← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 429 · 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 the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  2. 2.True or false: a window pane needs a transparent material. (a) True (b) False
  3. 3.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  5. 5.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) rubber (d) cotton cloth
  6. 6.Which of these needs a heat insulator? (a) a water tank (b) a yoga mat (c) a tea flask lining (d) a switch contact
  7. 7.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.Which of these needs a transparent material? (a) a roof sheet (b) a car windscreen (c) a plug pin (d) an oven glove
  9. 9.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  10. 10.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  12. 12.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  13. 13.🧱 Which material is best for a window pane? (a) wood (b) steel (c) brick (d) glass
  14. 14.Which of these needs a heat insulator? (a) a skipping rope (b) a window pane (c) a yoga mat (d) a cooking pot handle
  15. 15.Which of these needs a transparent material? (a) a window pane (b) a water tank (c) a raincoat (d) a plug pin
  16. 16.🧱 Which property matters most for a skipping rope? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  17. 17.True or false: a yoga mat needs a flexible material. (a) False (b) True
  18. 18.True or false: a hair band needs a waterproof material. (a) False (b) True
  19. 19.True or false: a car windscreen needs an electrical conductor. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) graphite (b) iron (c) copper (d) glass
  21. 21.Which of these needs a waterproof material? (a) a tea flask lining (b) a cooking pot handle (c) an umbrella cover (d) a plug pin
  22. 22.Which of these needs a waterproof material? (a) a raincoat (b) a car windscreen (c) a window pane (d) a hair band
  23. 23.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) transparent (c) flexible (d) heat insulator
  24. 24.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  26. 26.🧱 Which property matters most for a water tank? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  27. 27.🔍 Which is the odd one out? (a) cotton cloth (b) graphite (c) copper (d) brass
  28. 28.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  31. 31.True or false: a car seat belt needs a flexible material. (a) False (b) True
  32. 32.Which of these needs an electrical conductor? (a) a magnifier lens (b) a car windscreen (c) a tea flask lining (d) a switch contact
  33. 33.🔍 Which is the odd one out? (a) steel (b) rubber (c) copper (d) brass
  34. 34.True or false: the core of a wire needs a waterproof material. (a) False (b) True
  35. 35.True or false: a water tank needs a waterproof material. (a) True (b) False
  36. 36.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  37. 37.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) rubber (d) clay pottery
  38. 38.🧱 Which property matters most for a magnifier lens? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  39. 39.🧱 Which property matters most for a plug pin? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  40. 40.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel

Answer key

  1. copper
  2. True
  3. an insulator
  4. wood or plastic
  5. aluminium
  6. a tea flask lining
  7. an insulator
  8. a car windscreen
  9. a conductor
  10. an insulator
  11. transparent
  12. False
  13. glass
  14. a cooking pot handle
  15. a window pane
  16. flexible
  17. True
  18. False
  19. False
  20. glass
  21. an umbrella cover
  22. a raincoat
  23. flexible
  24. a conductor
  25. waterproof
  26. waterproof
  27. cotton cloth
  28. a conductor
  29. a conductor
  30. True
  31. True
  32. a switch contact
  33. rubber
  34. False
  35. True
  36. plastic-coated cloth
  37. graphite
  38. transparent
  39. electrical conductor
  40. steel

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