← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 936 · 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 cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  3. 3.Which of these needs a flexible material? (a) the core of a wire (b) a yoga mat (c) a roof sheet (d) an oven glove
  4. 4.🧱 Which property matters most for a water tank? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  5. 5.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) plastic (d) glass
  6. 6.Which of these needs a heat insulator? (a) a roof sheet (b) a yoga mat (c) an oven glove (d) a car windscreen
  7. 7.True or false: a hair band needs a flexible material. (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) cotton cloth (d) clay pottery
  9. 9.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) plastic-coated cloth (d) paper
  10. 10.🔍 Which is the odd one out? (a) aluminium (b) brass (c) clay pottery (d) iron
  11. 11.Which of these needs a flexible material? (a) a boat hull (b) a car seat belt (c) a raincoat (d) a water tank
  12. 12.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  13. 13.True or false: a car windscreen needs a transparent material. (a) True (b) False
  14. 14.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.True or false: a magnifier lens needs a heat insulator. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) glass (d) iron
  17. 17.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  18. 18.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🔍 Which is the odd one out? (a) dry wood (b) brass (c) rubber (d) cotton cloth
  21. 21.Which of these needs an electrical conductor? (a) a magnifier lens (b) a spectacle lens (c) a switch contact (d) a yoga mat
  22. 22.🧱 Which property matters most for a hair band? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  23. 23.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  24. 24.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  25. 25.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) iron (d) steel
  26. 26.🔍 Which is the odd one out? (a) copper (b) aluminium (c) rubber (d) iron
  27. 27.🧱 Which property matters most for a spectacle lens? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  28. 28.🧱 Which material is best for a window pane? (a) glass (b) steel (c) brick (d) wood
  29. 29.🧱 Which property matters most for a switch contact? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  30. 30.True or false: a window pane needs a transparent material. (a) False (b) True
  31. 31.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  32. 32.True or false: an oven glove needs a flexible material. (a) False (b) True
  33. 33.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.🧱 Which property matters most for a roof sheet? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  35. 35.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🔍 Which is the odd one out? (a) iron (b) aluminium (c) graphite (d) cotton cloth
  37. 37.Which of these needs a flexible material? (a) a spectacle lens (b) a boat hull (c) a skipping rope (d) a roof sheet
  38. 38.Which of these needs a waterproof material? (a) an umbrella cover (b) a magnifier lens (c) a spectacle lens (d) a switch contact
  39. 39.Which of these needs a flexible material? (a) a hair band (b) a raincoat (c) a spectacle lens (d) a roof sheet
  40. 40.Which of these needs a transparent material? (a) a hair band (b) a plug pin (c) a car seat belt (d) a window pane

Answer key

  1. an insulator
  2. waterproof
  3. a yoga mat
  4. waterproof
  5. steel
  6. an oven glove
  7. True
  8. aluminium
  9. plastic-coated cloth
  10. clay pottery
  11. a car seat belt
  12. copper
  13. True
  14. a conductor
  15. False
  16. iron
  17. a conductor
  18. an insulator
  19. a conductor
  20. brass
  21. a switch contact
  22. flexible
  23. wood or plastic
  24. transparent
  25. dry wood
  26. rubber
  27. transparent
  28. glass
  29. electrical conductor
  30. True
  31. transparent
  32. False
  33. an insulator
  34. waterproof
  35. a conductor
  36. cotton cloth
  37. a skipping rope
  38. an umbrella cover
  39. a hair band
  40. a window pane

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