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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 504 · 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: an umbrella cover needs a transparent material. (a) False (b) True
  2. 2.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) copper (d) rubber
  3. 3.🧱 Which property matters most for a hair band? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  4. 4.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) flexible (d) heat insulator
  5. 5.Which of these needs a flexible material? (a) a plug pin (b) a window pane (c) a skipping rope (d) an umbrella cover
  6. 6.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) dry wood (d) brass
  7. 7.🔍 Which is the odd one out? (a) brass (b) glass (c) graphite (d) iron
  8. 8.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  9. 9.Which of these needs a transparent material? (a) a tea flask lining (b) a skipping rope (c) a boat hull (d) a magnifier lens
  10. 10.True or false: a spectacle lens needs a heat insulator. (a) True (b) False
  11. 11.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🔍 Which is the odd one out? (a) glass (b) plastic (c) rubber (d) steel
  13. 13.True or false: a car windscreen needs a flexible material. (a) False (b) True
  14. 14.Which of these needs a flexible material? (a) a plug pin (b) a roof sheet (c) a hair band (d) a raincoat
  15. 15.Which of these needs a waterproof material? (a) a cooking pot handle (b) a yoga mat (c) a spectacle lens (d) a water tank
  16. 16.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) cotton wool (d) paper
  17. 17.Which of these needs a heat insulator? (a) a water tank (b) a hair band (c) an oven glove (d) a plug pin
  18. 18.🧱 Which property matters most for a switch contact? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  19. 19.True or false: a roof sheet needs a flexible material. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) copper (d) clay pottery
  21. 21.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.True or false: a water tank needs a waterproof material. (a) True (b) False
  23. 23.Which of these needs a heat insulator? (a) an umbrella cover (b) a window pane (c) a cooking pot handle (d) a car seat belt
  24. 24.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) brass (d) aluminium
  25. 25.Which of these needs a waterproof material? (a) a car seat belt (b) a magnifier lens (c) a hair band (d) an umbrella cover
  26. 26.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) plastic (d) rubber
  27. 27.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  28. 28.Which of these needs a transparent material? (a) a roof sheet (b) a water tank (c) a boat hull (d) a window pane
  29. 29.True or false: a window pane needs a transparent material. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) dry wood (b) brass (c) graphite (d) copper
  31. 31.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.🧱 Which property matters most for a car windscreen? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  34. 34.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  36. 36.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  37. 37.Which of these needs an electrical conductor? (a) an umbrella cover (b) an oven glove (c) a boat hull (d) a switch contact
  38. 38.Which of these needs an electrical conductor? (a) a plug pin (b) a boat hull (c) a magnifier lens (d) a spectacle lens
  39. 39.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  40. 40.Which of these needs a flexible material? (a) a yoga mat (b) a plug pin (c) an umbrella cover (d) a car windscreen

Answer key

  1. False
  2. copper
  3. flexible
  4. flexible
  5. a skipping rope
  6. brass
  7. glass
  8. steel
  9. a magnifier lens
  10. False
  11. an insulator
  12. steel
  13. False
  14. a hair band
  15. a water tank
  16. plastic-coated cloth
  17. an oven glove
  18. electrical conductor
  19. False
  20. clay pottery
  21. a conductor
  22. True
  23. a cooking pot handle
  24. cotton cloth
  25. an umbrella cover
  26. iron
  27. wood or plastic
  28. a window pane
  29. True
  30. dry wood
  31. a conductor
  32. an insulator
  33. transparent
  34. a conductor
  35. False
  36. waterproof
  37. a switch contact
  38. a plug pin
  39. False
  40. a yoga mat

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