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Engineering Worksheet: Materials

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

Answer key

  1. False
  2. glass
  3. a magnifier lens
  4. flexible
  5. wood or plastic
  6. transparent
  7. a conductor
  8. plastic-coated cloth
  9. a conductor
  10. glass
  11. False
  12. steel
  13. aluminium
  14. a water tank
  15. heat insulator
  16. a yoga mat
  17. clay pottery
  18. a conductor
  19. electrical conductor
  20. True
  21. a window pane
  22. transparent
  23. copper
  24. a conductor
  25. an insulator
  26. an oven glove
  27. a skipping rope
  28. True
  29. a conductor
  30. flexible
  31. a switch contact
  32. flexible
  33. waterproof
  34. a car seat belt
  35. True
  36. False
  37. heat insulator
  38. dry wood
  39. brass
  40. True

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