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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 882 · 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 roof sheet (b) a tea flask lining (c) a spectacle lens (d) a plug pin
  2. 2.Which of these needs a flexible material? (a) a roof sheet (b) a boat hull (c) a plug pin (d) a yoga mat
  3. 3.🔍 Which is the odd one out? (a) clay pottery (b) steel (c) rubber (d) dry wood
  4. 4.🔍 Which is the odd one out? (a) aluminium (b) iron (c) copper (d) plastic
  5. 5.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  6. 6.Which of these needs a flexible material? (a) a skipping rope (b) a plug pin (c) a tea flask lining (d) a raincoat
  7. 7.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  8. 8.True or false: a hair band needs a waterproof material. (a) False (b) True
  9. 9.Which of these needs a transparent material? (a) a car seat belt (b) a raincoat (c) an oven glove (d) a window pane
  10. 10.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) electrical conductor (d) transparent
  11. 11.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which material is best for a window pane? (a) wood (b) glass (c) steel (d) brick
  13. 13.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.🔍 Which is the odd one out? (a) steel (b) aluminium (c) dry wood (d) brass
  15. 15.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  16. 16.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  17. 17.True or false: a window pane needs a transparent material. (a) True (b) False
  18. 18.True or false: a water tank needs a flexible material. (a) True (b) False
  19. 19.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  20. 20.🧱 Which property matters most for a hair band? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  21. 21.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) rubber (d) dry wood
  22. 22.🧱 Which property matters most for a raincoat? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  23. 23.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  25. 25.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.Which of these needs an electrical conductor? (a) a yoga mat (b) a switch contact (c) an oven glove (d) a boat hull
  27. 27.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  28. 28.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  29. 29.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  30. 30.Which of these needs a waterproof material? (a) a spectacle lens (b) a car seat belt (c) a boat hull (d) the core of a wire
  31. 31.True or false: a car seat belt needs a flexible material. (a) True (b) False
  32. 32.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) graphite (d) iron
  34. 34.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs a transparent material? (a) a car seat belt (b) a hair band (c) a plug pin (d) a car windscreen
  37. 37.🧱 Which property matters most for a boat hull? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  38. 38.Which of these needs an electrical conductor? (a) an oven glove (b) the core of a wire (c) a car seat belt (d) a magnifier lens
  39. 39.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  40. 40.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. a tea flask lining
  2. a yoga mat
  3. steel
  4. plastic
  5. wood or plastic
  6. a skipping rope
  7. steel
  8. False
  9. a window pane
  10. heat insulator
  11. an insulator
  12. glass
  13. a conductor
  14. dry wood
  15. electrical conductor
  16. flexible
  17. True
  18. False
  19. True
  20. flexible
  21. brass
  22. waterproof
  23. an insulator
  24. heat insulator
  25. a conductor
  26. a switch contact
  27. True
  28. transparent
  29. waterproof
  30. a boat hull
  31. True
  32. an insulator
  33. cotton cloth
  34. a conductor
  35. a conductor
  36. a car windscreen
  37. waterproof
  38. the core of a wire
  39. plastic-coated cloth
  40. a conductor

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