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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 815 · 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) iron (c) wood or plastic (d) aluminium
  2. 2.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.🧱 Which property matters most for a water tank? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  4. 4.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.Which of these needs a transparent material? (a) a tea flask lining (b) a switch contact (c) the core of a wire (d) a magnifier lens
  7. 7.Which of these needs a heat insulator? (a) a hair band (b) a window pane (c) a car seat belt (d) a tea flask lining
  8. 8.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🧱 Which property matters most for a spectacle lens? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  10. 10.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) cotton wool (d) plastic-coated cloth
  11. 11.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  12. 12.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  13. 13.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  14. 14.Which of these needs a waterproof material? (a) a car seat belt (b) a yoga mat (c) an umbrella cover (d) a magnifier lens
  15. 15.🔍 Which is the odd one out? (a) graphite (b) iron (c) glass (d) steel
  16. 16.🔍 Which is the odd one out? (a) graphite (b) steel (c) brass (d) plastic
  17. 17.Which of these needs a flexible material? (a) a yoga mat (b) a magnifier lens (c) a car windscreen (d) an umbrella cover
  18. 18.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) clay pottery (d) rubber
  19. 19.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  20. 20.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  21. 21.Which of these needs a transparent material? (a) a spectacle lens (b) a hair band (c) a car seat belt (d) an oven glove
  22. 22.True or false: an oven glove needs a heat insulator. (a) True (b) False
  23. 23.🧱 Which property matters most for a window pane? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  24. 24.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  26. 26.🔍 Which is the odd one out? (a) rubber (b) iron (c) plastic (d) glass
  27. 27.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  28. 28.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  29. 29.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  31. 31.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) aluminium (d) graphite
  32. 32.🔍 Which is the odd one out? (a) graphite (b) steel (c) brass (d) rubber
  33. 33.🧱 Which property matters most for a tea flask lining? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  34. 34.Which of these needs a flexible material? (a) a car windscreen (b) an oven glove (c) a raincoat (d) a car seat belt
  35. 35.Which of these needs an electrical conductor? (a) a water tank (b) an umbrella cover (c) a car windscreen (d) the core of a wire
  36. 36.🧱 Which property matters most for a raincoat? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  37. 37.True or false: a car seat belt needs an electrical conductor. (a) False (b) True
  38. 38.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.Which of these needs a waterproof material? (a) a yoga mat (b) a hair band (c) a roof sheet (d) a magnifier lens
  40. 40.Which of these needs an electrical conductor? (a) a switch contact (b) a raincoat (c) a roof sheet (d) a car windscreen

Answer key

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

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