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Engineering Worksheet: Materials

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

Answer key

  1. a skipping rope
  2. an insulator
  3. a cooking pot handle
  4. glass
  5. an insulator
  6. glass
  7. a switch contact
  8. a conductor
  9. flexible
  10. aluminium
  11. waterproof
  12. clay pottery
  13. plastic-coated cloth
  14. transparent
  15. a conductor
  16. steel
  17. a window pane
  18. flexible
  19. graphite
  20. False
  21. waterproof
  22. waterproof
  23. False
  24. a roof sheet
  25. False
  26. a conductor
  27. False
  28. a plug pin
  29. flexible
  30. False
  31. copper
  32. heat insulator
  33. a car windscreen
  34. cotton cloth
  35. a conductor
  36. False
  37. a yoga mat
  38. the core of a wire
  39. wood or plastic
  40. a conductor

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