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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 316 · 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 waterproof material? (a) an oven glove (b) a switch contact (c) a skipping rope (d) a raincoat
  2. 2.🧱 Which material is best for a window pane? (a) steel (b) glass (c) brick (d) wood
  3. 3.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) glass (d) rubber
  4. 4.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  6. 6.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  7. 7.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  8. 8.Which of these needs a heat insulator? (a) a tea flask lining (b) a switch contact (c) a raincoat (d) a skipping rope
  9. 9.🔍 Which is the odd one out? (a) glass (b) plastic (c) brass (d) cotton cloth
  10. 10.🧱 Which property matters most for an umbrella cover? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  11. 11.True or false: a boat hull needs a transparent material. (a) False (b) True
  12. 12.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🔍 Which is the odd one out? (a) aluminium (b) glass (c) cotton cloth (d) rubber
  14. 14.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) rubber (d) glass
  15. 15.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  16. 16.🔍 Which is the odd one out? (a) glass (b) graphite (c) clay pottery (d) plastic
  17. 17.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.True or false: a hair band needs a flexible material. (a) False (b) True
  19. 19.Which of these needs an electrical conductor? (a) a hair band (b) a plug pin (c) a car seat belt (d) a window pane
  20. 20.True or false: a yoga mat needs an electrical conductor. (a) True (b) False
  21. 21.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  23. 23.True or false: an oven glove needs a heat insulator. (a) False (b) True
  24. 24.True or false: a car seat belt needs a flexible material. (a) False (b) True
  25. 25.True or false: a water tank needs a waterproof material. (a) True (b) False
  26. 26.Which of these needs a heat insulator? (a) a car windscreen (b) a yoga mat (c) a hair band (d) a cooking pot handle
  27. 27.🧱 Which property matters most for a boat hull? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  28. 28.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.🧱 Which property matters most for a yoga mat? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  31. 31.Which of these needs a flexible material? (a) a yoga mat (b) a car windscreen (c) an umbrella cover (d) a boat hull
  32. 32.🔍 Which is the odd one out? (a) copper (b) iron (c) aluminium (d) clay pottery
  33. 33.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.Which of these needs a waterproof material? (a) a plug pin (b) a water tank (c) a car seat belt (d) a skipping rope
  35. 35.🧱 Which property matters most for a skipping rope? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  36. 36.True or false: a raincoat needs a flexible material. (a) False (b) True
  37. 37.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  38. 38.Which of these needs a flexible material? (a) a hair band (b) a magnifier lens (c) a window pane (d) a tea flask lining
  39. 39.Which of these needs a transparent material? (a) a hair band (b) an oven glove (c) the core of a wire (d) a car windscreen
  40. 40.🔍 Which is the odd one out? (a) brass (b) rubber (c) iron (d) graphite

Answer key

  1. a raincoat
  2. glass
  3. copper
  4. an insulator
  5. transparent
  6. wood or plastic
  7. heat insulator
  8. a tea flask lining
  9. brass
  10. waterproof
  11. False
  12. an insulator
  13. aluminium
  14. steel
  15. plastic-coated cloth
  16. graphite
  17. a conductor
  18. True
  19. a plug pin
  20. False
  21. an insulator
  22. heat insulator
  23. True
  24. True
  25. True
  26. a cooking pot handle
  27. waterproof
  28. an insulator
  29. a conductor
  30. flexible
  31. a yoga mat
  32. clay pottery
  33. an insulator
  34. a water tank
  35. flexible
  36. False
  37. True
  38. a hair band
  39. a car windscreen
  40. rubber

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