← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 641 · 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 brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.🔍 Which is the odd one out? (a) copper (b) dry wood (c) steel (d) aluminium
  3. 3.🧱 Which material is best for a window pane? (a) steel (b) brick (c) glass (d) wood
  4. 4.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a plug pin (c) a raincoat (d) an umbrella cover
  5. 5.🔍 Which is the odd one out? (a) plastic (b) copper (c) brass (d) iron
  6. 6.🧱 Which property matters most for a water tank? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  7. 7.True or false: a tea flask lining needs a transparent material. (a) True (b) False
  8. 8.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) wood or plastic (d) copper
  9. 9.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) aluminium (d) plastic
  10. 10.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  12. 12.Which of these needs a heat insulator? (a) a plug pin (b) a yoga mat (c) a boat hull (d) a tea flask lining
  13. 13.Which of these needs a waterproof material? (a) a roof sheet (b) a plug pin (c) a hair band (d) a spectacle lens
  14. 14.🔍 Which is the odd one out? (a) iron (b) steel (c) rubber (d) graphite
  15. 15.Which of these needs a flexible material? (a) a window pane (b) a magnifier lens (c) a yoga mat (d) an umbrella cover
  16. 16.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.🧱 Which property matters most for a tea flask lining? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  19. 19.🧱 Which property matters most for a boat hull? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  20. 20.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  22. 22.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  23. 23.Which of these needs a transparent material? (a) a roof sheet (b) a yoga mat (c) a skipping rope (d) a window pane
  24. 24.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) glass (d) steel
  25. 25.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  26. 26.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  27. 27.True or false: a yoga mat needs a transparent material. (a) True (b) False
  28. 28.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.True or false: a yoga mat needs an electrical conductor. (a) True (b) False
  30. 30.Which of these needs a waterproof material? (a) an umbrella cover (b) a hair band (c) a skipping rope (d) an oven glove
  31. 31.🧱 Which property matters most for a switch contact? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  32. 32.True or false: a tea flask lining needs a waterproof material. (a) False (b) True
  33. 33.Which of these needs a flexible material? (a) a roof sheet (b) a car windscreen (c) a skipping rope (d) an oven glove
  34. 34.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) dry wood (d) plastic
  35. 35.🧱 Which property matters most for a raincoat? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  36. 36.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  38. 38.True or false: a raincoat needs a waterproof material. (a) False (b) True
  39. 39.True or false: a raincoat needs an electrical conductor. (a) True (b) False
  40. 40.🧱 Which property matters most for a roof sheet? (a) flexible (b) waterproof (c) heat insulator (d) electrical conductor

Answer key

  1. a conductor
  2. dry wood
  3. glass
  4. a plug pin
  5. plastic
  6. waterproof
  7. False
  8. wood or plastic
  9. aluminium
  10. a conductor
  11. True
  12. a tea flask lining
  13. a roof sheet
  14. rubber
  15. a yoga mat
  16. an insulator
  17. an insulator
  18. heat insulator
  19. waterproof
  20. a conductor
  21. copper
  22. plastic-coated cloth
  23. a window pane
  24. steel
  25. waterproof
  26. transparent
  27. False
  28. a conductor
  29. False
  30. an umbrella cover
  31. electrical conductor
  32. False
  33. a skipping rope
  34. brass
  35. waterproof
  36. a conductor
  37. an insulator
  38. True
  39. False
  40. waterproof

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