← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 963 · 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.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.True or false: a hair band needs a flexible material. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) graphite (b) rubber (c) clay pottery (d) cotton cloth
  4. 4.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  5. 5.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  7. 7.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.Which of these needs a transparent material? (a) a yoga mat (b) a tea flask lining (c) a boat hull (d) a window pane
  9. 9.🔍 Which is the odd one out? (a) copper (b) steel (c) graphite (d) dry wood
  10. 10.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  11. 11.True or false: a cooking pot handle needs a waterproof material. (a) False (b) True
  12. 12.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🔍 Which is the odd one out? (a) plastic (b) steel (c) graphite (d) copper
  14. 14.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which property matters most for a water tank? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  17. 17.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.🔍 Which is the odd one out? (a) rubber (b) plastic (c) cotton cloth (d) copper
  19. 19.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.True or false: a water tank needs a transparent material. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) copper (b) steel (c) cotton cloth (d) brass
  22. 22.Which of these needs a flexible material? (a) a window pane (b) a water tank (c) a hair band (d) a spectacle lens
  23. 23.Which of these needs a transparent material? (a) a switch contact (b) the core of a wire (c) a raincoat (d) a car windscreen
  24. 24.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  25. 25.True or false: a boat hull needs a waterproof material. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) dry wood (b) glass (c) steel (d) cotton cloth
  27. 27.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  28. 28.🧱 Which property matters most for an oven glove? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  29. 29.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) rubber (d) glass
  30. 30.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  31. 31.True or false: a switch contact needs a flexible material. (a) True (b) False
  32. 32.Which of these needs a flexible material? (a) an oven glove (b) the core of a wire (c) a yoga mat (d) a magnifier lens
  33. 33.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  34. 34.True or false: a car seat belt needs a flexible material. (a) False (b) True
  35. 35.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs a flexible material? (a) a cooking pot handle (b) a raincoat (c) an umbrella cover (d) a skipping rope
  37. 37.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  38. 38.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) iron (d) plastic
  39. 39.Which of these needs a waterproof material? (a) a spectacle lens (b) a boat hull (c) a yoga mat (d) a switch contact
  40. 40.True or false: a car windscreen needs a transparent material. (a) False (b) True

Answer key

  1. an insulator
  2. True
  3. graphite
  4. wood or plastic
  5. an insulator
  6. True
  7. an insulator
  8. a window pane
  9. dry wood
  10. flexible
  11. False
  12. a conductor
  13. plastic
  14. an insulator
  15. a conductor
  16. waterproof
  17. an insulator
  18. copper
  19. a conductor
  20. False
  21. cotton cloth
  22. a hair band
  23. a car windscreen
  24. plastic-coated cloth
  25. True
  26. steel
  27. waterproof
  28. heat insulator
  29. copper
  30. waterproof
  31. False
  32. a yoga mat
  33. glass
  34. True
  35. a conductor
  36. a skipping rope
  37. transparent
  38. iron
  39. a boat hull
  40. True

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