← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 626 · 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 aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.🧱 Which property matters most for a skipping rope? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  3. 3.🧱 Which property matters most for a yoga mat? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  4. 4.Which of these needs a transparent material? (a) an umbrella cover (b) a water tank (c) a car seat belt (d) a spectacle lens
  5. 5.🔍 Which is the odd one out? (a) dry wood (b) cotton cloth (c) aluminium (d) glass
  6. 6.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  7. 7.🧱 Which material is best for a window pane? (a) glass (b) brick (c) steel (d) wood
  8. 8.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) wood (d) glass
  9. 9.Which of these needs an electrical conductor? (a) the core of a wire (b) a water tank (c) a roof sheet (d) a magnifier lens
  10. 10.🔍 Which is the odd one out? (a) graphite (b) rubber (c) clay pottery (d) cotton cloth
  11. 11.True or false: a cooking pot handle needs a flexible material. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) graphite (b) dry wood (c) aluminium (d) brass
  13. 13.Which of these needs a heat insulator? (a) a cooking pot handle (b) the core of a wire (c) a window pane (d) a magnifier lens
  14. 14.Which of these needs a flexible material? (a) a roof sheet (b) a magnifier lens (c) a boat hull (d) a car seat belt
  15. 15.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  16. 16.True or false: a water tank needs a waterproof material. (a) True (b) False
  17. 17.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.Which of these needs an electrical conductor? (a) an umbrella cover (b) a roof sheet (c) a magnifier lens (d) a plug pin
  19. 19.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  20. 20.🔍 Which is the odd one out? (a) brass (b) plastic (c) clay pottery (d) cotton cloth
  21. 21.True or false: a raincoat needs a heat insulator. (a) False (b) True
  22. 22.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) wood or plastic (d) iron
  23. 23.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  24. 24.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.Which of these needs a waterproof material? (a) a car windscreen (b) a hair band (c) a boat hull (d) a switch contact
  26. 26.🔍 Which is the odd one out? (a) iron (b) rubber (c) graphite (d) steel
  27. 27.Which of these needs a heat insulator? (a) a raincoat (b) a yoga mat (c) a hair band (d) an oven glove
  28. 28.🧱 Which property matters most for a car windscreen? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  29. 29.True or false: a roof sheet needs an electrical conductor. (a) False (b) True
  30. 30.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  31. 31.🧱 Which property matters most for a hair band? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  32. 32.🔍 Which is the odd one out? (a) copper (b) plastic (c) graphite (d) iron
  33. 33.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) iron (d) clay pottery
  34. 34.Which of these needs a heat insulator? (a) an umbrella cover (b) a water tank (c) a tea flask lining (d) a spectacle lens
  35. 35.True or false: a car windscreen needs a waterproof material. (a) False (b) True
  36. 36.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  38. 38.True or false: a boat hull needs a flexible material. (a) True (b) False
  39. 39.Which of these needs a flexible material? (a) a switch contact (b) an oven glove (c) a magnifier lens (d) a skipping rope
  40. 40.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

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

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