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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 195 · 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 cooking pot handle? (a) copper (b) wood or plastic (c) aluminium (d) iron
  2. 2.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  3. 3.True or false: a car windscreen needs a transparent material. (a) False (b) True
  4. 4.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) cotton wool (d) paper
  5. 5.🧱 Which property matters most for a boat hull? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  6. 6.Which of these needs a waterproof material? (a) a raincoat (b) a hair band (c) a window pane (d) a car windscreen
  7. 7.🧱 Which property matters most for a spectacle lens? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  8. 8.Which of these needs a flexible material? (a) a window pane (b) an umbrella cover (c) a raincoat (d) a yoga mat
  9. 9.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  10. 10.🧱 Which property matters most for a car seat belt? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  11. 11.🧱 Which property matters most for a roof sheet? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  12. 12.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.Which of these needs an electrical conductor? (a) a window pane (b) an oven glove (c) a switch contact (d) a boat hull
  14. 14.Which of these needs a transparent material? (a) a spectacle lens (b) a car seat belt (c) a skipping rope (d) the core of a wire
  15. 15.Which of these needs a waterproof material? (a) the core of a wire (b) a roof sheet (c) a plug pin (d) a car windscreen
  16. 16.Which of these needs a flexible material? (a) an umbrella cover (b) a boat hull (c) a window pane (d) a car seat belt
  17. 17.Which of these needs a transparent material? (a) a window pane (b) a yoga mat (c) a roof sheet (d) a boat hull
  18. 18.Which of these needs a transparent material? (a) a skipping rope (b) the core of a wire (c) an umbrella cover (d) a magnifier lens
  19. 19.🧱 Which property matters most for a hair band? (a) electrical conductor (b) heat insulator (c) flexible (d) transparent
  20. 20.True or false: a roof sheet needs a flexible material. (a) True (b) False
  21. 21.🧱 Which property matters most for a yoga mat? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  22. 22.🧱 Which property matters most for a raincoat? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  23. 23.🔍 Which is the odd one out? (a) copper (b) steel (c) dry wood (d) iron
  24. 24.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) aluminium (d) rubber
  25. 25.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) rubber (d) plastic
  26. 26.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  27. 27.True or false: the core of a wire needs a transparent material. (a) True (b) False
  28. 28.Which of these needs a waterproof material? (a) the core of a wire (b) an oven glove (c) an umbrella cover (d) a yoga mat
  29. 29.🔍 Which is the odd one out? (a) steel (b) aluminium (c) cotton cloth (d) copper
  30. 30.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.🧱 Which property matters most for a tea flask lining? (a) flexible (b) electrical conductor (c) transparent (d) heat insulator
  32. 32.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  33. 33.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  34. 34.True or false: a window pane needs an electrical conductor. (a) True (b) False
  35. 35.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🔍 Which is the odd one out? (a) brass (b) iron (c) steel (d) plastic
  37. 37.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) steel (d) iron
  38. 38.Which of these needs an electrical conductor? (a) a skipping rope (b) a cooking pot handle (c) a raincoat (d) the core of a wire
  39. 39.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) transparent (d) heat insulator

Answer key

  1. wood or plastic
  2. copper
  3. True
  4. plastic-coated cloth
  5. waterproof
  6. a raincoat
  7. transparent
  8. a yoga mat
  9. True
  10. flexible
  11. waterproof
  12. a conductor
  13. a switch contact
  14. a spectacle lens
  15. a roof sheet
  16. a car seat belt
  17. a window pane
  18. a magnifier lens
  19. flexible
  20. False
  21. flexible
  22. waterproof
  23. dry wood
  24. aluminium
  25. steel
  26. heat insulator
  27. False
  28. an umbrella cover
  29. cotton cloth
  30. an insulator
  31. heat insulator
  32. waterproof
  33. glass
  34. False
  35. a conductor
  36. plastic
  37. clay pottery
  38. the core of a wire
  39. an insulator
  40. heat insulator

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