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Engineering Worksheet: Materials

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

Answer key

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

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