← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 1 · 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 an umbrella cover? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  2. 2.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  3. 3.Which of these needs an electrical conductor? (a) a tea flask lining (b) a hair band (c) an umbrella cover (d) the core of a wire
  4. 4.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) glass (d) wood
  5. 5.Which of these needs a waterproof material? (a) an oven glove (b) a switch contact (c) a boat hull (d) a hair band
  6. 6.Which of these needs a transparent material? (a) a skipping rope (b) the core of a wire (c) a magnifier lens (d) a water tank
  7. 7.Which of these needs a flexible material? (a) a hair band (b) a spectacle lens (c) an oven glove (d) a window pane
  8. 8.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) dry wood (d) brass
  12. 12.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) cotton cloth (d) rubber
  13. 13.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  14. 14.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  15. 15.🧱 Which property matters most for a window pane? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  16. 16.🔍 Which is the odd one out? (a) brass (b) plastic (c) copper (d) graphite
  17. 17.Which of these needs a waterproof material? (a) a window pane (b) the core of a wire (c) a yoga mat (d) an umbrella cover
  18. 18.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  19. 19.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) plastic (d) rubber
  21. 21.Which of these needs an electrical conductor? (a) a window pane (b) a skipping rope (c) a yoga mat (d) a plug pin
  22. 22.Which of these needs a transparent material? (a) an umbrella cover (b) a tea flask lining (c) a car windscreen (d) a boat hull
  23. 23.Which of these needs a heat insulator? (a) a car windscreen (b) a spectacle lens (c) a boat hull (d) a cooking pot handle
  24. 24.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) cotton wool (d) paper
  26. 26.Which of these needs a heat insulator? (a) a skipping rope (b) the core of a wire (c) a car seat belt (d) a tea flask lining
  27. 27.🔍 Which is the odd one out? (a) aluminium (b) brass (c) dry wood (d) iron
  28. 28.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  29. 29.Which of these needs a transparent material? (a) a raincoat (b) a hair band (c) a boat hull (d) a spectacle lens
  30. 30.🧱 Which property matters most for a car seat belt? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  31. 31.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) dry wood (b) cotton cloth (c) rubber (d) copper
  33. 33.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.True or false: a switch contact needs a heat insulator. (a) False (b) True
  35. 35.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  36. 36.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.🧱 Which property matters most for a car windscreen? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  38. 38.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  39. 39.Which of these needs a flexible material? (a) a plug pin (b) the core of a wire (c) a skipping rope (d) an umbrella cover
  40. 40.Which of these needs a waterproof material? (a) a switch contact (b) a water tank (c) a plug pin (d) a cooking pot handle

Answer key

  1. waterproof
  2. heat insulator
  3. the core of a wire
  4. copper
  5. a boat hull
  6. a magnifier lens
  7. a hair band
  8. a conductor
  9. an insulator
  10. an insulator
  11. brass
  12. aluminium
  13. transparent
  14. waterproof
  15. transparent
  16. plastic
  17. an umbrella cover
  18. heat insulator
  19. a conductor
  20. steel
  21. a plug pin
  22. a car windscreen
  23. a cooking pot handle
  24. a conductor
  25. plastic-coated cloth
  26. a tea flask lining
  27. dry wood
  28. True
  29. a spectacle lens
  30. flexible
  31. False
  32. copper
  33. an insulator
  34. False
  35. flexible
  36. a conductor
  37. transparent
  38. wood or plastic
  39. a skipping rope
  40. a water tank

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