← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 107 · 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 a cooking pot handle? (a) wood or plastic (b) aluminium (c) copper (d) iron
  2. 2.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) iron (d) graphite
  3. 3.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  4. 4.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  5. 5.True or false: a yoga mat needs an electrical conductor. (a) True (b) False
  6. 6.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🔍 Which is the odd one out? (a) graphite (b) dry wood (c) plastic (d) rubber
  8. 8.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  9. 9.Which of these needs a transparent material? (a) a hair band (b) a cooking pot handle (c) a plug pin (d) a spectacle lens
  10. 10.True or false: a raincoat needs a waterproof material. (a) True (b) False
  11. 11.True or false: an oven glove needs an electrical conductor. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) glass (b) copper (c) graphite (d) iron
  13. 13.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) plastic (d) rubber
  14. 14.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  15. 15.🧱 Which property matters most for a magnifier lens? (a) transparent (b) flexible (c) heat insulator (d) electrical conductor
  16. 16.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) rubber (d) copper
  18. 18.🧱 Which property matters most for a plug pin? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  19. 19.Which of these needs an electrical conductor? (a) an oven glove (b) a raincoat (c) a hair band (d) a switch contact
  20. 20.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  21. 21.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  22. 22.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  23. 23.🧱 Which property matters most for a raincoat? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  24. 24.Which of these needs an electrical conductor? (a) a skipping rope (b) a yoga mat (c) the core of a wire (d) a tea flask lining
  25. 25.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) plastic-coated cloth (d) paper
  26. 26.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  27. 27.True or false: a window pane needs a flexible material. (a) True (b) False
  28. 28.Which of these needs a transparent material? (a) a hair band (b) the core of a wire (c) an oven glove (d) a window pane
  29. 29.🧱 Which property matters most for a yoga mat? (a) flexible (b) heat insulator (c) transparent (d) electrical conductor
  30. 30.🔍 Which is the odd one out? (a) rubber (b) iron (c) plastic (d) dry wood
  31. 31.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Which property matters most for a car seat belt? (a) waterproof (b) heat insulator (c) flexible (d) electrical conductor
  33. 33.Which of these needs a flexible material? (a) a window pane (b) an oven glove (c) a switch contact (d) a car seat belt
  34. 34.True or false: a cooking pot handle needs a waterproof material. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) rubber (b) steel (c) clay pottery (d) plastic
  36. 36.🧱 Which property matters most for a water tank? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  37. 37.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  38. 38.Which of these needs an electrical conductor? (a) an umbrella cover (b) a plug pin (c) a magnifier lens (d) a car windscreen
  39. 39.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) aluminium (d) plastic
  40. 40.Which of these needs a heat insulator? (a) an umbrella cover (b) a skipping rope (c) a car windscreen (d) a cooking pot handle

Answer key

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

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