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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 175 · 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.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  2. 2.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  3. 3.🧱 Which property matters most for a yoga mat? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  4. 4.🔍 Which is the odd one out? (a) plastic (b) steel (c) copper (d) iron
  5. 5.Which of these needs an electrical conductor? (a) a hair band (b) a plug pin (c) a window pane (d) a tea flask lining
  6. 6.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Which property matters most for a car seat belt? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  9. 9.True or false: a cooking pot handle needs a transparent material. (a) True (b) False
  10. 10.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  11. 11.Which of these needs a transparent material? (a) a roof sheet (b) a car windscreen (c) a hair band (d) a water tank
  12. 12.True or false: a water tank needs a waterproof material. (a) True (b) False
  13. 13.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  14. 14.Which of these needs an electrical conductor? (a) a car windscreen (b) a water tank (c) the core of a wire (d) a raincoat
  15. 15.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) iron (d) cotton cloth
  17. 17.🧱 Which property matters most for a boat hull? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  18. 18.Which of these needs a transparent material? (a) an umbrella cover (b) a yoga mat (c) a cooking pot handle (d) a magnifier lens
  19. 19.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) brass (d) clay pottery
  20. 20.🧱 Which material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  21. 21.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  22. 22.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  23. 23.Which of these needs a waterproof material? (a) a car windscreen (b) a car seat belt (c) a spectacle lens (d) an umbrella cover
  24. 24.True or false: an oven glove needs a waterproof material. (a) False (b) True
  25. 25.Which of these needs a flexible material? (a) a spectacle lens (b) a hair band (c) a cooking pot handle (d) an oven glove
  26. 26.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.Which of these needs a heat insulator? (a) a cooking pot handle (b) a magnifier lens (c) a skipping rope (d) a raincoat
  29. 29.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Which property matters most for a skipping rope? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  33. 33.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  34. 34.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  35. 35.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  36. 36.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  37. 37.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) aluminium (d) iron
  38. 38.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) dry wood (d) brass
  39. 39.True or false: a skipping rope needs a heat insulator. (a) False (b) True
  40. 40.True or false: a hair band needs a waterproof material. (a) True (b) False

Answer key

  1. True
  2. waterproof
  3. flexible
  4. plastic
  5. a plug pin
  6. a conductor
  7. an insulator
  8. flexible
  9. False
  10. True
  11. a car windscreen
  12. True
  13. False
  14. the core of a wire
  15. True
  16. iron
  17. waterproof
  18. a magnifier lens
  19. clay pottery
  20. glass
  21. heat insulator
  22. steel
  23. an umbrella cover
  24. False
  25. a hair band
  26. an insulator
  27. an insulator
  28. a cooking pot handle
  29. an insulator
  30. a conductor
  31. an insulator
  32. flexible
  33. electrical conductor
  34. False
  35. plastic-coated cloth
  36. copper
  37. wood or plastic
  38. brass
  39. False
  40. False

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