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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 527 · 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 property matters most for an oven glove? (a) transparent (b) heat insulator (c) electrical conductor (d) waterproof
  2. 2.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.True or false: a roof sheet needs a flexible material. (a) True (b) False
  4. 4.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  5. 5.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) graphite (d) dry wood
  6. 6.Which of these needs a flexible material? (a) a boat hull (b) a magnifier lens (c) a skipping rope (d) a car windscreen
  7. 7.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  9. 9.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) iron (d) clay pottery
  10. 10.🧱 Which property matters most for a raincoat? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  11. 11.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  12. 12.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  13. 13.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  14. 14.True or false: a water tank needs an electrical conductor. (a) True (b) False
  15. 15.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  16. 16.🧱 Which property matters most for a switch contact? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  17. 17.🔍 Which is the odd one out? (a) copper (b) iron (c) steel (d) glass
  18. 18.Which of these needs a flexible material? (a) a spectacle lens (b) a car seat belt (c) the core of a wire (d) a water tank
  19. 19.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  21. 21.Which of these needs a transparent material? (a) an oven glove (b) a magnifier lens (c) a raincoat (d) an umbrella cover
  22. 22.Which of these needs a waterproof material? (a) a plug pin (b) a cooking pot handle (c) a car windscreen (d) a boat hull
  23. 23.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) cotton cloth (d) steel
  24. 24.🧱 Which property matters most for a hair band? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  25. 25.🧱 Which property matters most for a roof sheet? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  26. 26.True or false: a car windscreen needs an electrical conductor. (a) False (b) True
  27. 27.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) plastic-coated cloth (d) paper
  28. 28.Which of these needs a waterproof material? (a) the core of a wire (b) a tea flask lining (c) a magnifier lens (d) a water tank
  29. 29.Which of these needs an electrical conductor? (a) a yoga mat (b) a window pane (c) a car seat belt (d) the core of a wire
  30. 30.🧱 Which material is best for a cooking pot handle? (a) iron (b) copper (c) aluminium (d) wood or plastic
  31. 31.🔍 Which is the odd one out? (a) graphite (b) brass (c) iron (d) clay pottery
  32. 32.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.Which of these needs a transparent material? (a) a skipping rope (b) a car windscreen (c) an oven glove (d) an umbrella cover
  34. 34.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) steel (d) iron
  35. 35.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.True or false: a hair band needs a flexible material. (a) True (b) False
  37. 37.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  38. 38.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.True or false: a car windscreen needs a flexible material. (a) True (b) False
  40. 40.True or false: a window pane needs a transparent material. (a) False (b) True

Answer key

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

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