← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 387 · 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 of these needs an electrical conductor? (a) a plug pin (b) a skipping rope (c) a window pane (d) a spectacle lens
  2. 2.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  3. 3.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  4. 4.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  8. 8.🧱 Which property matters most for a car windscreen? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  9. 9.🧱 Which property matters most for an oven glove? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  10. 10.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  11. 11.🔍 Which is the odd one out? (a) graphite (b) glass (c) cotton cloth (d) rubber
  12. 12.True or false: a water tank needs a waterproof material. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) brass (b) graphite (c) clay pottery (d) copper
  14. 14.True or false: a skipping rope needs a flexible material. (a) False (b) True
  15. 15.🧱 Which property matters most for a raincoat? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  16. 16.Which of these needs an electrical conductor? (a) a window pane (b) a roof sheet (c) a switch contact (d) a hair band
  17. 17.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  18. 18.🧱 Which material is best for the core of an electric wire? (a) copper (b) wood (c) rubber (d) glass
  19. 19.Which of these needs a transparent material? (a) a switch contact (b) a boat hull (c) a roof sheet (d) a car windscreen
  20. 20.Which of these needs a flexible material? (a) a switch contact (b) the core of a wire (c) a yoga mat (d) a water tank
  21. 21.Which of these needs a flexible material? (a) a spectacle lens (b) a skipping rope (c) an oven glove (d) a roof sheet
  22. 22.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  23. 23.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Which property matters most for a window pane? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  25. 25.Which of these needs a heat insulator? (a) an umbrella cover (b) a hair band (c) a magnifier lens (d) a tea flask lining
  26. 26.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) graphite (b) brass (c) rubber (d) copper
  29. 29.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) flexible (c) transparent (d) heat insulator
  30. 30.True or false: a spectacle lens needs an electrical conductor. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) cotton cloth (b) copper (c) iron (d) brass
  32. 32.True or false: a car windscreen needs a transparent material. (a) False (b) True
  33. 33.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  34. 34.🔍 Which is the odd one out? (a) glass (b) brass (c) dry wood (d) rubber
  35. 35.🔍 Which is the odd one out? (a) copper (b) graphite (c) dry wood (d) brass
  36. 36.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  37. 37.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  38. 38.True or false: a car seat belt needs an electrical conductor. (a) False (b) True
  39. 39.True or false: the core of a wire needs a transparent material. (a) True (b) False
  40. 40.Which of these needs a waterproof material? (a) a plug pin (b) a hair band (c) a raincoat (d) a car seat belt

Answer key

  1. a plug pin
  2. plastic-coated cloth
  3. heat insulator
  4. an insulator
  5. a conductor
  6. an insulator
  7. flexible
  8. transparent
  9. heat insulator
  10. transparent
  11. graphite
  12. True
  13. clay pottery
  14. True
  15. waterproof
  16. a switch contact
  17. heat insulator
  18. copper
  19. a car windscreen
  20. a yoga mat
  21. a skipping rope
  22. True
  23. an insulator
  24. transparent
  25. a tea flask lining
  26. an insulator
  27. False
  28. rubber
  29. flexible
  30. False
  31. cotton cloth
  32. True
  33. waterproof
  34. brass
  35. dry wood
  36. electrical conductor
  37. wood or plastic
  38. False
  39. False
  40. a raincoat

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