← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 841 · 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 window pane? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  2. 2.Which of these needs an electrical conductor? (a) a raincoat (b) a water tank (c) a cooking pot handle (d) a switch contact
  3. 3.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.Which of these needs a flexible material? (a) a switch contact (b) a car windscreen (c) a tea flask lining (d) a skipping rope
  5. 5.True or false: an oven glove needs a heat insulator. (a) True (b) False
  6. 6.🧱 Which property matters most for the core of a wire? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  7. 7.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  8. 8.Which of these needs a flexible material? (a) a roof sheet (b) a boat hull (c) a tea flask lining (d) a yoga mat
  9. 9.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) steel (d) rubber
  10. 10.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  11. 11.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  13. 13.True or false: an oven glove needs a flexible material. (a) True (b) False
  14. 14.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  15. 15.True or false: a hair band needs a flexible material. (a) True (b) False
  16. 16.Which of these needs a waterproof material? (a) the core of a wire (b) a boat hull (c) a hair band (d) a plug pin
  17. 17.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  18. 18.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  19. 19.Which of these needs a heat insulator? (a) a cooking pot handle (b) a switch contact (c) a spectacle lens (d) a boat hull
  20. 20.🔍 Which is the odd one out? (a) brass (b) graphite (c) clay pottery (d) aluminium
  21. 21.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) rubber (d) iron
  22. 22.Which of these needs a flexible material? (a) the core of a wire (b) a window pane (c) a switch contact (d) a hair band
  23. 23.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🔍 Which is the odd one out? (a) graphite (b) steel (c) copper (d) glass
  25. 25.🧱 Which property matters most for a car seat belt? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  26. 26.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) glass (d) dry wood
  28. 28.🧱 Which material is best for a window pane? (a) brick (b) glass (c) wood (d) steel
  29. 29.Which of these needs an electrical conductor? (a) a window pane (b) a spectacle lens (c) the core of a wire (d) a roof sheet
  30. 30.Which of these needs a transparent material? (a) a car windscreen (b) a tea flask lining (c) the core of a wire (d) a raincoat
  31. 31.🧱 Which property matters most for a water tank? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  32. 32.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  33. 33.True or false: a hair band needs a waterproof material. (a) False (b) True
  34. 34.🧱 Which property matters most for a boat hull? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  35. 35.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.🔍 Which is the odd one out? (a) clay pottery (b) cotton cloth (c) graphite (d) dry wood
  37. 37.Which of these needs a waterproof material? (a) a spectacle lens (b) a water tank (c) a car seat belt (d) a hair band
  38. 38.True or false: a plug pin needs a transparent material. (a) False (b) True
  39. 39.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  40. 40.True or false: a magnifier lens needs a heat insulator. (a) True (b) False

Answer key

  1. transparent
  2. a switch contact
  3. a conductor
  4. a skipping rope
  5. True
  6. electrical conductor
  7. False
  8. a yoga mat
  9. steel
  10. copper
  11. an insulator
  12. plastic-coated cloth
  13. False
  14. transparent
  15. True
  16. a boat hull
  17. heat insulator
  18. True
  19. a cooking pot handle
  20. clay pottery
  21. iron
  22. a hair band
  23. a conductor
  24. glass
  25. flexible
  26. a conductor
  27. aluminium
  28. glass
  29. the core of a wire
  30. a car windscreen
  31. waterproof
  32. electrical conductor
  33. False
  34. waterproof
  35. a conductor
  36. graphite
  37. a water tank
  38. False
  39. heat insulator
  40. False

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