← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 608 · 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.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  4. 4.Which of these needs a flexible material? (a) a car windscreen (b) a switch contact (c) a car seat belt (d) a spectacle lens
  5. 5.🧱 Which property matters most for a plug pin? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  6. 6.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  7. 7.True or false: a roof sheet needs a heat insulator. (a) False (b) True
  8. 8.Which of these needs a heat insulator? (a) a magnifier lens (b) a skipping rope (c) a cooking pot handle (d) a spectacle lens
  9. 9.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  10. 10.Which of these needs a waterproof material? (a) a spectacle lens (b) a skipping rope (c) the core of a wire (d) a raincoat
  11. 11.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  12. 12.Which of these needs a transparent material? (a) a window pane (b) the core of a wire (c) a skipping rope (d) a cooking pot handle
  13. 13.True or false: an umbrella cover needs a heat insulator. (a) True (b) False
  14. 14.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  16. 16.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.True or false: a magnifier lens needs a flexible material. (a) True (b) False
  19. 19.🧱 Which property matters most for a switch contact? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  20. 20.True or false: a water tank needs a heat insulator. (a) False (b) True
  21. 21.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  23. 23.🧱 Which property matters most for a boat hull? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  24. 24.Which of these needs a heat insulator? (a) a car seat belt (b) a tea flask lining (c) a raincoat (d) a hair band
  25. 25.True or false: the core of a wire needs a waterproof material. (a) False (b) True
  26. 26.Which of these needs a transparent material? (a) a boat hull (b) a skipping rope (c) a spectacle lens (d) a roof sheet
  27. 27.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  28. 28.True or false: a boat hull needs a waterproof material. (a) False (b) True
  29. 29.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  30. 30.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  31. 31.🧱 Which property matters most for an umbrella cover? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  32. 32.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) aluminium (d) brass
  33. 33.Which of these needs a heat insulator? (a) a window pane (b) an oven glove (c) a plug pin (d) a raincoat
  34. 34.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  35. 35.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  36. 36.Which of these needs a transparent material? (a) a plug pin (b) a yoga mat (c) a car windscreen (d) a roof sheet
  37. 37.True or false: a hair band needs a heat insulator. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) dry wood (d) iron
  39. 39.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) plastic (d) aluminium
  40. 40.🧱 Which material is best for a window pane? (a) steel (b) brick (c) wood (d) glass

Answer key

  1. a conductor
  2. a conductor
  3. True
  4. a car seat belt
  5. electrical conductor
  6. heat insulator
  7. False
  8. a cooking pot handle
  9. waterproof
  10. a raincoat
  11. waterproof
  12. a window pane
  13. False
  14. an insulator
  15. copper
  16. a conductor
  17. a conductor
  18. False
  19. electrical conductor
  20. False
  21. an insulator
  22. False
  23. waterproof
  24. a tea flask lining
  25. False
  26. a spectacle lens
  27. flexible
  28. True
  29. flexible
  30. heat insulator
  31. waterproof
  32. cotton cloth
  33. an oven glove
  34. transparent
  35. True
  36. a car windscreen
  37. False
  38. iron
  39. aluminium
  40. glass

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