← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 988 · 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.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.Which of these needs a flexible material? (a) a car seat belt (b) a plug pin (c) a spectacle lens (d) an oven glove
  3. 3.Which of these needs a waterproof material? (a) a yoga mat (b) a tea flask lining (c) a water tank (d) a plug pin
  4. 4.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  5. 5.Which of these needs an electrical conductor? (a) a spectacle lens (b) a window pane (c) the core of a wire (d) a magnifier lens
  6. 6.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) wood or plastic (d) copper
  7. 7.Which of these needs a flexible material? (a) an umbrella cover (b) a magnifier lens (c) a skipping rope (d) a roof sheet
  8. 8.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) glass (d) plastic
  9. 9.Which of these needs a transparent material? (a) a cooking pot handle (b) a magnifier lens (c) a tea flask lining (d) a plug pin
  10. 10.🧱 Which property matters most for a skipping rope? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  11. 11.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🔍 Which is the odd one out? (a) iron (b) brass (c) clay pottery (d) steel
  13. 13.🔍 Which is the odd one out? (a) iron (b) brass (c) aluminium (d) dry wood
  14. 14.🧱 Which property matters most for a hair band? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  15. 15.🔍 Which is the odd one out? (a) brass (b) iron (c) steel (d) rubber
  16. 16.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.Which of these needs a heat insulator? (a) the core of a wire (b) a skipping rope (c) a tea flask lining (d) a spectacle lens
  18. 18.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  19. 19.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Which property matters most for a window pane? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  21. 21.Which of these needs a waterproof material? (a) a raincoat (b) a yoga mat (c) a car seat belt (d) a cooking pot handle
  22. 22.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) copper (d) rubber
  24. 24.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) steel (d) dry wood
  25. 25.🔍 Which is the odd one out? (a) plastic (b) copper (c) aluminium (d) brass
  26. 26.🧱 Which property matters most for a tea flask lining? (a) flexible (b) electrical conductor (c) transparent (d) heat insulator
  27. 27.🔍 Which is the odd one out? (a) iron (b) dry wood (c) clay pottery (d) glass
  28. 28.True or false: a magnifier lens needs a waterproof material. (a) False (b) True
  29. 29.🧱 Which property matters most for a water tank? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  30. 30.🧱 Which property matters most for a plug pin? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  31. 31.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) wood (d) copper
  32. 32.Which of these needs a heat insulator? (a) a yoga mat (b) a roof sheet (c) an oven glove (d) the core of a wire
  33. 33.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  36. 36.🧱 Which property matters most for a car windscreen? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  37. 37.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  38. 38.True or false: a hair band needs a transparent material. (a) False (b) True
  39. 39.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

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

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