← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 530 · 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 property matters most for a roof sheet? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  2. 2.🔍 Which is the odd one out? (a) clay pottery (b) graphite (c) iron (d) copper
  3. 3.🔍 Which is the odd one out? (a) rubber (b) brass (c) iron (d) copper
  4. 4.True or false: an oven glove needs a waterproof material. (a) False (b) True
  5. 5.🧱 Which property matters most for a plug pin? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  6. 6.True or false: a water tank needs a heat insulator. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) plastic (b) rubber (c) dry wood (d) graphite
  8. 8.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which property matters most for a boat hull? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  10. 10.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.🧱 Which property matters most for a window pane? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  12. 12.🔍 Which is the odd one out? (a) iron (b) copper (c) dry wood (d) steel
  13. 13.True or false: a hair band needs a flexible material. (a) False (b) True
  14. 14.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.True or false: a skipping rope needs a flexible material. (a) True (b) False
  16. 16.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  17. 17.🧱 Which property matters most for a hair band? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  18. 18.Which of these needs a heat insulator? (a) a boat hull (b) a window pane (c) a water tank (d) a cooking pot handle
  19. 19.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  20. 20.True or false: a tea flask lining needs a waterproof material. (a) False (b) True
  21. 21.Which of these needs an electrical conductor? (a) a switch contact (b) an umbrella cover (c) a hair band (d) a spectacle lens
  22. 22.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  23. 23.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  24. 24.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  25. 25.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  27. 27.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  28. 28.True or false: a car seat belt needs a flexible material. (a) True (b) False
  29. 29.🧱 Which property matters most for a spectacle lens? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  30. 30.Which of these needs a waterproof material? (a) a car seat belt (b) the core of a wire (c) a magnifier lens (d) a boat hull
  31. 31.True or false: a yoga mat needs a transparent material. (a) False (b) True
  32. 32.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  33. 33.True or false: a boat hull needs a waterproof material. (a) False (b) True
  34. 34.Which of these needs a waterproof material? (a) a roof sheet (b) a window pane (c) a cooking pot handle (d) an oven glove
  35. 35.True or false: a window pane needs a waterproof material. (a) True (b) False
  36. 36.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.Which of these needs a waterproof material? (a) a yoga mat (b) a switch contact (c) a water tank (d) a hair band
  38. 38.🧱 Which property matters most for a switch contact? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  39. 39.True or false: an umbrella cover needs a flexible material. (a) False (b) True
  40. 40.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) wood (d) glass

Answer key

  1. waterproof
  2. clay pottery
  3. rubber
  4. False
  5. electrical conductor
  6. False
  7. graphite
  8. a conductor
  9. waterproof
  10. an insulator
  11. transparent
  12. dry wood
  13. True
  14. a conductor
  15. True
  16. heat insulator
  17. flexible
  18. a cooking pot handle
  19. False
  20. False
  21. a switch contact
  22. False
  23. plastic-coated cloth
  24. True
  25. a conductor
  26. transparent
  27. steel
  28. True
  29. transparent
  30. a boat hull
  31. False
  32. wood or plastic
  33. True
  34. a roof sheet
  35. False
  36. a conductor
  37. a water tank
  38. electrical conductor
  39. False
  40. copper

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