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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 594 · 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 is the odd one out? (a) aluminium (b) clay pottery (c) iron (d) steel
  2. 2.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.🧱 Which property matters most for a magnifier lens? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  4. 4.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) plastic (d) glass
  5. 5.🧱 Which property matters most for a yoga mat? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  6. 6.True or false: a cooking pot handle needs a flexible material. (a) True (b) False
  7. 7.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  8. 8.Which of these needs a waterproof material? (a) a water tank (b) a yoga mat (c) an oven glove (d) a switch contact
  9. 9.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  11. 11.🔍 Which is the odd one out? (a) iron (b) aluminium (c) graphite (d) cotton cloth
  12. 12.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  13. 13.True or false: a window pane needs a transparent material. (a) False (b) True
  14. 14.True or false: a magnifier lens needs an electrical conductor. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) dry wood (b) brass (c) steel (d) copper
  16. 16.🧱 Which property matters most for a roof sheet? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  17. 17.Which of these needs a flexible material? (a) a water tank (b) an umbrella cover (c) a car seat belt (d) a roof sheet
  18. 18.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🔍 Which is the odd one out? (a) clay pottery (b) cotton cloth (c) iron (d) rubber
  20. 20.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) plastic (d) copper
  21. 21.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Which property matters most for a boat hull? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  25. 25.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  26. 26.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  27. 27.Which of these needs a transparent material? (a) the core of a wire (b) a switch contact (c) a skipping rope (d) a magnifier lens
  28. 28.Which of these needs a flexible material? (a) a spectacle lens (b) a hair band (c) an umbrella cover (d) a plug pin
  29. 29.Which of these needs a heat insulator? (a) a yoga mat (b) a cooking pot handle (c) a skipping rope (d) a hair band
  30. 30.🧱 Which property matters most for an umbrella cover? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  31. 31.True or false: a window pane needs a flexible material. (a) False (b) True
  32. 32.True or false: an oven glove needs a transparent material. (a) True (b) False
  33. 33.Which of these needs a heat insulator? (a) a skipping rope (b) a boat hull (c) a tea flask lining (d) an umbrella cover
  34. 34.True or false: a yoga mat needs an electrical conductor. (a) False (b) True
  35. 35.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a water tank (c) a magnifier lens (d) the core of a wire
  37. 37.Which of these needs an electrical conductor? (a) an oven glove (b) a plug pin (c) a boat hull (d) a car seat belt
  38. 38.True or false: a boat hull needs a waterproof material. (a) True (b) False
  39. 39.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) aluminium (c) iron (d) copper
  40. 40.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) cotton cloth (d) aluminium

Answer key

  1. clay pottery
  2. an insulator
  3. transparent
  4. steel
  5. flexible
  6. False
  7. copper
  8. a water tank
  9. an insulator
  10. flexible
  11. cotton cloth
  12. waterproof
  13. True
  14. False
  15. dry wood
  16. waterproof
  17. a car seat belt
  18. a conductor
  19. iron
  20. plastic
  21. a conductor
  22. an insulator
  23. a conductor
  24. waterproof
  25. plastic-coated cloth
  26. True
  27. a magnifier lens
  28. a hair band
  29. a cooking pot handle
  30. waterproof
  31. False
  32. False
  33. a tea flask lining
  34. False
  35. a conductor
  36. the core of a wire
  37. a plug pin
  38. True
  39. wood or plastic
  40. aluminium

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