← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 347 · 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 of these needs a waterproof material? (a) a spectacle lens (b) an umbrella cover (c) a yoga mat (d) a hair band
  2. 2.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  3. 3.🧱 Which material is best for a window pane? (a) wood (b) brick (c) glass (d) steel
  4. 4.🧱 Which property matters most for a car seat belt? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  5. 5.True or false: a yoga mat needs a flexible material. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) iron (b) glass (c) rubber (d) dry wood
  7. 7.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  8. 8.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  9. 9.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) plastic-coated cloth (d) cardboard
  10. 10.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  12. 12.True or false: a skipping rope needs a flexible material. (a) False (b) True
  13. 13.Which of these needs a transparent material? (a) a boat hull (b) a car windscreen (c) an oven glove (d) a raincoat
  14. 14.🔍 Which is the odd one out? (a) copper (b) cotton cloth (c) steel (d) iron
  15. 15.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  16. 16.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) aluminium (b) iron (c) brass (d) rubber
  18. 18.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.Which of these needs a heat insulator? (a) a plug pin (b) an umbrella cover (c) an oven glove (d) the core of a wire
  20. 20.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.True or false: a raincoat needs an electrical conductor. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) brass (d) plastic
  23. 23.Which of these needs a waterproof material? (a) a cooking pot handle (b) a car seat belt (c) a window pane (d) a roof sheet
  24. 24.True or false: a water tank needs a waterproof material. (a) False (b) True
  25. 25.Which of these needs an electrical conductor? (a) a plug pin (b) a car seat belt (c) a cooking pot handle (d) an oven glove
  26. 26.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) heat insulator (d) waterproof
  27. 27.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) copper (d) rubber
  28. 28.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) aluminium (d) graphite
  29. 29.🧱 Which property matters most for a switch contact? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  30. 30.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  31. 31.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.True or false: a window pane needs a transparent material. (a) False (b) True
  33. 33.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🔍 Which is the odd one out? (a) aluminium (b) iron (c) brass (d) plastic
  35. 35.🧱 Which property matters most for a raincoat? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  36. 36.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.Which of these needs a flexible material? (a) a tea flask lining (b) a raincoat (c) a yoga mat (d) a window pane
  38. 38.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  40. 40.Which of these needs a waterproof material? (a) a car seat belt (b) a hair band (c) a raincoat (d) a spectacle lens

Answer key

  1. an umbrella cover
  2. transparent
  3. glass
  4. flexible
  5. True
  6. iron
  7. steel
  8. heat insulator
  9. plastic-coated cloth
  10. a conductor
  11. a conductor
  12. True
  13. a car windscreen
  14. cotton cloth
  15. True
  16. True
  17. rubber
  18. an insulator
  19. an oven glove
  20. a conductor
  21. False
  22. brass
  23. a roof sheet
  24. True
  25. a plug pin
  26. waterproof
  27. copper
  28. clay pottery
  29. electrical conductor
  30. heat insulator
  31. a conductor
  32. True
  33. an insulator
  34. plastic
  35. waterproof
  36. an insulator
  37. a yoga mat
  38. an insulator
  39. False
  40. a raincoat

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