← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 453 · 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 aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a skipping rope (c) a yoga mat (d) the core of a wire
  3. 3.True or false: a raincoat needs a waterproof material. (a) True (b) False
  4. 4.Which of these needs a waterproof material? (a) a switch contact (b) a roof sheet (c) a car windscreen (d) a window pane
  5. 5.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  7. 7.True or false: a roof sheet needs a flexible material. (a) False (b) True
  8. 8.True or false: a raincoat needs an electrical conductor. (a) False (b) True
  9. 9.🧱 Which material is best for a window pane? (a) glass (b) wood (c) brick (d) steel
  10. 10.Which of these needs a flexible material? (a) a switch contact (b) a skipping rope (c) a spectacle lens (d) an umbrella cover
  11. 11.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) glass (b) brass (c) dry wood (d) rubber
  13. 13.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  14. 14.Which of these needs a transparent material? (a) a car windscreen (b) a boat hull (c) the core of a wire (d) a cooking pot handle
  15. 15.🧱 Which property matters most for a car seat belt? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  16. 16.🔍 Which is the odd one out? (a) brass (b) iron (c) copper (d) rubber
  17. 17.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) waterproof (c) transparent (d) flexible
  18. 18.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  19. 19.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  20. 20.🔍 Which is the odd one out? (a) iron (b) plastic (c) clay pottery (d) rubber
  21. 21.🔍 Which is the odd one out? (a) clay pottery (b) steel (c) copper (d) brass
  22. 22.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  23. 23.🧱 Which property matters most for a tea flask lining? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  24. 24.🧱 Which property matters most for an oven glove? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  25. 25.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  26. 26.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  27. 27.🧱 Which property matters most for the core of a wire? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  28. 28.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  29. 29.Which of these needs a heat insulator? (a) the core of a wire (b) a spectacle lens (c) a cooking pot handle (d) a car seat belt
  30. 30.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  31. 31.🔍 Which is the odd one out? (a) copper (b) glass (c) steel (d) aluminium
  32. 32.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  34. 34.True or false: a water tank needs a transparent material. (a) False (b) True
  35. 35.🧱 Which property matters most for a water tank? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  36. 36.True or false: a raincoat needs a heat insulator. (a) True (b) False
  37. 37.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  38. 38.True or false: the core of a wire needs a transparent material. (a) False (b) True
  39. 39.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  40. 40.🧱 Which property matters most for a hair band? (a) transparent (b) flexible (c) waterproof (d) heat insulator

Answer key

  1. a conductor
  2. the core of a wire
  3. True
  4. a roof sheet
  5. a conductor
  6. plastic-coated cloth
  7. False
  8. False
  9. glass
  10. a skipping rope
  11. True
  12. brass
  13. a conductor
  14. a car windscreen
  15. flexible
  16. rubber
  17. waterproof
  18. heat insulator
  19. an insulator
  20. iron
  21. clay pottery
  22. copper
  23. heat insulator
  24. heat insulator
  25. False
  26. an insulator
  27. electrical conductor
  28. False
  29. a cooking pot handle
  30. a conductor
  31. glass
  32. an insulator
  33. wood or plastic
  34. False
  35. waterproof
  36. False
  37. flexible
  38. False
  39. steel
  40. flexible

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