← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 93 · 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) brass (b) iron (c) plastic (d) copper
  2. 2.Which of these needs an electrical conductor? (a) a yoga mat (b) a plug pin (c) a window pane (d) a roof sheet
  3. 3.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  4. 4.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) glass (d) steel
  5. 5.Which of these needs a heat insulator? (a) a roof sheet (b) a yoga mat (c) a tea flask lining (d) a car seat belt
  6. 6.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.True or false: a boat hull needs a heat insulator. (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) dry wood (d) copper
  9. 9.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) wood (d) glass
  11. 11.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  12. 12.Which of these needs a waterproof material? (a) a yoga mat (b) a hair band (c) a car windscreen (d) an umbrella cover
  13. 13.Which of these needs a waterproof material? (a) a yoga mat (b) a cooking pot handle (c) a roof sheet (d) an oven glove
  14. 14.True or false: a raincoat needs a transparent material. (a) True (b) False
  15. 15.🧱 Which property matters most for a switch contact? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  16. 16.True or false: a skipping rope needs a transparent material. (a) True (b) False
  17. 17.True or false: a cooking pot handle needs a transparent material. (a) True (b) False
  18. 18.Which of these needs a flexible material? (a) a yoga mat (b) a cooking pot handle (c) a tea flask lining (d) a raincoat
  19. 19.🔍 Which is the odd one out? (a) glass (b) graphite (c) brass (d) aluminium
  20. 20.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  21. 21.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  22. 22.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  23. 23.Which of these needs a flexible material? (a) a roof sheet (b) a car windscreen (c) a cooking pot handle (d) a skipping rope
  24. 24.Which of these needs a waterproof material? (a) a window pane (b) a boat hull (c) a hair band (d) a car seat belt
  25. 25.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  27. 27.True or false: a water tank needs a waterproof material. (a) False (b) True
  28. 28.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  29. 29.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  30. 30.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  31. 31.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) glass (d) rubber
  33. 33.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  35. 35.Which of these needs a transparent material? (a) the core of a wire (b) a skipping rope (c) a yoga mat (d) a window pane
  36. 36.Which of these needs a transparent material? (a) a spectacle lens (b) a switch contact (c) a roof sheet (d) a hair band
  37. 37.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) wood or plastic (d) iron
  38. 38.True or false: a window pane needs a transparent material. (a) False (b) True
  39. 39.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.Which of these needs a flexible material? (a) a roof sheet (b) a hair band (c) a tea flask lining (d) a car windscreen

Answer key

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

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