← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 62 · 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 water tank? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  2. 2.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.True or false: a window pane needs a transparent material. (a) True (b) False
  4. 4.🧱 Which material is best for a window pane? (a) brick (b) steel (c) wood (d) glass
  5. 5.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  6. 6.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  7. 7.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  8. 8.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) wood (d) glass
  9. 9.Which of these needs a waterproof material? (a) a magnifier lens (b) an umbrella cover (c) a hair band (d) a car seat belt
  10. 10.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  11. 11.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  12. 12.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  13. 13.🔍 Which is the odd one out? (a) steel (b) graphite (c) plastic (d) copper
  14. 14.Which of these needs an electrical conductor? (a) a yoga mat (b) a boat hull (c) an umbrella cover (d) the core of a wire
  15. 15.Which of these needs a transparent material? (a) a plug pin (b) a car seat belt (c) a spectacle lens (d) a boat hull
  16. 16.Which of these needs an electrical conductor? (a) a raincoat (b) a car windscreen (c) a hair band (d) a plug pin
  17. 17.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) copper (d) graphite
  18. 18.True or false: a tea flask lining needs an electrical conductor. (a) False (b) True
  19. 19.🧱 Which property matters most for an oven glove? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  20. 20.🧱 Which property matters most for an umbrella cover? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  21. 21.Which of these needs a heat insulator? (a) a car seat belt (b) a window pane (c) a cooking pot handle (d) a car windscreen
  22. 22.🧱 Which property matters most for a magnifier lens? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  23. 23.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.Which of these needs a flexible material? (a) a tea flask lining (b) a magnifier lens (c) a skipping rope (d) a water tank
  25. 25.Which of these needs a transparent material? (a) a cooking pot handle (b) a magnifier lens (c) the core of a wire (d) a switch contact
  26. 26.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) glass (d) clay pottery
  27. 27.🔍 Which is the odd one out? (a) clay pottery (b) cotton cloth (c) copper (d) rubber
  28. 28.🔍 Which is the odd one out? (a) dry wood (b) steel (c) rubber (d) glass
  29. 29.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) iron (d) dry wood
  30. 30.True or false: a boat hull needs an electrical conductor. (a) False (b) True
  31. 31.Which of these needs a flexible material? (a) a magnifier lens (b) an umbrella cover (c) a raincoat (d) a yoga mat
  32. 32.True or false: a boat hull needs a heat insulator. (a) True (b) False
  33. 33.🧱 Which property matters most for a roof sheet? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  34. 34.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) brass (d) graphite
  35. 35.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) plastic-coated cloth (d) paper
  36. 36.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  37. 37.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  39. 39.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  40. 40.Which of these needs a waterproof material? (a) a magnifier lens (b) a boat hull (c) a plug pin (d) a yoga mat

Answer key

  1. waterproof
  2. a conductor
  3. True
  4. glass
  5. False
  6. electrical conductor
  7. False
  8. copper
  9. an umbrella cover
  10. transparent
  11. flexible
  12. transparent
  13. plastic
  14. the core of a wire
  15. a spectacle lens
  16. a plug pin
  17. clay pottery
  18. False
  19. heat insulator
  20. waterproof
  21. a cooking pot handle
  22. transparent
  23. an insulator
  24. a skipping rope
  25. a magnifier lens
  26. aluminium
  27. copper
  28. steel
  29. iron
  30. False
  31. a yoga mat
  32. False
  33. waterproof
  34. cotton cloth
  35. plastic-coated cloth
  36. flexible
  37. a conductor
  38. heat insulator
  39. waterproof
  40. a boat hull

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