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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 884 · 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) an umbrella cover (b) a window pane (c) a magnifier lens (d) the core of a wire
  2. 2.Which of these needs a waterproof material? (a) a water tank (b) a tea flask lining (c) a plug pin (d) a cooking pot handle
  3. 3.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  4. 4.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) copper (d) plastic
  5. 5.Which of these needs a heat insulator? (a) a water tank (b) the core of a wire (c) an oven glove (d) a window pane
  6. 6.🔍 Which is the odd one out? (a) graphite (b) clay pottery (c) brass (d) aluminium
  7. 7.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🔍 Which is the odd one out? (a) steel (b) cotton cloth (c) copper (d) iron
  10. 10.Which of these needs a flexible material? (a) a raincoat (b) a skipping rope (c) a water tank (d) a car windscreen
  11. 11.🧱 Which property matters most for a window pane? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  12. 12.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator
  13. 13.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which property matters most for an oven glove? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  17. 17.🔍 Which is the odd one out? (a) steel (b) plastic (c) aluminium (d) brass
  18. 18.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.Which of these needs an electrical conductor? (a) a skipping rope (b) an oven glove (c) a tea flask lining (d) the core of a wire
  20. 20.🧱 Which property matters most for a car seat belt? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  21. 21.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) brass (d) glass
  22. 22.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.Which of these needs a waterproof material? (a) a boat hull (b) an oven glove (c) a plug pin (d) the core of a wire
  24. 24.🧱 Which property matters most for a skipping rope? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  25. 25.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  27. 27.🔍 Which is the odd one out? (a) iron (b) dry wood (c) glass (d) clay pottery
  28. 28.Which of these needs an electrical conductor? (a) a car seat belt (b) a switch contact (c) an umbrella cover (d) a roof sheet
  29. 29.Which of these needs a heat insulator? (a) a car windscreen (b) a roof sheet (c) a tea flask lining (d) a yoga mat
  30. 30.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  31. 31.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) copper (b) graphite (c) dry wood (d) aluminium
  34. 34.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) plastic-coated cloth (d) cotton wool
  35. 35.🧱 Which property matters most for a hair band? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  36. 36.Which of these needs a transparent material? (a) a roof sheet (b) a skipping rope (c) a water tank (d) a spectacle lens
  37. 37.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) aluminium (d) copper
  38. 38.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.True or false: a boat hull needs a waterproof material. (a) False (b) True
  40. 40.Which of these needs a transparent material? (a) an oven glove (b) a window pane (c) the core of a wire (d) a cooking pot handle

Answer key

  1. an umbrella cover
  2. a water tank
  3. steel
  4. copper
  5. an oven glove
  6. clay pottery
  7. a conductor
  8. an insulator
  9. cotton cloth
  10. a skipping rope
  11. transparent
  12. transparent
  13. a conductor
  14. an insulator
  15. a conductor
  16. heat insulator
  17. plastic
  18. a conductor
  19. the core of a wire
  20. flexible
  21. glass
  22. a conductor
  23. a boat hull
  24. flexible
  25. an insulator
  26. waterproof
  27. iron
  28. a switch contact
  29. a tea flask lining
  30. False
  31. an insulator
  32. True
  33. dry wood
  34. plastic-coated cloth
  35. flexible
  36. a spectacle lens
  37. wood or plastic
  38. an insulator
  39. True
  40. a window pane

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