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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 596 · 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 raincoat? (a) plastic-coated cloth (b) cotton wool (c) paper (d) cardboard
  2. 2.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.Which of these needs an electrical conductor? (a) a plug pin (b) a boat hull (c) a car windscreen (d) a spectacle lens
  4. 4.True or false: a water tank needs an electrical conductor. (a) True (b) False
  5. 5.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  6. 6.True or false: an oven glove needs a heat insulator. (a) True (b) False
  7. 7.True or false: a cooking pot handle needs a transparent material. (a) False (b) True
  8. 8.🧱 Which property matters most for a water tank? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  9. 9.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  10. 10.Which of these needs an electrical conductor? (a) an oven glove (b) a cooking pot handle (c) a raincoat (d) the core of a wire
  11. 11.Which of these needs a heat insulator? (a) a cooking pot handle (b) a hair band (c) a boat hull (d) an umbrella cover
  12. 12.🧱 Which property matters most for a raincoat? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  13. 13.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) rubber (d) glass
  15. 15.Which of these needs a waterproof material? (a) a skipping rope (b) the core of a wire (c) a boat hull (d) a window pane
  16. 16.True or false: a boat hull needs an electrical conductor. (a) False (b) True
  17. 17.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  18. 18.Which of these needs a flexible material? (a) a car windscreen (b) a roof sheet (c) a yoga mat (d) a boat hull
  19. 19.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a switch contact (c) a car windscreen (d) an umbrella cover
  20. 20.🧱 Which property matters most for a car windscreen? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  21. 21.🔍 Which is the odd one out? (a) copper (b) brass (c) rubber (d) steel
  22. 22.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  23. 23.Which of these needs a heat insulator? (a) a tea flask lining (b) a car seat belt (c) a car windscreen (d) a water tank
  24. 24.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) aluminium (b) copper (c) steel (d) dry wood
  26. 26.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) plastic (d) brass
  27. 27.True or false: a skipping rope needs a waterproof material. (a) False (b) True
  28. 28.True or false: a cooking pot handle needs a flexible material. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) brass (b) graphite (c) clay pottery (d) steel
  30. 30.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.True or false: a yoga mat needs a flexible material. (a) False (b) True
  32. 32.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.Which of these needs a transparent material? (a) a cooking pot handle (b) a hair band (c) an umbrella cover (d) a spectacle lens
  34. 34.Which of these needs a flexible material? (a) a cooking pot handle (b) a spectacle lens (c) the core of a wire (d) a hair band
  35. 35.True or false: a water tank needs a waterproof material. (a) False (b) True
  36. 36.True or false: a window pane needs a waterproof material. (a) True (b) False
  37. 37.Which of these needs a flexible material? (a) an oven glove (b) a roof sheet (c) a skipping rope (d) a boat hull
  38. 38.True or false: a window pane needs a heat insulator. (a) True (b) False
  39. 39.True or false: a tea flask lining needs a waterproof material. (a) True (b) False
  40. 40.Which of these needs a heat insulator? (a) an oven glove (b) a spectacle lens (c) a skipping rope (d) a window pane

Answer key

  1. plastic-coated cloth
  2. an insulator
  3. a plug pin
  4. False
  5. flexible
  6. True
  7. False
  8. waterproof
  9. steel
  10. the core of a wire
  11. a cooking pot handle
  12. waterproof
  13. a conductor
  14. copper
  15. a boat hull
  16. False
  17. electrical conductor
  18. a yoga mat
  19. a switch contact
  20. transparent
  21. rubber
  22. glass
  23. a tea flask lining
  24. False
  25. dry wood
  26. brass
  27. False
  28. False
  29. clay pottery
  30. a conductor
  31. True
  32. an insulator
  33. a spectacle lens
  34. a hair band
  35. True
  36. False
  37. a skipping rope
  38. False
  39. False
  40. an oven glove

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