← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 474 · 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 a waterproof material? (a) a water tank (b) an oven glove (c) a tea flask lining (d) a yoga mat
  2. 2.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.True or false: a car windscreen needs a waterproof material. (a) False (b) True
  4. 4.Which of these needs a heat insulator? (a) a switch contact (b) an umbrella cover (c) a spectacle lens (d) a tea flask lining
  5. 5.🧱 Which property matters most for a window pane? (a) flexible (b) waterproof (c) electrical conductor (d) transparent
  6. 6.Which of these needs a flexible material? (a) a window pane (b) the core of a wire (c) a raincoat (d) a skipping rope
  7. 7.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
  8. 8.Which of these needs a heat insulator? (a) a cooking pot handle (b) a plug pin (c) a skipping rope (d) a car windscreen
  9. 9.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  10. 10.🧱 Which property matters most for a plug pin? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  11. 11.🧱 Which property matters most for a magnifier lens? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  12. 12.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) glass (d) brass
  13. 13.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) paper (d) cotton wool
  14. 14.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🔍 Which is the odd one out? (a) iron (b) plastic (c) glass (d) clay pottery
  16. 16.Which of these needs an electrical conductor? (a) a magnifier lens (b) a plug pin (c) a hair band (d) a skipping rope
  17. 17.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) rubber (d) copper
  18. 18.Which of these needs a waterproof material? (a) a yoga mat (b) a cooking pot handle (c) a raincoat (d) a switch contact
  19. 19.🧱 Which material is best for a window pane? (a) wood (b) glass (c) brick (d) steel
  20. 20.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.Which of these needs a transparent material? (a) a car seat belt (b) a hair band (c) a magnifier lens (d) a skipping rope
  23. 23.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  24. 24.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) rubber (d) steel
  25. 25.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  26. 26.🧱 Which property matters most for a spectacle lens? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  27. 27.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  29. 29.True or false: a car windscreen needs a transparent material. (a) False (b) True
  30. 30.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  31. 31.Which of these needs a waterproof material? (a) a hair band (b) a boat hull (c) a magnifier lens (d) a yoga mat
  32. 32.True or false: a raincoat needs a waterproof material. (a) True (b) False
  33. 33.True or false: a plug pin needs a waterproof material. (a) True (b) False
  34. 34.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) brass (b) iron (c) graphite (d) dry wood
  36. 36.🧱 Which property matters most for a car windscreen? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  37. 37.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) iron (d) cotton cloth
  38. 38.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.🧱 Which property matters most for an umbrella cover? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  40. 40.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) graphite (d) glass

Answer key

  1. a water tank
  2. a conductor
  3. False
  4. a tea flask lining
  5. transparent
  6. a skipping rope
  7. copper
  8. a cooking pot handle
  9. False
  10. electrical conductor
  11. transparent
  12. brass
  13. plastic-coated cloth
  14. a conductor
  15. iron
  16. a plug pin
  17. copper
  18. a raincoat
  19. glass
  20. a conductor
  21. a conductor
  22. a magnifier lens
  23. heat insulator
  24. steel
  25. electrical conductor
  26. transparent
  27. a conductor
  28. flexible
  29. True
  30. False
  31. a boat hull
  32. True
  33. False
  34. True
  35. dry wood
  36. transparent
  37. cotton cloth
  38. a conductor
  39. waterproof
  40. graphite

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