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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 682 · 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) clay pottery (b) rubber (c) glass (d) iron
  2. 2.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  3. 3.🧱 Which property matters most for a water tank? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  4. 4.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  5. 5.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which material is best for the core of an electric wire? (a) copper (b) wood (c) glass (d) rubber
  7. 7.Which of these needs an electrical conductor? (a) a spectacle lens (b) a cooking pot handle (c) a car windscreen (d) a switch contact
  8. 8.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  9. 9.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🧱 Which material is best for a window pane? (a) glass (b) steel (c) wood (d) brick
  11. 11.🔍 Which is the odd one out? (a) iron (b) copper (c) rubber (d) aluminium
  12. 12.Which of these needs an electrical conductor? (a) a roof sheet (b) a raincoat (c) a window pane (d) a plug pin
  13. 13.Which of these needs a heat insulator? (a) a raincoat (b) a magnifier lens (c) a tea flask lining (d) a roof sheet
  14. 14.True or false: a raincoat needs a waterproof material. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) steel (b) glass (c) dry wood (d) plastic
  16. 16.🧱 Which property matters most for the core of a wire? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  17. 17.True or false: a window pane needs a heat insulator. (a) False (b) True
  18. 18.True or false: a plug pin needs a transparent material. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) brass (d) dry wood
  20. 20.Which of these needs a waterproof material? (a) a car seat belt (b) a boat hull (c) a tea flask lining (d) a hair band
  21. 21.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) transparent (c) heat insulator (d) flexible
  23. 23.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  24. 24.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🔍 Which is the odd one out? (a) rubber (b) copper (c) dry wood (d) plastic
  27. 27.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.Which of these needs a flexible material? (a) a water tank (b) a car seat belt (c) a raincoat (d) an umbrella cover
  29. 29.Which of these needs a transparent material? (a) the core of a wire (b) a skipping rope (c) a yoga mat (d) a magnifier lens
  30. 30.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  31. 31.Which of these needs a transparent material? (a) a boat hull (b) a yoga mat (c) a switch contact (d) a car windscreen
  32. 32.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.Which of these needs a flexible material? (a) a yoga mat (b) a window pane (c) a car windscreen (d) the core of a wire
  35. 35.Which of these needs a heat insulator? (a) a roof sheet (b) a water tank (c) a car windscreen (d) an oven glove
  36. 36.Which of these needs an electrical conductor? (a) the core of a wire (b) a roof sheet (c) a window pane (d) a car seat belt
  37. 37.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) graphite (b) plastic (c) copper (d) aluminium
  39. 39.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  40. 40.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. iron
  2. plastic-coated cloth
  3. waterproof
  4. transparent
  5. a conductor
  6. copper
  7. a switch contact
  8. steel
  9. an insulator
  10. glass
  11. rubber
  12. a plug pin
  13. a tea flask lining
  14. True
  15. steel
  16. electrical conductor
  17. False
  18. False
  19. brass
  20. a boat hull
  21. an insulator
  22. transparent
  23. heat insulator
  24. an insulator
  25. a conductor
  26. copper
  27. an insulator
  28. a car seat belt
  29. a magnifier lens
  30. wood or plastic
  31. a car windscreen
  32. a conductor
  33. a conductor
  34. a yoga mat
  35. an oven glove
  36. the core of a wire
  37. False
  38. plastic
  39. False
  40. an insulator

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