← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 333 · 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.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) aluminium (b) copper (c) iron (d) plastic
  3. 3.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  4. 4.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  5. 5.True or false: a magnifier lens needs a waterproof material. (a) False (b) True
  6. 6.🔍 Which is the odd one out? (a) clay pottery (b) brass (c) steel (d) copper
  7. 7.True or false: a boat hull needs a transparent material. (a) True (b) False
  8. 8.Which of these needs a waterproof material? (a) an umbrella cover (b) a skipping rope (c) a switch contact (d) a spectacle lens
  9. 9.Which of these needs an electrical conductor? (a) a water tank (b) a spectacle lens (c) a switch contact (d) a skipping rope
  10. 10.🔍 Which is the odd one out? (a) aluminium (b) brass (c) steel (d) dry wood
  11. 11.🔍 Which is the odd one out? (a) copper (b) clay pottery (c) dry wood (d) cotton cloth
  12. 12.🔍 Which is the odd one out? (a) dry wood (b) brass (c) glass (d) plastic
  13. 13.🧱 Which property matters most for a boat hull? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  14. 14.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  15. 15.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  16. 16.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  17. 17.Which of these needs a heat insulator? (a) a cooking pot handle (b) a water tank (c) a raincoat (d) a roof sheet
  18. 18.True or false: a boat hull needs a flexible material. (a) False (b) True
  19. 19.True or false: an umbrella cover needs a transparent material. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) cotton cloth (d) rubber
  21. 21.Which of these needs a waterproof material? (a) the core of a wire (b) a yoga mat (c) a raincoat (d) an oven glove
  22. 22.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  24. 24.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  26. 26.Which of these needs a transparent material? (a) a cooking pot handle (b) an oven glove (c) a water tank (d) a car windscreen
  27. 27.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  28. 28.Which of these needs a heat insulator? (a) a window pane (b) an oven glove (c) an umbrella cover (d) a car seat belt
  29. 29.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.True or false: a roof sheet needs a heat insulator. (a) False (b) True
  31. 31.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  32. 32.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  33. 33.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.🔍 Which is the odd one out? (a) iron (b) rubber (c) steel (d) graphite
  35. 35.True or false: a raincoat needs a transparent material. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) copper (d) iron
  37. 37.Which of these needs a flexible material? (a) the core of a wire (b) a tea flask lining (c) a magnifier lens (d) a hair band
  38. 38.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) plastic (d) glass
  39. 39.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  40. 40.True or false: an oven glove needs a heat insulator. (a) True (b) False

Answer key

  1. False
  2. plastic
  3. glass
  4. flexible
  5. False
  6. clay pottery
  7. False
  8. an umbrella cover
  9. a switch contact
  10. dry wood
  11. copper
  12. brass
  13. waterproof
  14. copper
  15. True
  16. True
  17. a cooking pot handle
  18. False
  19. False
  20. aluminium
  21. a raincoat
  22. a conductor
  23. waterproof
  24. a conductor
  25. waterproof
  26. a car windscreen
  27. True
  28. an oven glove
  29. a conductor
  30. False
  31. heat insulator
  32. False
  33. an insulator
  34. rubber
  35. False
  36. cotton cloth
  37. a hair band
  38. steel
  39. transparent
  40. True

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