← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 236 · 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 a boat hull? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  2. 2.🧱 Which material is best for the core of an electric wire? (a) copper (b) glass (c) rubber (d) wood
  3. 3.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  4. 4.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  5. 5.Which of these needs an electrical conductor? (a) the core of a wire (b) an oven glove (c) a roof sheet (d) a tea flask lining
  6. 6.🔍 Which is the odd one out? (a) plastic (b) rubber (c) cotton cloth (d) brass
  7. 7.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  9. 9.🧱 Which property matters most for the core of a wire? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  10. 10.True or false: an oven glove needs a heat insulator. (a) True (b) False
  11. 11.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  12. 12.Which of these needs a heat insulator? (a) the core of a wire (b) a boat hull (c) a hair band (d) a tea flask lining
  13. 13.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.Which of these needs a waterproof material? (a) a switch contact (b) an oven glove (c) the core of a wire (d) a boat hull
  15. 15.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  16. 16.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  17. 17.🧱 Which property matters most for a hair band? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  18. 18.Which of these needs a waterproof material? (a) an oven glove (b) a spectacle lens (c) a raincoat (d) a switch contact
  19. 19.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  20. 20.True or false: a magnifier lens needs a flexible material. (a) True (b) False
  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 windscreen (b) a hair band (c) a car seat belt (d) a plug pin
  23. 23.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  24. 24.🔍 Which is the odd one out? (a) dry wood (b) glass (c) aluminium (d) cotton cloth
  25. 25.🔍 Which is the odd one out? (a) steel (b) rubber (c) dry wood (d) clay pottery
  26. 26.True or false: a plug pin needs a transparent material. (a) False (b) True
  27. 27.Which of these needs a flexible material? (a) a spectacle lens (b) a car seat belt (c) the core of a wire (d) a window pane
  28. 28.Which of these needs a transparent material? (a) an umbrella cover (b) a hair band (c) a window pane (d) a cooking pot handle
  29. 29.🧱 Which property matters most for a raincoat? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  30. 30.🔍 Which is the odd one out? (a) graphite (b) glass (c) plastic (d) clay pottery
  31. 31.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  33. 33.🧱 Which property matters most for a spectacle lens? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  34. 34.Which of these needs a heat insulator? (a) a roof sheet (b) a window pane (c) a cooking pot handle (d) a skipping rope
  35. 35.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  36. 36.Which of these needs a transparent material? (a) a car seat belt (b) a roof sheet (c) a skipping rope (d) a spectacle lens
  37. 37.🔍 Which is the odd one out? (a) copper (b) plastic (c) cotton cloth (d) clay pottery
  38. 38.Which of these needs a waterproof material? (a) a roof sheet (b) a spectacle lens (c) the core of a wire (d) a magnifier lens
  39. 39.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  40. 40.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) plastic (d) brass

Answer key

  1. waterproof
  2. copper
  3. plastic-coated cloth
  4. glass
  5. the core of a wire
  6. brass
  7. an insulator
  8. a conductor
  9. electrical conductor
  10. True
  11. transparent
  12. a tea flask lining
  13. a conductor
  14. a boat hull
  15. True
  16. False
  17. flexible
  18. a raincoat
  19. flexible
  20. False
  21. a conductor
  22. a car windscreen
  23. wood or plastic
  24. aluminium
  25. steel
  26. False
  27. a car seat belt
  28. a window pane
  29. waterproof
  30. graphite
  31. a conductor
  32. True
  33. transparent
  34. a cooking pot handle
  35. True
  36. a spectacle lens
  37. copper
  38. a roof sheet
  39. heat insulator
  40. plastic

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