← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 509 · 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) glass (b) clay pottery (c) copper (d) cotton cloth
  2. 2.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  3. 3.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) cotton cloth (d) graphite
  4. 4.Which of these needs a heat insulator? (a) a spectacle lens (b) a hair band (c) an oven glove (d) a switch contact
  5. 5.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which property matters most for a switch contact? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  7. 7.🧱 Which property matters most for a plug pin? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  8. 8.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  9. 9.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) aluminium (d) steel
  10. 10.Which of these needs a flexible material? (a) a car seat belt (b) a spectacle lens (c) a raincoat (d) the core of a wire
  11. 11.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.True or false: a hair band needs a transparent material. (a) False (b) True
  13. 13.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  14. 14.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  15. 15.🧱 Which property matters most for a tea flask lining? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  16. 16.🧱 Which property matters most for the core of a wire? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  17. 17.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) copper (d) aluminium
  18. 18.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  19. 19.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  20. 20.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) flexible (c) waterproof (d) transparent
  21. 21.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  22. 22.Which of these needs an electrical conductor? (a) a plug pin (b) an umbrella cover (c) a boat hull (d) a tea flask lining
  23. 23.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  24. 24.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  25. 25.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.True or false: a car windscreen needs a transparent material. (a) False (b) True
  27. 27.True or false: a water tank needs a waterproof material. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) aluminium (b) copper (c) rubber (d) brass
  29. 29.True or false: a boat hull needs a waterproof material. (a) False (b) True
  30. 30.Which of these needs a waterproof material? (a) a window pane (b) a cooking pot handle (c) a raincoat (d) a magnifier lens
  31. 31.True or false: an umbrella cover needs a transparent material. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) steel (b) plastic (c) dry wood (d) rubber
  33. 33.True or false: a water tank needs a transparent material. (a) False (b) True
  34. 34.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.Which of these needs a transparent material? (a) a spectacle lens (b) a raincoat (c) a skipping rope (d) a switch contact
  36. 36.Which of these needs an electrical conductor? (a) a raincoat (b) a tea flask lining (c) a water tank (d) a switch contact
  37. 37.Which of these needs a transparent material? (a) a skipping rope (b) a hair band (c) a cooking pot handle (d) a magnifier lens
  38. 38.Which of these needs a heat insulator? (a) a magnifier lens (b) the core of a wire (c) an umbrella cover (d) a tea flask lining
  39. 39.True or false: a plug pin needs a waterproof material. (a) False (b) True
  40. 40.Which of these needs an electrical conductor? (a) a car seat belt (b) the core of a wire (c) a magnifier lens (d) a spectacle lens

Answer key

  1. copper
  2. plastic-coated cloth
  3. graphite
  4. an oven glove
  5. an insulator
  6. electrical conductor
  7. electrical conductor
  8. glass
  9. clay pottery
  10. a car seat belt
  11. a conductor
  12. False
  13. copper
  14. flexible
  15. heat insulator
  16. electrical conductor
  17. wood or plastic
  18. heat insulator
  19. waterproof
  20. waterproof
  21. True
  22. a plug pin
  23. flexible
  24. True
  25. an insulator
  26. True
  27. True
  28. rubber
  29. True
  30. a raincoat
  31. False
  32. steel
  33. False
  34. an insulator
  35. a spectacle lens
  36. a switch contact
  37. a magnifier lens
  38. a tea flask lining
  39. False
  40. the core of a wire

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