← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 564 · 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 material is best for the core of an electric wire? (a) rubber (b) copper (c) glass (d) wood
  2. 2.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) glass (d) plastic
  3. 3.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  4. 4.🧱 Which property matters most for a yoga mat? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  5. 5.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  6. 6.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cotton wool (d) cardboard
  7. 7.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) dry wood (d) aluminium
  8. 8.True or false: a car seat belt needs a flexible material. (a) False (b) True
  9. 9.Which of these needs a transparent material? (a) a water tank (b) a spectacle lens (c) a switch contact (d) a roof sheet
  10. 10.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) plastic (d) steel
  11. 11.🧱 Which property matters most for an oven glove? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  12. 12.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🔍 Which is the odd one out? (a) glass (b) steel (c) graphite (d) copper
  14. 14.Which of these needs a transparent material? (a) a tea flask lining (b) a water tank (c) a magnifier lens (d) a boat hull
  15. 15.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which property matters most for the core of a wire? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  17. 17.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  18. 18.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) iron (d) steel
  19. 19.Which of these needs an electrical conductor? (a) a yoga mat (b) an oven glove (c) a switch contact (d) a water tank
  20. 20.Which of these needs an electrical conductor? (a) a tea flask lining (b) a hair band (c) a boat hull (d) the core of a wire
  21. 21.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) aluminium (d) copper
  23. 23.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  25. 25.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.Which of these needs a waterproof material? (a) a spectacle lens (b) a roof sheet (c) a hair band (d) a skipping rope
  27. 27.Which of these needs a heat insulator? (a) a car seat belt (b) a magnifier lens (c) an oven glove (d) a water tank
  28. 28.🧱 Which property matters most for a spectacle lens? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  29. 29.Which of these needs a flexible material? (a) an umbrella cover (b) a water tank (c) a plug pin (d) a car seat belt
  30. 30.Which of these needs a heat insulator? (a) a raincoat (b) a car seat belt (c) a yoga mat (d) a tea flask lining
  31. 31.🧱 Which property matters most for a water tank? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  32. 32.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.Which of these needs a flexible material? (a) a tea flask lining (b) a skipping rope (c) a car windscreen (d) an umbrella cover
  34. 34.🔍 Which is the odd one out? (a) copper (b) dry wood (c) steel (d) graphite
  35. 35.Which of these needs a waterproof material? (a) a spectacle lens (b) a raincoat (c) a tea flask lining (d) a magnifier lens
  36. 36.Which of these needs a waterproof material? (a) a switch contact (b) a skipping rope (c) a car seat belt (d) a water tank
  37. 37.True or false: a yoga mat needs a flexible material. (a) False (b) True
  38. 38.True or false: a yoga mat needs an electrical conductor. (a) False (b) True
  39. 39.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🧱 Which property matters most for a switch contact? (a) waterproof (b) transparent (c) electrical conductor (d) flexible

Answer key

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

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