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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 789 · 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 window pane needs a transparent material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) rubber (d) dry wood
  3. 3.🔍 Which is the odd one out? (a) steel (b) rubber (c) dry wood (d) glass
  4. 4.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  5. 5.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) graphite (d) brass
  6. 6.Which of these needs a transparent material? (a) a plug pin (b) a spectacle lens (c) a raincoat (d) the core of a wire
  7. 7.True or false: a water tank needs a waterproof material. (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) iron (b) brass (c) glass (d) graphite
  9. 9.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  11. 11.Which of these needs a waterproof material? (a) a roof sheet (b) a tea flask lining (c) an oven glove (d) the core of a wire
  12. 12.True or false: a boat hull needs a transparent material. (a) False (b) True
  13. 13.🧱 Which material is best for a window pane? (a) glass (b) brick (c) steel (d) wood
  14. 14.True or false: a skipping rope needs a transparent material. (a) True (b) False
  15. 15.Which of these needs a waterproof material? (a) a switch contact (b) a hair band (c) the core of a wire (d) a water tank
  16. 16.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.🔍 Which is the odd one out? (a) iron (b) dry wood (c) glass (d) plastic
  19. 19.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  20. 20.Which of these needs a flexible material? (a) a boat hull (b) the core of a wire (c) an umbrella cover (d) a yoga mat
  21. 21.Which of these needs a transparent material? (a) a hair band (b) a yoga mat (c) the core of a wire (d) a car windscreen
  22. 22.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  25. 25.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  26. 26.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False
  28. 28.Which of these needs a waterproof material? (a) a car windscreen (b) a magnifier lens (c) a hair band (d) an umbrella cover
  29. 29.True or false: a hair band needs a flexible material. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) brass (b) copper (c) iron (d) dry wood
  31. 31.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  32. 32.True or false: a car seat belt needs a flexible material. (a) True (b) False
  33. 33.🧱 Which property matters most for a car windscreen? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  34. 34.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) iron (d) steel
  35. 35.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) plastic (d) glass
  36. 36.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) copper (d) graphite
  37. 37.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  38. 38.Which of these needs a flexible material? (a) a hair band (b) a roof sheet (c) a cooking pot handle (d) the core of a wire
  39. 39.True or false: a window pane needs an electrical conductor. (a) True (b) False
  40. 40.True or false: a plug pin needs a flexible material. (a) False (b) True

Answer key

  1. True
  2. aluminium
  3. steel
  4. waterproof
  5. cotton cloth
  6. a spectacle lens
  7. True
  8. glass
  9. an insulator
  10. True
  11. a roof sheet
  12. False
  13. glass
  14. False
  15. a water tank
  16. a conductor
  17. a conductor
  18. iron
  19. heat insulator
  20. a yoga mat
  21. a car windscreen
  22. an insulator
  23. an insulator
  24. wood or plastic
  25. True
  26. a conductor
  27. False
  28. an umbrella cover
  29. True
  30. dry wood
  31. False
  32. True
  33. transparent
  34. clay pottery
  35. steel
  36. plastic
  37. waterproof
  38. a hair band
  39. False
  40. False

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