← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 614 · 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 boat hull needs a transparent material. (a) False (b) True
  2. 2.True or false: a switch contact needs a heat insulator. (a) False (b) True
  3. 3.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) plastic (d) rubber
  4. 4.🔍 Which is the odd one out? (a) glass (b) dry wood (c) clay pottery (d) brass
  5. 5.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  7. 7.True or false: a car windscreen needs a transparent material. (a) False (b) True
  8. 8.Which of these needs a flexible material? (a) a roof sheet (b) a yoga mat (c) a water tank (d) a tea flask lining
  9. 9.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.True or false: a plug pin needs a waterproof material. (a) True (b) False
  11. 11.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.🔍 Which is the odd one out? (a) brass (b) iron (c) copper (d) clay pottery
  13. 13.True or false: a raincoat needs a waterproof material. (a) True (b) False
  14. 14.True or false: an umbrella cover needs a flexible material. (a) True (b) False
  15. 15.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  16. 16.🔍 Which is the odd one out? (a) plastic (b) iron (c) rubber (d) clay pottery
  17. 17.Which of these needs a flexible material? (a) a switch contact (b) a skipping rope (c) a boat hull (d) the core of a wire
  18. 18.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  20. 20.🧱 Which property matters most for a magnifier lens? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  21. 21.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  22. 22.True or false: a car seat belt needs a flexible material. (a) True (b) False
  23. 23.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  24. 24.🔍 Which is the odd one out? (a) glass (b) graphite (c) brass (d) iron
  25. 25.True or false: a water tank needs a transparent material. (a) False (b) True
  26. 26.Which of these needs a transparent material? (a) a yoga mat (b) the core of a wire (c) a car windscreen (d) a hair band
  27. 27.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) rubber (d) glass
  28. 28.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  29. 29.True or false: a water tank needs a flexible material. (a) False (b) True
  30. 30.Which of these needs an electrical conductor? (a) a plug pin (b) a water tank (c) a tea flask lining (d) a car seat belt
  31. 31.🧱 Which property matters most for a roof sheet? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  32. 32.True or false: a yoga mat needs a waterproof material. (a) False (b) True
  33. 33.True or false: a magnifier lens needs a flexible material. (a) True (b) False
  34. 34.🧱 Which material is best for a window pane? (a) wood (b) glass (c) brick (d) steel
  35. 35.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  36. 36.Which of these needs a transparent material? (a) a hair band (b) a spectacle lens (c) a tea flask lining (d) a boat hull
  37. 37.Which of these needs a flexible material? (a) a switch contact (b) a window pane (c) an oven glove (d) a hair band
  38. 38.True or false: a raincoat needs a heat insulator. (a) True (b) False
  39. 39.True or false: a tea flask lining needs a waterproof material. (a) True (b) False
  40. 40.True or false: a skipping rope needs a transparent material. (a) True (b) False

Answer key

  1. False
  2. False
  3. steel
  4. brass
  5. a conductor
  6. wood or plastic
  7. True
  8. a yoga mat
  9. an insulator
  10. False
  11. an insulator
  12. clay pottery
  13. True
  14. False
  15. a conductor
  16. iron
  17. a skipping rope
  18. a conductor
  19. heat insulator
  20. transparent
  21. a conductor
  22. True
  23. transparent
  24. glass
  25. False
  26. a car windscreen
  27. copper
  28. False
  29. False
  30. a plug pin
  31. waterproof
  32. False
  33. False
  34. glass
  35. False
  36. a spectacle lens
  37. a hair band
  38. False
  39. False
  40. False

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