← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 472 · 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.True or false: a magnifier lens needs an electrical conductor. (a) True (b) False
  2. 2.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.Which of these needs a heat insulator? (a) a water tank (b) an oven glove (c) a window pane (d) a hair band
  4. 4.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) copper (d) iron
  5. 5.Which of these needs a flexible material? (a) an umbrella cover (b) a hair band (c) the core of a wire (d) a raincoat
  6. 6.True or false: a yoga mat needs a flexible material. (a) True (b) False
  7. 7.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  8. 8.🧱 Which property matters most for a spectacle lens? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  9. 9.🔍 Which is the odd one out? (a) rubber (b) brass (c) plastic (d) glass
  10. 10.True or false: a cooking pot handle needs an electrical conductor. (a) False (b) True
  11. 11.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.Which of these needs a flexible material? (a) an umbrella cover (b) a magnifier lens (c) a car seat belt (d) a roof sheet
  13. 13.Which of these needs a waterproof material? (a) a magnifier lens (b) a cooking pot handle (c) a hair band (d) an umbrella cover
  14. 14.Which of these needs a transparent material? (a) an oven glove (b) a raincoat (c) a car windscreen (d) an umbrella cover
  15. 15.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  16. 16.🔍 Which is the odd one out? (a) aluminium (b) brass (c) graphite (d) rubber
  17. 17.🧱 Which property matters most for a boat hull? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  18. 18.🔍 Which is the odd one out? (a) glass (b) graphite (c) steel (d) aluminium
  19. 19.Which of these needs a flexible material? (a) a plug pin (b) an umbrella cover (c) a raincoat (d) a yoga mat
  20. 20.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  21. 21.🔍 Which is the odd one out? (a) aluminium (b) clay pottery (c) brass (d) graphite
  22. 22.🧱 Which property matters most for the core of a wire? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  23. 23.🔍 Which is the odd one out? (a) copper (b) aluminium (c) graphite (d) plastic
  24. 24.Which of these needs a heat insulator? (a) a yoga mat (b) a raincoat (c) a car windscreen (d) a tea flask lining
  25. 25.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  26. 26.🧱 Which property matters most for a switch contact? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  27. 27.True or false: a skipping rope needs a flexible material. (a) True (b) False
  28. 28.Which of these needs a transparent material? (a) a window pane (b) a car seat belt (c) a tea flask lining (d) a roof sheet
  29. 29.🧱 Which property matters most for a water tank? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  30. 30.Which of these needs a waterproof material? (a) a switch contact (b) a boat hull (c) a skipping rope (d) a car seat belt
  31. 31.True or false: a cooking pot handle needs a transparent material. (a) False (b) True
  32. 32.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.True or false: a switch contact needs a waterproof material. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) rubber (d) iron
  36. 36.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) steel (d) rubber
  37. 37.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  38. 38.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  39. 39.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  40. 40.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) graphite (d) plastic

Answer key

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

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