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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 579 · 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) clay pottery (b) plastic (c) aluminium (d) cotton cloth
  2. 2.True or false: a hair band needs a heat insulator. (a) True (b) False
  3. 3.Which of these needs an electrical conductor? (a) an oven glove (b) a switch contact (c) a raincoat (d) a boat hull
  4. 4.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) plastic-coated cloth (d) paper
  5. 5.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  6. 6.Which of these needs a heat insulator? (a) a window pane (b) a car windscreen (c) a tea flask lining (d) a raincoat
  7. 7.Which of these needs a waterproof material? (a) a tea flask lining (b) an oven glove (c) a boat hull (d) the core of a wire
  8. 8.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  9. 9.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  10. 10.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) rubber (b) graphite (c) steel (d) copper
  12. 12.🔍 Which is the odd one out? (a) graphite (b) steel (c) brass (d) cotton cloth
  13. 13.🧱 Which material is best for a window pane? (a) wood (b) steel (c) brick (d) glass
  14. 14.🔍 Which is the odd one out? (a) iron (b) dry wood (c) brass (d) steel
  15. 15.True or false: a boat hull needs a flexible material. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) brass (b) copper (c) glass (d) steel
  17. 17.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.Which of these needs a transparent material? (a) a switch contact (b) a window pane (c) a raincoat (d) a skipping rope
  19. 19.Which of these needs an electrical conductor? (a) a magnifier lens (b) an umbrella cover (c) the core of a wire (d) a raincoat
  20. 20.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  21. 21.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🔍 Which is the odd one out? (a) clay pottery (b) cotton cloth (c) plastic (d) steel
  23. 23.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  24. 24.True or false: a switch contact needs a waterproof material. (a) True (b) False
  25. 25.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  27. 27.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  30. 30.True or false: a window pane needs a transparent material. (a) True (b) False
  31. 31.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  32. 32.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.True or false: the core of a wire needs a heat insulator. (a) False (b) True
  34. 34.True or false: a car windscreen needs a transparent material. (a) True (b) False
  35. 35.Which of these needs a heat insulator? (a) a boat hull (b) a plug pin (c) a cooking pot handle (d) a raincoat
  36. 36.Which of these needs a flexible material? (a) the core of a wire (b) an umbrella cover (c) a roof sheet (d) a skipping rope
  37. 37.🧱 Which property matters most for an umbrella cover? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  38. 38.True or false: an oven glove needs a transparent material. (a) False (b) True
  39. 39.True or false: a water tank needs a waterproof material. (a) True (b) False
  40. 40.Which of these needs a transparent material? (a) a water tank (b) a roof sheet (c) a magnifier lens (d) a tea flask lining

Answer key

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

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