← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 311 · 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) iron (b) plastic (c) brass (d) graphite
  2. 2.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  5. 5.Which of these needs a flexible material? (a) a car seat belt (b) a car windscreen (c) an umbrella cover (d) a raincoat
  6. 6.Which of these needs an electrical conductor? (a) the core of a wire (b) a boat hull (c) an umbrella cover (d) a roof sheet
  7. 7.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Which property matters most for a hair band? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  9. 9.True or false: a window pane needs a flexible material. (a) True (b) False
  10. 10.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  11. 11.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.Which of these needs a flexible material? (a) a window pane (b) an oven glove (c) a yoga mat (d) an umbrella cover
  13. 13.🧱 Which property matters most for a magnifier lens? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  14. 14.🧱 Which property matters most for a tea flask lining? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  15. 15.🧱 Which property matters most for a raincoat? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  16. 16.Which of these needs an electrical conductor? (a) a switch contact (b) a skipping rope (c) a water tank (d) an oven glove
  17. 17.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  18. 18.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  20. 20.Which of these needs a flexible material? (a) a water tank (b) a skipping rope (c) a roof sheet (d) a raincoat
  21. 21.Which of these needs a transparent material? (a) a plug pin (b) a switch contact (c) a magnifier lens (d) a boat hull
  22. 22.Which of these needs a heat insulator? (a) a raincoat (b) a window pane (c) a cooking pot handle (d) a car windscreen
  23. 23.🔍 Which is the odd one out? (a) dry wood (b) glass (c) clay pottery (d) graphite
  24. 24.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  26. 26.Which of these needs a waterproof material? (a) a hair band (b) a spectacle lens (c) a yoga mat (d) a roof sheet
  27. 27.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  28. 28.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) steel (d) brass
  29. 29.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  30. 30.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.True or false: a car seat belt needs an electrical conductor. (a) True (b) False
  32. 32.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  33. 33.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) aluminium (d) clay pottery
  34. 34.🧱 Which property matters most for a window pane? (a) flexible (b) waterproof (c) transparent (d) electrical conductor
  35. 35.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  36. 36.Which of these needs an electrical conductor? (a) a tea flask lining (b) a plug pin (c) a yoga mat (d) a car seat belt
  37. 37.True or false: a hair band needs a flexible material. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) copper (d) cotton cloth
  39. 39.🔍 Which is the odd one out? (a) graphite (b) copper (c) brass (d) rubber
  40. 40.True or false: an oven glove needs a heat insulator. (a) False (b) True

Answer key

  1. plastic
  2. a conductor
  3. an insulator
  4. plastic-coated cloth
  5. a car seat belt
  6. the core of a wire
  7. an insulator
  8. flexible
  9. False
  10. glass
  11. an insulator
  12. a yoga mat
  13. transparent
  14. heat insulator
  15. waterproof
  16. a switch contact
  17. flexible
  18. an insulator
  19. True
  20. a skipping rope
  21. a magnifier lens
  22. a cooking pot handle
  23. graphite
  24. a conductor
  25. flexible
  26. a roof sheet
  27. waterproof
  28. cotton cloth
  29. False
  30. a conductor
  31. False
  32. wood or plastic
  33. aluminium
  34. transparent
  35. waterproof
  36. a plug pin
  37. True
  38. copper
  39. rubber
  40. True

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