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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 818 · 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 heat insulator? (a) a cooking pot handle (b) a plug pin (c) a magnifier lens (d) a roof sheet
  2. 2.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  3. 3.🔍 Which is the odd one out? (a) clay pottery (b) steel (c) iron (d) brass
  4. 4.🔍 Which is the odd one out? (a) copper (b) plastic (c) cotton cloth (d) rubber
  5. 5.🔍 Which is the odd one out? (a) plastic (b) glass (c) dry wood (d) brass
  6. 6.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  7. 7.🔍 Which is the odd one out? (a) plastic (b) rubber (c) steel (d) cotton cloth
  8. 8.🧱 Which property matters most for a spectacle lens? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  9. 9.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  10. 10.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) aluminium (b) steel (c) copper (d) glass
  12. 12.Which of these needs a waterproof material? (a) a raincoat (b) a car seat belt (c) a switch contact (d) a hair band
  13. 13.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.Which of these needs an electrical conductor? (a) the core of a wire (b) a skipping rope (c) a raincoat (d) a boat hull
  15. 15.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  16. 16.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  17. 17.🧱 Which property matters most for an oven glove? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  18. 18.Which of these needs a flexible material? (a) a yoga mat (b) a tea flask lining (c) a raincoat (d) an oven glove
  19. 19.🧱 Which property matters most for an umbrella cover? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  20. 20.Which of these needs an electrical conductor? (a) an umbrella cover (b) a plug pin (c) an oven glove (d) a yoga mat
  21. 21.🧱 Which property matters most for a boat hull? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  22. 22.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) plastic (d) glass
  23. 23.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  24. 24.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) heat insulator (c) electrical conductor (d) flexible
  25. 25.🔍 Which is the odd one out? (a) dry wood (b) glass (c) aluminium (d) rubber
  26. 26.Which of these needs a waterproof material? (a) a water tank (b) a car seat belt (c) a car windscreen (d) a switch contact
  27. 27.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  28. 28.🧱 Which material is best for a window pane? (a) glass (b) wood (c) brick (d) steel
  29. 29.🔍 Which is the odd one out? (a) graphite (b) steel (c) copper (d) plastic
  30. 30.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  31. 31.Which of these needs a heat insulator? (a) a raincoat (b) a plug pin (c) a tea flask lining (d) a switch contact
  32. 32.Which of these needs a waterproof material? (a) a magnifier lens (b) a boat hull (c) a hair band (d) a plug pin
  33. 33.🧱 Which property matters most for a window pane? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  34. 34.True or false: a car windscreen needs an electrical conductor. (a) False (b) True
  35. 35.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  37. 37.Which of these needs an electrical conductor? (a) a raincoat (b) a tea flask lining (c) a switch contact (d) a window pane
  38. 38.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.🧱 Which property matters most for a car seat belt? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  40. 40.True or false: a raincoat needs a transparent material. (a) True (b) False

Answer key

  1. a cooking pot handle
  2. waterproof
  3. clay pottery
  4. copper
  5. brass
  6. plastic-coated cloth
  7. steel
  8. transparent
  9. flexible
  10. True
  11. glass
  12. a raincoat
  13. a conductor
  14. the core of a wire
  15. steel
  16. heat insulator
  17. heat insulator
  18. a yoga mat
  19. waterproof
  20. a plug pin
  21. waterproof
  22. iron
  23. electrical conductor
  24. heat insulator
  25. aluminium
  26. a water tank
  27. True
  28. glass
  29. plastic
  30. transparent
  31. a tea flask lining
  32. a boat hull
  33. transparent
  34. False
  35. an insulator
  36. True
  37. a switch contact
  38. a conductor
  39. flexible
  40. False

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