← Materials and their properties lesson New set →

Engineering Worksheet: Materials

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

Answer key

  1. wood or plastic
  2. a boat hull
  3. a conductor
  4. flexible
  5. electrical conductor
  6. a spectacle lens
  7. False
  8. a window pane
  9. transparent
  10. an insulator
  11. glass
  12. False
  13. an oven glove
  14. electrical conductor
  15. False
  16. a magnifier lens
  17. False
  18. a conductor
  19. steel
  20. a conductor
  21. False
  22. False
  23. a conductor
  24. aluminium
  25. False
  26. rubber
  27. an insulator
  28. brass
  29. plastic-coated cloth
  30. steel
  31. a cooking pot handle
  32. the core of a wire
  33. a hair band
  34. True
  35. copper
  36. copper
  37. flexible
  38. True
  39. True
  40. clay pottery

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