← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 678 · 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 flexible material? (a) a raincoat (b) a window pane (c) an oven glove (d) a hair band
  2. 2.Which of these needs a heat insulator? (a) the core of a wire (b) a car seat belt (c) a plug pin (d) a tea flask lining
  3. 3.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.🧱 Which property matters most for a raincoat? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  5. 5.Which of these needs a waterproof material? (a) a plug pin (b) a tea flask lining (c) a raincoat (d) the core of a wire
  6. 6.🔍 Which is the odd one out? (a) aluminium (b) copper (c) dry wood (d) brass
  7. 7.Which of these needs a heat insulator? (a) a spectacle lens (b) a plug pin (c) a cooking pot handle (d) a yoga mat
  8. 8.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.Which of these needs a waterproof material? (a) a window pane (b) a water tank (c) a switch contact (d) a plug pin
  10. 10.🧱 Which property matters most for a water tank? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  11. 11.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  14. 14.Which of these needs a heat insulator? (a) a skipping rope (b) an oven glove (c) a car windscreen (d) a switch contact
  15. 15.🔍 Which is the odd one out? (a) iron (b) plastic (c) brass (d) steel
  16. 16.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) glass (d) plastic
  17. 17.🔍 Which is the odd one out? (a) rubber (b) iron (c) graphite (d) steel
  18. 18.🧱 Which property matters most for a roof sheet? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  19. 19.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  20. 20.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  21. 21.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) wood or plastic (d) copper
  22. 22.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.True or false: a water tank needs a waterproof material. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) rubber (d) cotton cloth
  26. 26.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) cotton wool (d) plastic-coated cloth
  27. 27.Which of these needs a transparent material? (a) a cooking pot handle (b) a yoga mat (c) a window pane (d) an oven glove
  28. 28.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) flexible (d) heat insulator
  29. 29.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  30. 30.🧱 Which property matters most for the core of a wire? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  31. 31.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  32. 32.True or false: a boat hull needs a heat insulator. (a) True (b) False
  33. 33.True or false: a water tank needs a heat insulator. (a) True (b) False
  34. 34.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) glass (d) copper
  36. 36.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  37. 37.Which of these needs a waterproof material? (a) an oven glove (b) a roof sheet (c) a car windscreen (d) a spectacle lens
  38. 38.True or false: a raincoat needs a waterproof material. (a) True (b) False
  39. 39.Which of these needs an electrical conductor? (a) a switch contact (b) a car seat belt (c) a spectacle lens (d) a car windscreen
  40. 40.🧱 Which property matters most for an oven glove? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor

Answer key

  1. a hair band
  2. a tea flask lining
  3. a conductor
  4. waterproof
  5. a raincoat
  6. dry wood
  7. a cooking pot handle
  8. a conductor
  9. a water tank
  10. waterproof
  11. a conductor
  12. an insulator
  13. True
  14. an oven glove
  15. plastic
  16. steel
  17. rubber
  18. waterproof
  19. True
  20. glass
  21. wood or plastic
  22. an insulator
  23. an insulator
  24. True
  25. brass
  26. plastic-coated cloth
  27. a window pane
  28. flexible
  29. heat insulator
  30. electrical conductor
  31. True
  32. False
  33. False
  34. a conductor
  35. copper
  36. True
  37. a roof sheet
  38. True
  39. a switch contact
  40. heat insulator

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