← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 471 · 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 transparent material? (a) a hair band (b) an umbrella cover (c) a water tank (d) a spectacle lens
  2. 2.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) dry wood (d) iron
  3. 3.Which of these needs a waterproof material? (a) a skipping rope (b) a window pane (c) a raincoat (d) a car seat belt
  4. 4.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  5. 5.🧱 Which property matters most for a spectacle lens? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  6. 6.Which of these needs a flexible material? (a) a roof sheet (b) a cooking pot handle (c) a skipping rope (d) a tea flask lining
  7. 7.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  9. 9.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  10. 10.True or false: a plug pin needs a flexible material. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) steel (b) plastic (c) brass (d) iron
  12. 12.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) heat insulator (d) electrical conductor
  13. 13.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  14. 14.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.Which of these needs an electrical conductor? (a) a tea flask lining (b) a car seat belt (c) a hair band (d) a switch contact
  16. 16.🧱 Which property matters most for a raincoat? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  17. 17.🔍 Which is the odd one out? (a) brass (b) copper (c) steel (d) dry wood
  18. 18.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.True or false: a raincoat needs a heat insulator. (a) False (b) True
  20. 20.🧱 Which material is best for a window pane? (a) steel (b) glass (c) brick (d) wood
  21. 21.True or false: a water tank needs an electrical conductor. (a) True (b) False
  22. 22.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.True or false: a hair band needs a flexible material. (a) True (b) False
  26. 26.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.True or false: a spectacle lens needs a flexible material. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) brass (d) steel
  29. 29.Which of these needs a transparent material? (a) a skipping rope (b) a water tank (c) an oven glove (d) a magnifier lens
  30. 30.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) brass (d) plastic
  31. 31.True or false: a boat hull needs a transparent material. (a) True (b) False
  32. 32.True or false: a window pane needs a transparent material. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) plastic (d) copper
  34. 34.🔍 Which is the odd one out? (a) rubber (b) steel (c) dry wood (d) clay pottery
  35. 35.🧱 Which property matters most for a magnifier lens? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  36. 36.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  37. 37.🧱 Which property matters most for a switch contact? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  38. 38.Which of these needs a heat insulator? (a) a switch contact (b) a raincoat (c) the core of a wire (d) a tea flask lining
  39. 39.True or false: a car seat belt needs an electrical conductor. (a) False (b) True
  40. 40.True or false: an umbrella cover needs a waterproof material. (a) False (b) True

Answer key

  1. a spectacle lens
  2. iron
  3. a raincoat
  4. heat insulator
  5. transparent
  6. a skipping rope
  7. a conductor
  8. True
  9. False
  10. False
  11. plastic
  12. flexible
  13. copper
  14. an insulator
  15. a switch contact
  16. waterproof
  17. dry wood
  18. an insulator
  19. False
  20. glass
  21. False
  22. a conductor
  23. a conductor
  24. a conductor
  25. True
  26. a conductor
  27. False
  28. clay pottery
  29. a magnifier lens
  30. brass
  31. False
  32. True
  33. copper
  34. steel
  35. transparent
  36. True
  37. electrical conductor
  38. a tea flask lining
  39. False
  40. True

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