← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 501 · 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) brass (b) clay pottery (c) steel (d) graphite
  2. 2.🔍 Which is the odd one out? (a) steel (b) dry wood (c) aluminium (d) iron
  3. 3.Which of these needs an electrical conductor? (a) a tea flask lining (b) a water tank (c) a hair band (d) the core of a wire
  4. 4.True or false: the core of a wire needs a flexible material. (a) False (b) True
  5. 5.True or false: a tea flask lining needs a waterproof material. (a) True (b) False
  6. 6.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.True or false: a car windscreen needs a flexible material. (a) False (b) True
  9. 9.🧱 Which property matters most for a hair band? (a) heat insulator (b) electrical conductor (c) flexible (d) transparent
  10. 10.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) glass (d) plastic
  11. 11.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) copper (d) glass
  12. 12.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) copper (d) wood
  13. 13.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  14. 14.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  15. 15.Which of these needs a heat insulator? (a) a hair band (b) a boat hull (c) an oven glove (d) a switch contact
  16. 16.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  17. 17.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  18. 18.Which of these needs a waterproof material? (a) a spectacle lens (b) a switch contact (c) a roof sheet (d) a tea flask lining
  19. 19.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Which property matters most for a car seat belt? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  21. 21.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) electrical conductor (d) transparent
  22. 22.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) rubber (d) dry wood
  23. 23.True or false: an oven glove needs a heat insulator. (a) True (b) False
  24. 24.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  25. 25.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  26. 26.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  27. 27.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) glass (d) graphite
  28. 28.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) cotton wool (d) plastic-coated cloth
  29. 29.🔍 Which is the odd one out? (a) steel (b) brass (c) copper (d) glass
  30. 30.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  31. 31.🧱 Which property matters most for the core of a wire? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  32. 32.Which of these needs a transparent material? (a) a cooking pot handle (b) a hair band (c) a window pane (d) the core of a wire
  33. 33.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  34. 34.True or false: a skipping rope needs a transparent material. (a) True (b) False
  35. 35.🧱 Which property matters most for a roof sheet? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  36. 36.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) aluminium (d) steel
  37. 37.True or false: a window pane needs an electrical conductor. (a) False (b) True
  38. 38.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  39. 39.🔍 Which is the odd one out? (a) iron (b) aluminium (c) steel (d) rubber
  40. 40.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False

Answer key

  1. clay pottery
  2. dry wood
  3. the core of a wire
  4. False
  5. False
  6. an insulator
  7. a conductor
  8. False
  9. flexible
  10. iron
  11. copper
  12. copper
  13. False
  14. a conductor
  15. an oven glove
  16. True
  17. heat insulator
  18. a roof sheet
  19. an insulator
  20. flexible
  21. waterproof
  22. aluminium
  23. True
  24. transparent
  25. waterproof
  26. flexible
  27. graphite
  28. plastic-coated cloth
  29. glass
  30. heat insulator
  31. electrical conductor
  32. a window pane
  33. wood or plastic
  34. False
  35. waterproof
  36. cotton cloth
  37. False
  38. flexible
  39. rubber
  40. False

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