← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 915 · 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 of these needs a heat insulator? (a) the core of a wire (b) a water tank (c) an umbrella cover (d) an oven glove
  2. 2.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) iron (d) copper
  3. 3.True or false: the core of a wire needs a heat insulator. (a) True (b) False
  4. 4.Which of these needs an electrical conductor? (a) a skipping rope (b) a window pane (c) a yoga mat (d) the core of a wire
  5. 5.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a tea flask lining (c) a car seat belt (d) a switch contact
  7. 7.True or false: a yoga mat needs a flexible material. (a) True (b) False
  8. 8.🧱 Which property matters most for a yoga mat? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  9. 9.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  10. 10.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  11. 11.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  12. 12.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  13. 13.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) graphite (d) cotton cloth
  14. 14.Which of these needs a transparent material? (a) a car seat belt (b) a roof sheet (c) a spectacle lens (d) an umbrella cover
  15. 15.🧱 Which property matters most for the core of a wire? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  16. 16.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which property matters most for a car seat belt? (a) waterproof (b) electrical conductor (c) transparent (d) flexible
  18. 18.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  19. 19.True or false: a roof sheet needs an electrical conductor. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) dry wood (d) brass
  21. 21.True or false: a car windscreen needs a flexible material. (a) True (b) False
  22. 22.Which of these needs a heat insulator? (a) a magnifier lens (b) a switch contact (c) a raincoat (d) a tea flask lining
  23. 23.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  24. 24.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  25. 25.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  26. 26.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) copper (d) rubber
  27. 27.True or false: a skipping rope needs a flexible material. (a) False (b) True
  28. 28.Which of these needs a transparent material? (a) a boat hull (b) an oven glove (c) an umbrella cover (d) a magnifier lens
  29. 29.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) cotton cloth (d) rubber
  31. 31.Which of these needs a heat insulator? (a) an umbrella cover (b) a hair band (c) the core of a wire (d) a cooking pot handle
  32. 32.Which of these needs a waterproof material? (a) a raincoat (b) a car seat belt (c) a hair band (d) a window pane
  33. 33.🔍 Which is the odd one out? (a) copper (b) dry wood (c) brass (d) iron
  34. 34.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🔍 Which is the odd one out? (a) aluminium (b) iron (c) rubber (d) steel
  36. 36.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.🔍 Which is the odd one out? (a) glass (b) dry wood (c) clay pottery (d) steel
  39. 39.True or false: a plug pin needs a heat insulator. (a) False (b) True
  40. 40.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. an oven glove
  2. wood or plastic
  3. False
  4. the core of a wire
  5. an insulator
  6. a switch contact
  7. True
  8. flexible
  9. copper
  10. False
  11. glass
  12. waterproof
  13. graphite
  14. a spectacle lens
  15. electrical conductor
  16. an insulator
  17. flexible
  18. electrical conductor
  19. False
  20. brass
  21. False
  22. a tea flask lining
  23. waterproof
  24. False
  25. transparent
  26. copper
  27. True
  28. a magnifier lens
  29. an insulator
  30. aluminium
  31. a cooking pot handle
  32. a raincoat
  33. dry wood
  34. a conductor
  35. rubber
  36. a conductor
  37. a conductor
  38. steel
  39. False
  40. an insulator

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