterproof
  30. electrical conductor
  31. False
  32. True
  33. a window pane
  34. an insulator
  35. transparent
  36. copper
  37. an insulator
  38. True
  39. an umbrella cover
  40. electrical conductor

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