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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 66 · 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 a car windscreen? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  2. 2.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) wood or plastic (d) iron
  3. 3.🧱 Which property matters most for a raincoat? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  4. 4.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  5. 5.True or false: a plug pin needs a waterproof material. (a) False (b) True
  6. 6.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.Which of these needs a flexible material? (a) a boat hull (b) a raincoat (c) an umbrella cover (d) a hair band
  8. 8.Which of these needs a waterproof material? (a) a magnifier lens (b) the core of a wire (c) a window pane (d) a roof sheet
  9. 9.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  10. 10.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) dry wood (d) clay pottery
  12. 12.🔍 Which is the odd one out? (a) rubber (b) iron (c) steel (d) copper
  13. 13.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) graphite (b) steel (c) iron (d) dry wood
  15. 15.🔍 Which is the odd one out? (a) copper (b) iron (c) aluminium (d) glass
  16. 16.Which of these needs a heat insulator? (a) a window pane (b) the core of a wire (c) a cooking pot handle (d) a boat hull
  17. 17.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) dry wood (d) copper
  18. 18.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  19. 19.🧱 Which property matters most for a skipping rope? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  20. 20.Which of these needs a flexible material? (a) a car seat belt (b) a roof sheet (c) a boat hull (d) a tea flask lining
  21. 21.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which property matters most for a roof sheet? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  23. 23.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) glass (d) brass
  24. 24.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) brass (d) graphite
  25. 25.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  27. 27.🔍 Which is the odd one out? (a) aluminium (b) brass (c) clay pottery (d) steel
  28. 28.True or false: a car seat belt needs a flexible material. (a) False (b) True
  29. 29.True or false: a raincoat needs a waterproof material. (a) False (b) True
  30. 30.Which of these needs a waterproof material? (a) a boat hull (b) a skipping rope (c) a magnifier lens (d) an oven glove
  31. 31.🔍 Which is the odd one out? (a) rubber (b) iron (c) clay pottery (d) glass
  32. 32.Which of these needs a flexible material? (a) a boat hull (b) a car windscreen (c) a yoga mat (d) an umbrella cover
  33. 33.🧱 Which property matters most for a window pane? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  34. 34.Which of these needs a transparent material? (a) an umbrella cover (b) a spectacle lens (c) a car seat belt (d) a plug pin
  35. 35.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.Which of these needs a waterproof material? (a) a raincoat (b) a tea flask lining (c) a cooking pot handle (d) a hair band
  37. 37.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) paper (d) cotton wool
  39. 39.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  40. 40.Which of these needs a transparent material? (a) a raincoat (b) a window pane (c) a water tank (d) a yoga mat

Answer key

  1. transparent
  2. wood or plastic
  3. waterproof
  4. glass
  5. False
  6. an insulator
  7. a hair band
  8. a roof sheet
  9. steel
  10. an insulator
  11. aluminium
  12. rubber
  13. False
  14. dry wood
  15. glass
  16. a cooking pot handle
  17. copper
  18. False
  19. flexible
  20. a car seat belt
  21. an insulator
  22. waterproof
  23. brass
  24. cotton cloth
  25. an insulator
  26. copper
  27. clay pottery
  28. True
  29. True
  30. a boat hull
  31. iron
  32. a yoga mat
  33. transparent
  34. a spectacle lens
  35. a conductor
  36. a raincoat
  37. a conductor
  38. plastic-coated cloth
  39. heat insulator
  40. a window pane

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