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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 638 · 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 waterproof material. (a) False (b) True
  2. 2.Which of these needs a waterproof material? (a) an umbrella cover (b) a window pane (c) a skipping rope (d) a car seat belt
  3. 3.True or false: a boat hull needs a waterproof material. (a) True (b) False
  4. 4.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  6. 6.🔍 Which is the odd one out? (a) aluminium (b) copper (c) brass (d) glass
  7. 7.True or false: a skipping rope needs an electrical conductor. (a) True (b) False
  8. 8.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  9. 9.Which of these needs a flexible material? (a) a plug pin (b) a skipping rope (c) a spectacle lens (d) a tea flask lining
  10. 10.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  11. 11.True or false: a car seat belt needs a flexible material. (a) False (b) True
  12. 12.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  13. 13.Which of these needs an electrical conductor? (a) a roof sheet (b) an umbrella cover (c) a boat hull (d) a plug pin
  14. 14.🧱 Which property matters most for an oven glove? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  15. 15.🔍 Which is the odd one out? (a) rubber (b) brass (c) cotton cloth (d) clay pottery
  16. 16.Which of these needs a transparent material? (a) a skipping rope (b) a raincoat (c) a plug pin (d) a car windscreen
  17. 17.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  18. 18.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  19. 19.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) steel (d) rubber
  20. 20.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  21. 21.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  22. 22.🧱 Which property matters most for a boat hull? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  23. 23.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  24. 24.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  26. 26.True or false: a car seat belt needs a heat insulator. (a) True (b) False
  27. 27.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  28. 28.Which of these needs an electrical conductor? (a) a spectacle lens (b) a switch contact (c) a raincoat (d) a roof sheet
  29. 29.Which of these needs a transparent material? (a) a magnifier lens (b) a plug pin (c) a cooking pot handle (d) the core of a wire
  30. 30.🔍 Which is the odd one out? (a) dry wood (b) iron (c) copper (d) brass
  31. 31.🔍 Which is the odd one out? (a) graphite (b) copper (c) aluminium (d) plastic
  32. 32.🔍 Which is the odd one out? (a) iron (b) copper (c) steel (d) clay pottery
  33. 33.🔍 Which is the odd one out? (a) plastic (b) rubber (c) iron (d) dry wood
  34. 34.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  35. 35.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
  36. 36.True or false: a raincoat needs a waterproof material. (a) False (b) True
  37. 37.Which of these needs a flexible material? (a) a water tank (b) a plug pin (c) a roof sheet (d) a hair band
  38. 38.Which of these needs an electrical conductor? (a) a raincoat (b) a window pane (c) an umbrella cover (d) the core of a wire
  39. 39.True or false: a cooking pot handle needs a flexible material. (a) True (b) False
  40. 40.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

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

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