← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 842 · 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 window pane? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  2. 2.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  3. 3.Which of these needs a flexible material? (a) a hair band (b) a window pane (c) a raincoat (d) a spectacle lens
  4. 4.True or false: a switch contact needs a flexible material. (a) True (b) False
  5. 5.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  7. 7.🔍 Which is the odd one out? (a) dry wood (b) brass (c) copper (d) steel
  8. 8.True or false: a tea flask lining needs a waterproof material. (a) False (b) True
  9. 9.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  10. 10.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  12. 12.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  13. 13.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.Which of these needs a heat insulator? (a) a car seat belt (b) a tea flask lining (c) a yoga mat (d) a hair band
  15. 15.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) steel (d) plastic
  17. 17.🔍 Which is the odd one out? (a) glass (b) copper (c) graphite (d) steel
  18. 18.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🧱 Which property matters most for a car seat belt? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  20. 20.🧱 Which property matters most for an umbrella cover? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  21. 21.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  22. 22.True or false: a car seat belt needs an electrical conductor. (a) True (b) False
  23. 23.Which of these needs a flexible material? (a) a cooking pot handle (b) a yoga mat (c) a magnifier lens (d) a window pane
  24. 24.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.Which of these needs a flexible material? (a) a window pane (b) a raincoat (c) a car seat belt (d) a spectacle lens
  26. 26.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) copper (d) wood
  27. 27.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  28. 28.🧱 Which property matters most for a boat hull? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  29. 29.🧱 Which property matters most for a car windscreen? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  30. 30.🔍 Which is the odd one out? (a) copper (b) aluminium (c) iron (d) rubber
  31. 31.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  32. 32.🧱 Which property matters most for a plug pin? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  33. 33.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  34. 34.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  35. 35.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🔍 Which is the odd one out? (a) copper (b) graphite (c) plastic (d) steel
  37. 37.🔍 Which is the odd one out? (a) rubber (b) copper (c) glass (d) dry wood
  38. 38.True or false: a water tank needs a flexible material. (a) True (b) False
  39. 39.🧱 Which property matters most for an oven glove? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  40. 40.Which of these needs a flexible material? (a) a car windscreen (b) a plug pin (c) a magnifier lens (d) a skipping rope

Answer key

  1. transparent
  2. False
  3. a hair band
  4. False
  5. a conductor
  6. flexible
  7. dry wood
  8. False
  9. waterproof
  10. an insulator
  11. False
  12. glass
  13. an insulator
  14. a tea flask lining
  15. an insulator
  16. steel
  17. glass
  18. a conductor
  19. flexible
  20. waterproof
  21. heat insulator
  22. False
  23. a yoga mat
  24. a conductor
  25. a car seat belt
  26. copper
  27. False
  28. waterproof
  29. transparent
  30. rubber
  31. False
  32. electrical conductor
  33. True
  34. wood or plastic
  35. an insulator
  36. plastic
  37. copper
  38. False
  39. heat insulator
  40. a skipping rope

Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids