← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 871 · 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 material is best for the core of an electric wire? (a) copper (b) rubber (c) wood (d) glass
  2. 2.🔍 Which is the odd one out? (a) aluminium (b) iron (c) clay pottery (d) brass
  3. 3.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  4. 4.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  5. 5.True or false: a boat hull needs a waterproof material. (a) True (b) False
  6. 6.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  7. 7.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  9. 9.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  10. 10.🧱 Which property matters most for a plug pin? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  11. 11.Which of these needs a heat insulator? (a) a roof sheet (b) a hair band (c) a water tank (d) a cooking pot handle
  12. 12.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.Which of these needs a transparent material? (a) an umbrella cover (b) an oven glove (c) a spectacle lens (d) a plug pin
  14. 14.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  15. 15.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which property matters most for a car windscreen? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  17. 17.🧱 Which property matters most for a boat hull? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  18. 18.Which of these needs a waterproof material? (a) a tea flask lining (b) a boat hull (c) a magnifier lens (d) the core of a wire
  19. 19.🧱 Which property matters most for a hair band? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  20. 20.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) dry wood (d) copper
  21. 21.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  22. 22.Which of these needs an electrical conductor? (a) a plug pin (b) a water tank (c) an umbrella cover (d) an oven glove
  23. 23.🔍 Which is the odd one out? (a) steel (b) rubber (c) copper (d) aluminium
  24. 24.True or false: a cooking pot handle needs an electrical conductor. (a) True (b) False
  25. 25.Which of these needs an electrical conductor? (a) a hair band (b) a car seat belt (c) an oven glove (d) a switch contact
  26. 26.🔍 Which is the odd one out? (a) glass (b) brass (c) dry wood (d) rubber
  27. 27.Which of these needs a heat insulator? (a) a roof sheet (b) an oven glove (c) a car seat belt (d) a boat hull
  28. 28.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  29. 29.Which of these needs a flexible material? (a) a tea flask lining (b) a raincoat (c) the core of a wire (d) a skipping rope
  30. 30.Which of these needs a transparent material? (a) a yoga mat (b) an oven glove (c) a boat hull (d) a car windscreen
  31. 31.🔍 Which is the odd one out? (a) brass (b) graphite (c) plastic (d) steel
  32. 32.True or false: a car windscreen needs a flexible material. (a) False (b) True
  33. 33.True or false: a car windscreen needs a waterproof material. (a) False (b) True
  34. 34.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) iron (c) aluminium (d) copper
  35. 35.Which of these needs a transparent material? (a) a magnifier lens (b) a cooking pot handle (c) a car seat belt (d) an umbrella cover
  36. 36.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  38. 38.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.True or false: a skipping rope needs a waterproof material. (a) False (b) True
  40. 40.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. copper
  2. clay pottery
  3. an insulator
  4. flexible
  5. True
  6. transparent
  7. an insulator
  8. electrical conductor
  9. glass
  10. electrical conductor
  11. a cooking pot handle
  12. an insulator
  13. a spectacle lens
  14. waterproof
  15. an insulator
  16. transparent
  17. waterproof
  18. a boat hull
  19. flexible
  20. copper
  21. waterproof
  22. a plug pin
  23. rubber
  24. False
  25. a switch contact
  26. brass
  27. an oven glove
  28. plastic-coated cloth
  29. a skipping rope
  30. a car windscreen
  31. plastic
  32. False
  33. False
  34. wood or plastic
  35. a magnifier lens
  36. an insulator
  37. waterproof
  38. a conductor
  39. False
  40. a conductor

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