← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 922 · 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 waterproof material? (a) an oven glove (b) a car seat belt (c) a car windscreen (d) a roof sheet
  2. 2.🔍 Which is the odd one out? (a) clay pottery (b) steel (c) cotton cloth (d) dry wood
  3. 3.🧱 Which property matters most for a car windscreen? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  4. 4.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.Which of these needs a flexible material? (a) a switch contact (b) a car seat belt (c) a plug pin (d) a window pane
  6. 6.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) cardboard (d) paper
  8. 8.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) brass (d) rubber
  10. 10.🧱 Which property matters most for a water tank? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  11. 11.True or false: a car seat belt needs a flexible material. (a) True (b) False
  12. 12.🧱 Is steel 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 material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  15. 15.Which of these needs a heat insulator? (a) a switch contact (b) an oven glove (c) a car windscreen (d) an umbrella cover
  16. 16.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.True or false: a water tank needs a waterproof material. (a) False (b) True
  18. 18.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  19. 19.🔍 Which is the odd one out? (a) cotton cloth (b) graphite (c) clay pottery (d) glass
  20. 20.True or false: a boat hull needs a flexible material. (a) True (b) False
  21. 21.🧱 Which property matters most for a switch contact? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  22. 22.Which of these needs a waterproof material? (a) an umbrella cover (b) a hair band (c) a cooking pot handle (d) a plug pin
  23. 23.🔍 Which is the odd one out? (a) iron (b) steel (c) glass (d) graphite
  24. 24.Which of these needs a transparent material? (a) a switch contact (b) a plug pin (c) a spectacle lens (d) a boat hull
  25. 25.True or false: a boat hull needs a waterproof material. (a) False (b) True
  26. 26.True or false: a raincoat needs a waterproof material. (a) True (b) False
  27. 27.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  28. 28.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.🔍 Which is the odd one out? (a) iron (b) aluminium (c) copper (d) clay pottery
  30. 30.Which of these needs a transparent material? (a) a car windscreen (b) a roof sheet (c) an oven glove (d) a cooking pot handle
  31. 31.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  32. 32.🧱 Which property matters most for a hair band? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  33. 33.Which of these needs a heat insulator? (a) a tea flask lining (b) a hair band (c) an umbrella cover (d) a skipping rope
  34. 34.🧱 Which property matters most for an umbrella cover? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  35. 35.🔍 Which is the odd one out? (a) graphite (b) steel (c) cotton cloth (d) copper
  36. 36.🔍 Which is the odd one out? (a) rubber (b) copper (c) glass (d) cotton cloth
  37. 37.True or false: a window pane needs a transparent material. (a) True (b) False
  38. 38.True or false: a window pane needs a heat insulator. (a) True (b) False
  39. 39.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  40. 40.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. a roof sheet
  2. steel
  3. transparent
  4. a conductor
  5. a car seat belt
  6. a conductor
  7. plastic-coated cloth
  8. an insulator
  9. brass
  10. waterproof
  11. True
  12. a conductor
  13. True
  14. copper
  15. an oven glove
  16. a conductor
  17. True
  18. True
  19. graphite
  20. False
  21. electrical conductor
  22. an umbrella cover
  23. glass
  24. a spectacle lens
  25. True
  26. True
  27. electrical conductor
  28. an insulator
  29. clay pottery
  30. a car windscreen
  31. waterproof
  32. flexible
  33. a tea flask lining
  34. waterproof
  35. cotton cloth
  36. copper
  37. True
  38. False
  39. heat insulator
  40. a conductor

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