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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 495 · 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) glass (b) brass (c) plastic (d) cotton cloth
  2. 2.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  3. 3.🔍 Which is the odd one out? (a) glass (b) iron (c) rubber (d) dry wood
  4. 4.🔍 Which is the odd one out? (a) rubber (b) steel (c) plastic (d) clay pottery
  5. 5.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) rubber (d) plastic
  6. 6.Which of these needs a transparent material? (a) a boat hull (b) a magnifier lens (c) the core of a wire (d) an umbrella cover
  7. 7.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  8. 8.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  9. 9.True or false: a car seat belt needs an electrical conductor. (a) False (b) True
  10. 10.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.Which of these needs an electrical conductor? (a) a roof sheet (b) an oven glove (c) the core of a wire (d) a water tank
  13. 13.Which of these needs a flexible material? (a) a water tank (b) a tea flask lining (c) a cooking pot handle (d) a skipping rope
  14. 14.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  15. 15.Which of these needs a heat insulator? (a) a plug pin (b) a raincoat (c) a magnifier lens (d) a tea flask lining
  16. 16.🧱 Which material is best for the core of an electric wire? (a) copper (b) wood (c) glass (d) rubber
  17. 17.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  19. 19.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  20. 20.🔍 Which is the odd one out? (a) steel (b) dry wood (c) aluminium (d) iron
  21. 21.🔍 Which is the odd one out? (a) iron (b) glass (c) brass (d) copper
  22. 22.🔍 Which is the odd one out? (a) plastic (b) glass (c) copper (d) clay pottery
  23. 23.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  24. 24.Which of these needs a flexible material? (a) a yoga mat (b) a water tank (c) a car windscreen (d) a switch contact
  25. 25.Which of these needs a waterproof material? (a) an umbrella cover (b) a tea flask lining (c) an oven glove (d) a skipping rope
  26. 26.🔍 Which is the odd one out? (a) iron (b) plastic (c) aluminium (d) steel
  27. 27.Which of these needs a waterproof material? (a) a cooking pot handle (b) a plug pin (c) a hair band (d) a water tank
  28. 28.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  29. 29.Which of these needs a transparent material? (a) a cooking pot handle (b) an umbrella cover (c) a plug pin (d) a window pane
  30. 30.Which of these needs an electrical conductor? (a) a car seat belt (b) a plug pin (c) an umbrella cover (d) a skipping rope
  31. 31.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  34. 34.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
  35. 35.True or false: a water tank needs a waterproof material. (a) False (b) True
  36. 36.True or false: a switch contact needs a transparent material. (a) True (b) False
  37. 37.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  39. 39.Which of these needs an electrical conductor? (a) a switch contact (b) a tea flask lining (c) a roof sheet (d) a car windscreen
  40. 40.🔍 Which is the odd one out? (a) graphite (b) steel (c) clay pottery (d) brass

Answer key

  1. brass
  2. glass
  3. iron
  4. steel
  5. steel
  6. a magnifier lens
  7. heat insulator
  8. waterproof
  9. False
  10. a conductor
  11. a conductor
  12. the core of a wire
  13. a skipping rope
  14. plastic-coated cloth
  15. a tea flask lining
  16. copper
  17. a conductor
  18. waterproof
  19. waterproof
  20. dry wood
  21. glass
  22. copper
  23. transparent
  24. a yoga mat
  25. an umbrella cover
  26. plastic
  27. a water tank
  28. wood or plastic
  29. a window pane
  30. a plug pin
  31. a conductor
  32. a conductor
  33. True
  34. transparent
  35. True
  36. False
  37. an insulator
  38. True
  39. a switch contact
  40. clay pottery

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