← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 730 · 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 is the odd one out? (a) iron (b) clay pottery (c) aluminium (d) copper
  2. 2.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) cotton wool (d) paper
  3. 3.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel
  4. 4.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  5. 5.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  6. 6.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  7. 7.Which of these needs a transparent material? (a) a hair band (b) an umbrella cover (c) a spectacle lens (d) a plug pin
  8. 8.🧱 Which property matters most for a magnifier lens? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  9. 9.🔍 Which is the odd one out? (a) graphite (b) dry wood (c) iron (d) aluminium
  10. 10.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  11. 11.Which of these needs a waterproof material? (a) a switch contact (b) a window pane (c) a raincoat (d) an oven glove
  12. 12.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  13. 13.Which of these needs a heat insulator? (a) a car seat belt (b) a roof sheet (c) a raincoat (d) an oven glove
  14. 14.🔍 Which is the odd one out? (a) glass (b) aluminium (c) dry wood (d) rubber
  15. 15.🔍 Which is the odd one out? (a) steel (b) copper (c) cotton cloth (d) graphite
  16. 16.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  18. 18.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.True or false: a car seat belt needs a flexible material. (a) False (b) True
  21. 21.🧱 Which property matters most for a water tank? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  22. 22.True or false: a roof sheet needs a flexible material. (a) False (b) True
  23. 23.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  24. 24.🔍 Which is the odd one out? (a) rubber (b) copper (c) plastic (d) dry wood
  25. 25.🔍 Which is the odd one out? (a) brass (b) steel (c) glass (d) iron
  26. 26.True or false: a boat hull needs a transparent material. (a) True (b) False
  27. 27.True or false: a hair band needs a waterproof material. (a) False (b) True
  28. 28.Which of these needs a waterproof material? (a) a boat hull (b) a cooking pot handle (c) a plug pin (d) a spectacle lens
  29. 29.True or false: a water tank needs a flexible material. (a) True (b) False
  30. 30.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.Which of these needs an electrical conductor? (a) a roof sheet (b) a magnifier lens (c) a hair band (d) the core of a wire
  32. 32.True or false: a car windscreen needs a transparent material. (a) True (b) False
  33. 33.🧱 Which property matters most for a car seat belt? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  34. 34.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) glass (d) wood
  35. 35.Which of these needs a transparent material? (a) a window pane (b) a raincoat (c) a yoga mat (d) a car seat belt
  36. 36.Which of these needs a heat insulator? (a) a spectacle lens (b) a cooking pot handle (c) a plug pin (d) a roof sheet
  37. 37.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  38. 38.True or false: a spectacle lens needs an electrical conductor. (a) False (b) True
  39. 39.🧱 Which property matters most for a yoga mat? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  40. 40.Which of these needs an electrical conductor? (a) a hair band (b) a switch contact (c) a magnifier lens (d) a water tank

Answer key

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

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