← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 389 · 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 property matters most for a raincoat? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  2. 2.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  3. 3.🔍 Which is the odd one out? (a) copper (b) plastic (c) graphite (d) iron
  4. 4.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) plastic (d) steel
  7. 7.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) copper (d) cotton cloth
  8. 8.🧱 Which property matters most for an umbrella cover? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  9. 9.Which of these needs an electrical conductor? (a) an oven glove (b) a car seat belt (c) a water tank (d) a switch contact
  10. 10.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  11. 11.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  12. 12.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.🧱 Which property matters most for a water tank? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  14. 14.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) iron (b) aluminium (c) glass (d) steel
  16. 16.🔍 Which is the odd one out? (a) dry wood (b) graphite (c) iron (d) copper
  17. 17.🔍 Which is the odd one out? (a) iron (b) copper (c) clay pottery (d) brass
  18. 18.True or false: a hair band needs a heat insulator. (a) True (b) False
  19. 19.🧱 Which property matters most for an oven glove? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  20. 20.Which of these needs a heat insulator? (a) a yoga mat (b) a boat hull (c) an oven glove (d) a water tank
  21. 21.Which of these needs a flexible material? (a) a water tank (b) the core of a wire (c) a boat hull (d) a skipping rope
  22. 22.🧱 Which property matters most for a yoga mat? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  23. 23.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  24. 24.True or false: a spectacle lens needs a flexible material. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) aluminium (d) cotton cloth
  26. 26.🧱 Which property matters most for a plug pin? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  27. 27.Which of these needs a waterproof material? (a) an umbrella cover (b) a tea flask lining (c) a window pane (d) a car windscreen
  28. 28.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cotton wool (c) cardboard (d) paper
  29. 29.Which of these needs an electrical conductor? (a) a plug pin (b) a cooking pot handle (c) an oven glove (d) a roof sheet
  30. 30.Which of these needs an electrical conductor? (a) a hair band (b) the core of a wire (c) a boat hull (d) a window pane
  31. 31.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  32. 32.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  33. 33.🧱 Which property matters most for a magnifier lens? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  34. 34.Which of these needs a flexible material? (a) an oven glove (b) a raincoat (c) a hair band (d) a switch contact
  35. 35.Which of these needs a waterproof material? (a) the core of a wire (b) a water tank (c) a magnifier lens (d) a window pane
  36. 36.Which of these needs a heat insulator? (a) a switch contact (b) a raincoat (c) a car windscreen (d) a cooking pot handle
  37. 37.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  38. 38.Which of these needs a waterproof material? (a) the core of a wire (b) a skipping rope (c) a roof sheet (d) a plug pin
  39. 39.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.🔍 Which is the odd one out? (a) graphite (b) clay pottery (c) plastic (d) glass

Answer key

  1. waterproof
  2. a conductor
  3. plastic
  4. a conductor
  5. an insulator
  6. steel
  7. copper
  8. waterproof
  9. a switch contact
  10. True
  11. copper
  12. an insulator
  13. waterproof
  14. False
  15. glass
  16. dry wood
  17. clay pottery
  18. False
  19. heat insulator
  20. an oven glove
  21. a skipping rope
  22. flexible
  23. glass
  24. False
  25. aluminium
  26. electrical conductor
  27. an umbrella cover
  28. plastic-coated cloth
  29. a plug pin
  30. the core of a wire
  31. True
  32. heat insulator
  33. transparent
  34. a hair band
  35. a water tank
  36. a cooking pot handle
  37. wood or plastic
  38. a roof sheet
  39. a conductor
  40. graphite

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