← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 536 · 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 raincoat? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  2. 2.True or false: a plug pin needs a transparent material. (a) False (b) True
  3. 3.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) rubber (d) glass
  4. 4.Which of these needs a waterproof material? (a) a raincoat (b) the core of a wire (c) a switch contact (d) a yoga mat
  5. 5.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) brass (d) dry wood
  6. 6.True or false: a water tank needs a waterproof material. (a) False (b) True
  7. 7.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.True or false: a water tank needs a heat insulator. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) glass (d) cotton cloth
  10. 10.Which of these needs a transparent material? (a) a boat hull (b) a car seat belt (c) a raincoat (d) a magnifier lens
  11. 11.Which of these needs a transparent material? (a) a water tank (b) a skipping rope (c) the core of a wire (d) a spectacle lens
  12. 12.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  13. 13.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  14. 14.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  15. 15.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) heat insulator (d) waterproof
  16. 16.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.Which of these needs a heat insulator? (a) an oven glove (b) the core of a wire (c) an umbrella cover (d) a window pane
  18. 18.🧱 Which property matters most for a car seat belt? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  19. 19.Which of these needs a heat insulator? (a) a skipping rope (b) a water tank (c) a switch contact (d) a tea flask lining
  20. 20.🔍 Which is the odd one out? (a) glass (b) graphite (c) dry wood (d) clay pottery
  21. 21.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.Which of these needs a heat insulator? (a) a hair band (b) a raincoat (c) a water tank (d) a cooking pot handle
  23. 23.Which of these needs a waterproof material? (a) a switch contact (b) a water tank (c) a yoga mat (d) a tea flask lining
  24. 24.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  25. 25.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  27. 27.🧱 Which property matters most for a plug pin? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  28. 28.True or false: a plug pin needs an electrical conductor. (a) True (b) False
  29. 29.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) aluminium (d) steel
  31. 31.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  32. 32.True or false: a skipping rope needs a flexible material. (a) True (b) False
  33. 33.True or false: a roof sheet needs an electrical conductor. (a) True (b) False
  34. 34.🧱 Which property matters most for an umbrella cover? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor
  35. 35.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  36. 36.Which of these needs an electrical conductor? (a) an oven glove (b) a plug pin (c) a car windscreen (d) an umbrella cover
  37. 37.🧱 Which property matters most for a window pane? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  38. 38.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  39. 39.🧱 Which material is best for a window pane? (a) brick (b) glass (c) steel (d) wood
  40. 40.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

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

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