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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 228 · 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 material is best for a window pane? (a) glass (b) brick (c) steel (d) wood
  2. 2.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  3. 3.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  4. 4.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.Which of these needs an electrical conductor? (a) a plug pin (b) a car seat belt (c) a magnifier lens (d) a boat hull
  6. 6.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel
  7. 7.Which of these needs a flexible material? (a) a tea flask lining (b) a cooking pot handle (c) a spectacle lens (d) a skipping rope
  8. 8.🔍 Which is the odd one out? (a) aluminium (b) iron (c) steel (d) rubber
  9. 9.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.True or false: a switch contact needs a waterproof material. (a) False (b) True
  11. 11.Which of these needs a flexible material? (a) an oven glove (b) the core of a wire (c) a water tank (d) a hair band
  12. 12.True or false: a car seat belt needs a flexible material. (a) False (b) True
  13. 13.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  14. 14.Which of these needs an electrical conductor? (a) a water tank (b) a roof sheet (c) a car windscreen (d) the core of a wire
  15. 15.True or false: a window pane needs a transparent material. (a) True (b) False
  16. 16.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  17. 17.Which of these needs a transparent material? (a) a spectacle lens (b) a plug pin (c) a roof sheet (d) an umbrella cover
  18. 18.🧱 Which property matters most for a skipping rope? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  19. 19.🧱 Which material is best for the core of an electric wire? (a) copper (b) glass (c) wood (d) rubber
  20. 20.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  21. 21.Which of these needs a transparent material? (a) a switch contact (b) a yoga mat (c) a car windscreen (d) a hair band
  22. 22.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) copper (d) aluminium
  23. 23.🔍 Which is the odd one out? (a) rubber (b) brass (c) cotton cloth (d) dry wood
  24. 24.Which of these needs a waterproof material? (a) a skipping rope (b) a switch contact (c) a boat hull (d) a car seat belt
  25. 25.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) plastic-coated cloth (d) cotton wool
  26. 26.Which of these needs a transparent material? (a) a switch contact (b) a magnifier lens (c) an umbrella cover (d) a tea flask lining
  27. 27.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  28. 28.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  29. 29.True or false: an oven glove needs a flexible material. (a) True (b) False
  30. 30.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  31. 31.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  32. 32.Which of these needs a waterproof material? (a) an oven glove (b) a raincoat (c) a hair band (d) a car seat belt
  33. 33.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  34. 34.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  35. 35.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  36. 36.Which of these needs a transparent material? (a) a hair band (b) a skipping rope (c) a plug pin (d) a window pane
  37. 37.🔍 Which is the odd one out? (a) brass (b) plastic (c) aluminium (d) steel
  38. 38.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.Which of these needs a waterproof material? (a) a car seat belt (b) a roof sheet (c) a window pane (d) a cooking pot handle
  40. 40.🔍 Which is the odd one out? (a) steel (b) glass (c) copper (d) graphite

Answer key

  1. glass
  2. electrical conductor
  3. waterproof
  4. a conductor
  5. a plug pin
  6. steel
  7. a skipping rope
  8. rubber
  9. a conductor
  10. False
  11. a hair band
  12. True
  13. wood or plastic
  14. the core of a wire
  15. True
  16. False
  17. a spectacle lens
  18. flexible
  19. copper
  20. transparent
  21. a car windscreen
  22. dry wood
  23. brass
  24. a boat hull
  25. plastic-coated cloth
  26. a magnifier lens
  27. waterproof
  28. True
  29. False
  30. heat insulator
  31. waterproof
  32. a raincoat
  33. False
  34. False
  35. True
  36. a window pane
  37. plastic
  38. an insulator
  39. a roof sheet
  40. glass

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