← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 416 · 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 material is best for the bars inside concrete? (a) glass (b) steel (c) rubber (d) plastic
  2. 2.🧱 Which property matters most for a spectacle lens? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  3. 3.True or false: a plug pin needs a flexible material. (a) True (b) False
  4. 4.True or false: a magnifier lens needs an electrical conductor. (a) False (b) True
  5. 5.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Which property matters most for an oven glove? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  7. 7.True or false: a skipping rope needs a flexible material. (a) True (b) False
  8. 8.Which of these needs a waterproof material? (a) a car seat belt (b) a cooking pot handle (c) a hair band (d) a boat hull
  9. 9.True or false: a water tank needs a waterproof material. (a) True (b) False
  10. 10.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.Which of these needs a waterproof material? (a) a yoga mat (b) a car seat belt (c) a skipping rope (d) a roof sheet
  12. 12.Which of these needs a flexible material? (a) a spectacle lens (b) the core of a wire (c) a skipping rope (d) a magnifier lens
  13. 13.🧱 Which property matters most for a water tank? (a) transparent (b) heat insulator (c) waterproof (d) flexible
  14. 14.True or false: a window pane needs a heat insulator. (a) True (b) False
  15. 15.Which of these needs a waterproof material? (a) a car seat belt (b) an umbrella cover (c) the core of a wire (d) a plug pin
  16. 16.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Which property matters most for the core of a wire? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  18. 18.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) dry wood (d) brass
  20. 20.Which of these needs a waterproof material? (a) a switch contact (b) a water tank (c) a spectacle lens (d) a skipping rope
  21. 21.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.🧱 Which property matters most for an umbrella cover? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  23. 23.Which of these needs a flexible material? (a) a yoga mat (b) an umbrella cover (c) a tea flask lining (d) a roof sheet
  24. 24.Which of these needs a transparent material? (a) a skipping rope (b) an umbrella cover (c) a spectacle lens (d) a water tank
  25. 25.Which of these needs a waterproof material? (a) a hair band (b) a cooking pot handle (c) a raincoat (d) a plug pin
  26. 26.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  28. 28.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) heat insulator (c) flexible (d) transparent
  29. 29.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  30. 30.True or false: a spectacle lens needs an electrical conductor. (a) True (b) False
  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) iron (b) clay pottery (c) rubber (d) dry wood
  33. 33.🔍 Which is the odd one out? (a) rubber (b) plastic (c) steel (d) cotton cloth
  34. 34.🔍 Which is the odd one out? (a) iron (b) rubber (c) copper (d) graphite
  35. 35.Which of these needs a heat insulator? (a) a cooking pot handle (b) a skipping rope (c) an umbrella cover (d) a water tank
  36. 36.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  37. 37.Which of these needs a heat insulator? (a) a boat hull (b) a window pane (c) an oven glove (d) a hair band
  38. 38.🧱 Which property matters most for a skipping rope? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  39. 39.True or false: a hair band needs a flexible material. (a) False (b) True
  40. 40.Which of these needs an electrical conductor? (a) a magnifier lens (b) an umbrella cover (c) the core of a wire (d) a boat hull

Answer key

  1. steel
  2. transparent
  3. False
  4. False
  5. a conductor
  6. heat insulator
  7. True
  8. a boat hull
  9. True
  10. an insulator
  11. a roof sheet
  12. a skipping rope
  13. waterproof
  14. False
  15. an umbrella cover
  16. a conductor
  17. electrical conductor
  18. an insulator
  19. brass
  20. a water tank
  21. an insulator
  22. waterproof
  23. a yoga mat
  24. a spectacle lens
  25. a raincoat
  26. an insulator
  27. electrical conductor
  28. electrical conductor
  29. transparent
  30. False
  31. True
  32. iron
  33. steel
  34. rubber
  35. a cooking pot handle
  36. heat insulator
  37. an oven glove
  38. flexible
  39. True
  40. the core of a wire

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