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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 415 · 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 is the odd one out? (a) graphite (b) clay pottery (c) brass (d) aluminium
  2. 2.🧱 Which property matters most for a magnifier lens? (a) transparent (b) flexible (c) heat insulator (d) electrical conductor
  3. 3.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  4. 4.True or false: a hair band needs a flexible material. (a) False (b) True
  5. 5.True or false: a yoga mat needs a flexible material. (a) False (b) True
  6. 6.Which of these needs a waterproof material? (a) a window pane (b) a boat hull (c) a skipping rope (d) a plug pin
  7. 7.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  8. 8.🔍 Which is the odd one out? (a) brass (b) plastic (c) aluminium (d) graphite
  9. 9.🧱 Which property matters most for a yoga mat? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  10. 10.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.Which of these needs an electrical conductor? (a) a water tank (b) a plug pin (c) a car seat belt (d) a raincoat
  12. 12.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  13. 13.True or false: the core of a wire needs a transparent material. (a) True (b) False
  14. 14.🧱 Which material is best for a window pane? (a) brick (b) glass (c) steel (d) wood
  15. 15.Which of these needs a waterproof material? (a) a switch contact (b) a car windscreen (c) an umbrella cover (d) an oven glove
  16. 16.🔍 Which is the odd one out? (a) rubber (b) glass (c) clay pottery (d) copper
  17. 17.True or false: a boat hull needs a waterproof material. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) glass (d) clay pottery
  19. 19.🔍 Which is the odd one out? (a) plastic (b) rubber (c) glass (d) graphite
  20. 20.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  21. 21.True or false: an oven glove needs a flexible material. (a) True (b) False
  22. 22.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  23. 23.🧱 Which property matters most for a boat hull? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  24. 24.Which of these needs a transparent material? (a) the core of a wire (b) a tea flask lining (c) a spectacle lens (d) a water tank
  25. 25.Which of these needs a transparent material? (a) a plug pin (b) an umbrella cover (c) a boat hull (d) a window pane
  26. 26.🔍 Which is the odd one out? (a) graphite (b) rubber (c) steel (d) iron
  27. 27.🧱 Which property matters most for an oven glove? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  28. 28.True or false: a window pane needs a transparent material. (a) False (b) True
  29. 29.Which of these needs a waterproof material? (a) a roof sheet (b) a tea flask lining (c) a hair band (d) a cooking pot handle
  30. 30.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  32. 32.Which of these needs a flexible material? (a) a car seat belt (b) an umbrella cover (c) a switch contact (d) a magnifier lens
  33. 33.Which of these needs a heat insulator? (a) a water tank (b) a window pane (c) a boat hull (d) a tea flask lining
  34. 34.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  35. 35.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  36. 36.🔍 Which is the odd one out? (a) steel (b) glass (c) plastic (d) clay pottery
  37. 37.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  38. 38.🧱 Which property matters most for a water tank? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  39. 39.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
  40. 40.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. clay pottery
  2. transparent
  3. steel
  4. True
  5. True
  6. a boat hull
  7. wood or plastic
  8. plastic
  9. flexible
  10. an insulator
  11. a plug pin
  12. transparent
  13. False
  14. glass
  15. an umbrella cover
  16. copper
  17. True
  18. iron
  19. graphite
  20. plastic-coated cloth
  21. False
  22. waterproof
  23. waterproof
  24. a spectacle lens
  25. a window pane
  26. rubber
  27. heat insulator
  28. True
  29. a roof sheet
  30. an insulator
  31. flexible
  32. a car seat belt
  33. a tea flask lining
  34. waterproof
  35. copper
  36. steel
  37. False
  38. waterproof
  39. transparent
  40. a conductor

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