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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 974 · 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) rubber (b) clay pottery (c) dry wood (d) iron
  2. 2.🧱 Which property matters most for a raincoat? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  3. 3.Which of these needs a flexible material? (a) a window pane (b) a hair band (c) a boat hull (d) an oven glove
  4. 4.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.🧱 Which material is best for a cooking pot handle? (a) iron (b) copper (c) aluminium (d) wood or plastic
  6. 6.🧱 Which property matters most for a yoga mat? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  7. 7.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  8. 8.Which of these needs a transparent material? (a) a raincoat (b) a magnifier lens (c) a hair band (d) the core of a wire
  9. 9.Which of these needs an electrical conductor? (a) a boat hull (b) a car seat belt (c) a plug pin (d) a skipping rope
  10. 10.Which of these needs a heat insulator? (a) a skipping rope (b) the core of a wire (c) an oven glove (d) an umbrella cover
  11. 11.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) glass (d) copper
  12. 12.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) plastic-coated cloth (d) paper
  13. 13.🧱 Which material is best for a window pane? (a) steel (b) wood (c) glass (d) brick
  14. 14.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  15. 15.Which of these needs a flexible material? (a) an umbrella cover (b) a car seat belt (c) a magnifier lens (d) a spectacle lens
  16. 16.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.Which of these needs a waterproof material? (a) a hair band (b) a magnifier lens (c) a spectacle lens (d) a water tank
  18. 18.True or false: a window pane needs a transparent material. (a) True (b) False
  19. 19.True or false: a skipping rope needs a flexible material. (a) True (b) False
  20. 20.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  21. 21.Which of these needs a flexible material? (a) a tea flask lining (b) a spectacle lens (c) a window pane (d) a skipping rope
  22. 22.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  23. 23.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) heat insulator (c) flexible (d) electrical conductor
  24. 24.🔍 Which is the odd one out? (a) steel (b) graphite (c) brass (d) cotton cloth
  25. 25.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  26. 26.Which of these needs a transparent material? (a) the core of a wire (b) a skipping rope (c) an oven glove (d) a spectacle lens
  27. 27.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) cotton cloth (d) rubber
  28. 28.True or false: a hair band needs a flexible material. (a) False (b) True
  29. 29.True or false: a car seat belt needs a waterproof material. (a) False (b) True
  30. 30.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  31. 31.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  32. 32.🔍 Which is the odd one out? (a) copper (b) aluminium (c) brass (d) glass
  33. 33.Which of these needs a heat insulator? (a) a yoga mat (b) a magnifier lens (c) a boat hull (d) a cooking pot handle
  34. 34.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) steel (b) rubber (c) copper (d) aluminium
  36. 36.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) rubber (d) copper
  39. 39.🧱 Which property matters most for a roof sheet? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  40. 40.True or false: a boat hull needs a waterproof material. (a) True (b) False

Answer key

  1. iron
  2. waterproof
  3. a hair band
  4. a conductor
  5. wood or plastic
  6. flexible
  7. heat insulator
  8. a magnifier lens
  9. a plug pin
  10. an oven glove
  11. copper
  12. plastic-coated cloth
  13. glass
  14. True
  15. a car seat belt
  16. a conductor
  17. a water tank
  18. True
  19. True
  20. True
  21. a skipping rope
  22. True
  23. waterproof
  24. cotton cloth
  25. waterproof
  26. a spectacle lens
  27. steel
  28. True
  29. False
  30. steel
  31. flexible
  32. glass
  33. a cooking pot handle
  34. False
  35. rubber
  36. a conductor
  37. an insulator
  38. copper
  39. waterproof
  40. True

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