← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 711 · 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 cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  2. 2.🔍 Which is the odd one out? (a) glass (b) graphite (c) brass (d) aluminium
  3. 3.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  4. 4.🔍 Which is the odd one out? (a) iron (b) copper (c) plastic (d) aluminium
  5. 5.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  7. 7.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  9. 9.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  10. 10.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  11. 11.🧱 Which material is best for the core of an electric wire? (a) copper (b) glass (c) wood (d) rubber
  12. 12.True or false: an oven glove needs a flexible material. (a) True (b) False
  13. 13.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.Which of these needs a flexible material? (a) the core of a wire (b) a tea flask lining (c) a boat hull (d) a car seat belt
  15. 15.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  16. 16.Which of these needs a heat insulator? (a) the core of a wire (b) a car seat belt (c) a cooking pot handle (d) a water tank
  17. 17.🧱 Which property matters most for a water tank? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  18. 18.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  19. 19.Which of these needs an electrical conductor? (a) a spectacle lens (b) a plug pin (c) a roof sheet (d) a skipping rope
  20. 20.Which of these needs a waterproof material? (a) a car seat belt (b) a tea flask lining (c) a water tank (d) a switch contact
  21. 21.Which of these needs a transparent material? (a) a roof sheet (b) an oven glove (c) a car windscreen (d) a boat hull
  22. 22.Which of these needs a waterproof material? (a) a yoga mat (b) a boat hull (c) a tea flask lining (d) a car windscreen
  23. 23.🔍 Which is the odd one out? (a) dry wood (b) copper (c) iron (d) aluminium
  24. 24.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.Which of these needs a flexible material? (a) a hair band (b) an umbrella cover (c) a cooking pot handle (d) an oven glove
  26. 26.True or false: a spectacle lens needs an electrical conductor. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) graphite (b) clay pottery (c) glass (d) rubber
  28. 28.🧱 Which property matters most for a skipping rope? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  29. 29.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.Which of these needs a flexible material? (a) a car windscreen (b) a switch contact (c) a yoga mat (d) a raincoat
  32. 32.True or false: a car seat belt needs a flexible material. (a) False (b) True
  33. 33.🧱 Which property matters most for a switch contact? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  34. 34.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  36. 36.Which of these needs a flexible material? (a) a boat hull (b) a raincoat (c) a plug pin (d) a skipping rope
  37. 37.🔍 Which is the odd one out? (a) rubber (b) aluminium (c) copper (d) graphite
  38. 38.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.True or false: a switch contact needs a heat insulator. (a) False (b) True
  40. 40.Which of these needs an electrical conductor? (a) the core of a wire (b) a magnifier lens (c) an umbrella cover (d) a yoga mat

Answer key

  1. wood or plastic
  2. glass
  3. transparent
  4. plastic
  5. a conductor
  6. glass
  7. a conductor
  8. True
  9. transparent
  10. waterproof
  11. copper
  12. False
  13. an insulator
  14. a car seat belt
  15. steel
  16. a cooking pot handle
  17. waterproof
  18. True
  19. a plug pin
  20. a water tank
  21. a car windscreen
  22. a boat hull
  23. dry wood
  24. an insulator
  25. a hair band
  26. False
  27. graphite
  28. flexible
  29. an insulator
  30. a conductor
  31. a yoga mat
  32. True
  33. electrical conductor
  34. an insulator
  35. transparent
  36. a skipping rope
  37. rubber
  38. a conductor
  39. False
  40. the core of a wire

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