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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 477 · 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.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.Which of these needs a waterproof material? (a) a roof sheet (b) a skipping rope (c) a window pane (d) a magnifier lens
  3. 3.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) plastic (d) aluminium
  5. 5.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) aluminium (d) iron
  6. 6.🧱 Which property matters most for a roof sheet? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  7. 7.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  8. 8.True or false: a car seat belt needs a flexible material. (a) False (b) True
  9. 9.Which of these needs a waterproof material? (a) a raincoat (b) a tea flask lining (c) the core of a wire (d) a skipping rope
  10. 10.🔍 Which is the odd one out? (a) brass (b) steel (c) graphite (d) cotton cloth
  11. 11.Which of these needs a flexible material? (a) a tea flask lining (b) a hair band (c) a roof sheet (d) a magnifier lens
  12. 12.Which of these needs a transparent material? (a) a water tank (b) a car seat belt (c) a window pane (d) a plug pin
  13. 13.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  14. 14.Which of these needs a flexible material? (a) a spectacle lens (b) a roof sheet (c) an oven glove (d) a skipping rope
  15. 15.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  17. 17.Which of these needs a heat insulator? (a) an umbrella cover (b) a raincoat (c) a tea flask lining (d) a magnifier lens
  18. 18.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) plastic-coated cloth (d) cotton wool
  19. 19.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Which property matters most for a car seat belt? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  21. 21.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  22. 22.🧱 Which property matters most for the core of a wire? (a) transparent (b) electrical conductor (c) flexible (d) heat insulator
  23. 23.Which of these needs an electrical conductor? (a) a skipping rope (b) a hair band (c) a cooking pot handle (d) a plug pin
  24. 24.🔍 Which is the odd one out? (a) copper (b) aluminium (c) steel (d) dry wood
  25. 25.True or false: a hair band needs a flexible material. (a) False (b) True
  26. 26.🧱 Which material is best for a window pane? (a) steel (b) wood (c) glass (d) brick
  27. 27.🔍 Which is the odd one out? (a) rubber (b) steel (c) graphite (d) copper
  28. 28.True or false: a window pane needs a transparent material. (a) True (b) False
  29. 29.True or false: a water tank needs a flexible material. (a) True (b) False
  30. 30.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  31. 31.🧱 Which property matters most for a water tank? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  32. 32.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) glass (d) steel
  33. 33.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber
  34. 34.Which of these needs a heat insulator? (a) a cooking pot handle (b) a water tank (c) a boat hull (d) the core of a wire
  35. 35.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.True or false: an oven glove needs a transparent material. (a) False (b) True
  37. 37.Which of these needs an electrical conductor? (a) the core of a wire (b) an umbrella cover (c) a tea flask lining (d) a cooking pot handle
  38. 38.🧱 Which property matters most for an oven glove? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  39. 39.Which of these needs an electrical conductor? (a) a car windscreen (b) a tea flask lining (c) a switch contact (d) an umbrella cover
  40. 40.True or false: a window pane needs a flexible material. (a) False (b) True

Answer key

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

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