← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 92 · 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 is the odd one out? (a) rubber (b) dry wood (c) cotton cloth (d) aluminium
  2. 2.🔍 Which is the odd one out? (a) iron (b) graphite (c) steel (d) rubber
  3. 3.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  4. 4.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) electrical conductor (c) flexible (d) transparent
  5. 5.🧱 Which property matters most for a boat hull? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  6. 6.True or false: a car windscreen needs a flexible material. (a) True (b) False
  7. 7.🧱 Which property matters most for a roof sheet? (a) flexible (b) electrical conductor (c) waterproof (d) heat insulator
  8. 8.Which of these needs a flexible material? (a) a window pane (b) a yoga mat (c) a magnifier lens (d) a cooking pot handle
  9. 9.🧱 Which property matters most for an umbrella cover? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  10. 10.Which of these needs an electrical conductor? (a) a yoga mat (b) a plug pin (c) a water tank (d) an umbrella cover
  11. 11.🧱 Which material is best for a window pane? (a) steel (b) glass (c) wood (d) brick
  12. 12.Which of these needs a transparent material? (a) a tea flask lining (b) a skipping rope (c) a spectacle lens (d) a car seat belt
  13. 13.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) plastic (d) graphite
  14. 14.True or false: a car windscreen needs a heat insulator. (a) True (b) False
  15. 15.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  16. 16.True or false: a water tank needs a flexible material. (a) False (b) True
  17. 17.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  19. 19.Which of these needs an electrical conductor? (a) a boat hull (b) a water tank (c) a yoga mat (d) the core of a wire
  20. 20.True or false: a magnifier lens needs a heat insulator. (a) False (b) True
  21. 21.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  24. 24.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  25. 25.Which of these needs a heat insulator? (a) a car windscreen (b) a water tank (c) a tea flask lining (d) an umbrella cover
  26. 26.🔍 Which is the odd one out? (a) graphite (b) glass (c) copper (d) aluminium
  27. 27.🔍 Which is the odd one out? (a) copper (b) iron (c) steel (d) cotton cloth
  28. 28.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  29. 29.🔍 Which is the odd one out? (a) copper (b) rubber (c) clay pottery (d) dry wood
  30. 30.Which of these needs a waterproof material? (a) a cooking pot handle (b) a roof sheet (c) a switch contact (d) the core of a wire
  31. 31.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) rubber (d) plastic
  32. 32.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) plastic (d) steel
  33. 33.True or false: a boat hull needs a transparent material. (a) True (b) False
  34. 34.Which of these needs a transparent material? (a) a skipping rope (b) a window pane (c) a cooking pot handle (d) a boat hull
  35. 35.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  36. 36.True or false: an oven glove needs a flexible material. (a) False (b) True
  37. 37.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) cotton wool (d) paper
  38. 38.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  39. 39.Which of these needs a waterproof material? (a) a car windscreen (b) an umbrella cover (c) a window pane (d) a magnifier lens
  40. 40.True or false: a hair band needs a flexible material. (a) True (b) False

Answer key

  1. aluminium
  2. rubber
  3. flexible
  4. transparent
  5. waterproof
  6. False
  7. waterproof
  8. a yoga mat
  9. waterproof
  10. a plug pin
  11. glass
  12. a spectacle lens
  13. graphite
  14. False
  15. copper
  16. False
  17. a conductor
  18. True
  19. the core of a wire
  20. False
  21. a conductor
  22. an insulator
  23. waterproof
  24. heat insulator
  25. a tea flask lining
  26. glass
  27. cotton cloth
  28. flexible
  29. copper
  30. a roof sheet
  31. brass
  32. steel
  33. False
  34. a window pane
  35. transparent
  36. False
  37. plastic-coated cloth
  38. flexible
  39. an umbrella cover
  40. True

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