← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 713 · 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 a window pane? (a) brick (b) glass (c) wood (d) steel
  2. 2.Which of these needs a waterproof material? (a) a water tank (b) a spectacle lens (c) a magnifier lens (d) the core of a wire
  3. 3.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🔍 Which is the odd one out? (a) rubber (b) plastic (c) cotton cloth (d) iron
  6. 6.True or false: the core of a wire needs a heat insulator. (a) False (b) True
  7. 7.🧱 Which property matters most for an oven glove? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  8. 8.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  9. 9.Which of these needs a transparent material? (a) a boat hull (b) a car windscreen (c) a cooking pot handle (d) a yoga mat
  10. 10.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  11. 11.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) graphite (d) copper
  12. 12.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.Which of these needs a flexible material? (a) an umbrella cover (b) a skipping rope (c) a cooking pot handle (d) a plug pin
  14. 14.🧱 Which property matters most for the core of a wire? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  15. 15.Which of these needs a flexible material? (a) a magnifier lens (b) the core of a wire (c) a car seat belt (d) a spectacle lens
  16. 16.🔍 Which is the odd one out? (a) graphite (b) iron (c) steel (d) rubber
  17. 17.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  18. 18.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  19. 19.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  21. 21.True or false: a magnifier lens needs a flexible material. (a) False (b) True
  22. 22.True or false: a boat hull needs a waterproof material. (a) True (b) False
  23. 23.🧱 Which property matters most for a raincoat? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  24. 24.Which of these needs a heat insulator? (a) a magnifier lens (b) a skipping rope (c) an oven glove (d) a car windscreen
  25. 25.🧱 Which material is best for a raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  26. 26.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  29. 29.🔍 Which is the odd one out? (a) rubber (b) glass (c) graphite (d) dry wood
  30. 30.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.Which of these needs a waterproof material? (a) a yoga mat (b) a skipping rope (c) a spectacle lens (d) an umbrella cover
  32. 32.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  34. 34.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  35. 35.True or false: an oven glove needs a waterproof material. (a) True (b) False
  36. 36.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber
  37. 37.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  39. 39.🧱 Which property matters most for a boat hull? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  40. 40.🔍 Which is the odd one out? (a) copper (b) plastic (c) dry wood (d) rubber

Answer key

  1. glass
  2. a water tank
  3. a conductor
  4. a conductor
  5. iron
  6. False
  7. heat insulator
  8. waterproof
  9. a car windscreen
  10. copper
  11. cotton cloth
  12. an insulator
  13. a skipping rope
  14. electrical conductor
  15. a car seat belt
  16. rubber
  17. transparent
  18. electrical conductor
  19. an insulator
  20. flexible
  21. False
  22. True
  23. waterproof
  24. an oven glove
  25. plastic-coated cloth
  26. an insulator
  27. a conductor
  28. wood or plastic
  29. graphite
  30. a conductor
  31. an umbrella cover
  32. an insulator
  33. True
  34. waterproof
  35. False
  36. steel
  37. an insulator
  38. transparent
  39. waterproof
  40. copper

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