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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 714 · 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) glass (b) cotton cloth (c) aluminium (d) clay pottery
  2. 2.Which of these needs a transparent material? (a) a window pane (b) a tea flask lining (c) a car seat belt (d) a boat hull
  3. 3.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  4. 4.Which of these needs a heat insulator? (a) a switch contact (b) a cooking pot handle (c) a boat hull (d) a roof sheet
  5. 5.True or false: a roof sheet needs a flexible material. (a) False (b) True
  6. 6.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  7. 7.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  8. 8.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.True or false: a hair band needs a transparent material. (a) True (b) False
  10. 10.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) iron (d) wood or plastic
  11. 11.True or false: a yoga mat needs a flexible material. (a) False (b) True
  12. 12.True or false: a boat hull needs a transparent material. (a) False (b) True
  13. 13.Which of these needs a heat insulator? (a) a window pane (b) a roof sheet (c) a tea flask lining (d) a boat hull
  14. 14.Which of these needs a waterproof material? (a) a car seat belt (b) a tea flask lining (c) a plug pin (d) a roof sheet
  15. 15.Which of these needs a transparent material? (a) a plug pin (b) a water tank (c) a magnifier lens (d) a car seat belt
  16. 16.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.Which of these needs a flexible material? (a) a car seat belt (b) a switch contact (c) a spectacle lens (d) a tea flask lining
  18. 18.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) wood (d) copper
  19. 19.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) clay pottery (d) brass
  20. 20.🔍 Which is the odd one out? (a) steel (b) plastic (c) brass (d) iron
  21. 21.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  23. 23.Which of these needs a transparent material? (a) a water tank (b) a car windscreen (c) a boat hull (d) an umbrella cover
  24. 24.Which of these needs a waterproof material? (a) a magnifier lens (b) a car windscreen (c) a car seat belt (d) a water tank
  25. 25.Which of these needs a flexible material? (a) a yoga mat (b) a window pane (c) a raincoat (d) a water tank
  26. 26.Which of these needs a waterproof material? (a) a skipping rope (b) a car windscreen (c) an umbrella cover (d) a car seat belt
  27. 27.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  28. 28.🧱 Which property matters most for a switch contact? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  29. 29.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  30. 30.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.🔍 Which is the odd one out? (a) dry wood (b) cotton cloth (c) steel (d) glass
  32. 32.Which of these needs a transparent material? (a) a tea flask lining (b) a water tank (c) a spectacle lens (d) an umbrella cover
  33. 33.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  35. 35.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  36. 36.Which of these needs an electrical conductor? (a) a car seat belt (b) a plug pin (c) a boat hull (d) a raincoat
  37. 37.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  38. 38.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  39. 39.Which of these needs a waterproof material? (a) a switch contact (b) a boat hull (c) the core of a wire (d) a tea flask lining
  40. 40.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. aluminium
  2. a window pane
  3. transparent
  4. a cooking pot handle
  5. False
  6. steel
  7. plastic-coated cloth
  8. an insulator
  9. False
  10. wood or plastic
  11. True
  12. False
  13. a tea flask lining
  14. a roof sheet
  15. a magnifier lens
  16. an insulator
  17. a car seat belt
  18. copper
  19. brass
  20. plastic
  21. a conductor
  22. transparent
  23. a car windscreen
  24. a water tank
  25. a yoga mat
  26. an umbrella cover
  27. waterproof
  28. electrical conductor
  29. heat insulator
  30. an insulator
  31. steel
  32. a spectacle lens
  33. a conductor
  34. True
  35. waterproof
  36. a plug pin
  37. True
  38. transparent
  39. a boat hull
  40. an insulator

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