← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 396 · 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 is the odd one out? (a) copper (b) clay pottery (c) rubber (d) plastic
  2. 2.🔍 Which is the odd one out? (a) iron (b) copper (c) graphite (d) plastic
  3. 3.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) plastic (d) clay pottery
  4. 4.Which of these needs a flexible material? (a) a switch contact (b) the core of a wire (c) a hair band (d) a roof sheet
  5. 5.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  6. 6.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  7. 7.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  8. 8.🧱 Which property matters most for a switch contact? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  9. 9.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  10. 10.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  11. 11.True or false: a hair band needs an electrical conductor. (a) True (b) False
  12. 12.True or false: a window pane needs an electrical conductor. (a) False (b) True
  13. 13.🧱 Which property matters most for a car windscreen? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  14. 14.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🔍 Which is the odd one out? (a) steel (b) plastic (c) dry wood (d) glass
  16. 16.🧱 Which property matters most for a boat hull? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  17. 17.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  18. 18.🔍 Which is the odd one out? (a) iron (b) copper (c) steel (d) dry wood
  19. 19.True or false: a roof sheet needs an electrical conductor. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) rubber (b) copper (c) aluminium (d) iron
  21. 21.🧱 Which property matters most for an oven glove? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  22. 22.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  23. 23.Which of these needs a heat insulator? (a) a tea flask lining (b) a hair band (c) a roof sheet (d) a yoga mat
  24. 24.True or false: a roof sheet needs a transparent material. (a) True (b) False
  25. 25.True or false: a car windscreen needs a flexible material. (a) False (b) True
  26. 26.Which of these needs a transparent material? (a) a tea flask lining (b) a cooking pot handle (c) a magnifier lens (d) a hair band
  27. 27.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) aluminium (d) copper
  28. 28.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) heat insulator (c) transparent (d) flexible
  29. 29.Which of these needs an electrical conductor? (a) an umbrella cover (b) an oven glove (c) the core of a wire (d) a water tank
  30. 30.True or false: a water tank needs a flexible material. (a) False (b) True
  31. 31.Which of these needs a transparent material? (a) a car seat belt (b) a car windscreen (c) a yoga mat (d) a raincoat
  32. 32.🧱 Which property matters most for an umbrella cover? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  33. 33.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  34. 34.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  35. 35.Which of these needs a transparent material? (a) a spectacle lens (b) a boat hull (c) an umbrella cover (d) a water tank
  36. 36.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) steel (d) rubber
  37. 37.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) brass (d) cotton cloth
  38. 38.🧱 Which property matters most for a raincoat? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  39. 39.True or false: a raincoat needs a transparent material. (a) False (b) True
  40. 40.True or false: a plug pin needs an electrical conductor. (a) True (b) False

Answer key

  1. copper
  2. plastic
  3. graphite
  4. a hair band
  5. True
  6. True
  7. copper
  8. electrical conductor
  9. False
  10. heat insulator
  11. False
  12. False
  13. transparent
  14. a conductor
  15. steel
  16. waterproof
  17. glass
  18. dry wood
  19. False
  20. rubber
  21. heat insulator
  22. True
  23. a tea flask lining
  24. False
  25. False
  26. a magnifier lens
  27. clay pottery
  28. heat insulator
  29. the core of a wire
  30. False
  31. a car windscreen
  32. waterproof
  33. wood or plastic
  34. transparent
  35. a spectacle lens
  36. steel
  37. brass
  38. waterproof
  39. False
  40. True

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