← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 188 · 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 raincoat? (a) paper (b) plastic-coated cloth (c) cardboard (d) cotton wool
  2. 2.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  3. 3.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) plastic (d) rubber
  4. 4.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  5. 5.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.True or false: a window pane needs a waterproof material. (a) True (b) False
  7. 7.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.Which of these needs a flexible material? (a) a window pane (b) a cooking pot handle (c) a yoga mat (d) a boat hull
  9. 9.Which of these needs an electrical conductor? (a) a car windscreen (b) a boat hull (c) a switch contact (d) an oven glove
  10. 10.🧱 Which material is best for a window pane? (a) glass (b) wood (c) steel (d) brick
  11. 11.🔍 Which is the odd one out? (a) iron (b) graphite (c) steel (d) rubber
  12. 12.🧱 Which property matters most for a hair band? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  13. 13.🔍 Which is the odd one out? (a) steel (b) graphite (c) aluminium (d) plastic
  14. 14.True or false: a car seat belt needs a flexible material. (a) False (b) True
  15. 15.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  16. 16.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Which property matters most for a raincoat? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  18. 18.True or false: a tea flask lining needs a transparent material. (a) False (b) True
  19. 19.🧱 Which property matters most for a yoga mat? (a) waterproof (b) flexible (c) heat insulator (d) transparent
  20. 20.Which of these needs a flexible material? (a) a roof sheet (b) a cooking pot handle (c) a hair band (d) a car windscreen
  21. 21.🔍 Which is the odd one out? (a) brass (b) steel (c) dry wood (d) copper
  22. 22.Which of these needs an electrical conductor? (a) a skipping rope (b) an umbrella cover (c) a window pane (d) a plug pin
  23. 23.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) flexible (c) transparent (d) electrical conductor
  24. 24.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) dry wood (d) clay pottery
  26. 26.Which of these needs a transparent material? (a) a raincoat (b) the core of a wire (c) a tea flask lining (d) a car windscreen
  27. 27.🔍 Which is the odd one out? (a) steel (b) graphite (c) copper (d) clay pottery
  28. 28.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.Which of these needs a waterproof material? (a) a raincoat (b) a tea flask lining (c) a hair band (d) an oven glove
  30. 30.🧱 Which property matters most for a car windscreen? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  31. 31.Which of these needs a heat insulator? (a) a skipping rope (b) a plug pin (c) a tea flask lining (d) a window pane
  32. 32.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  33. 33.Which of these needs a waterproof material? (a) a plug pin (b) a cooking pot handle (c) an umbrella cover (d) a hair band
  34. 34.True or false: an umbrella cover needs a heat insulator. (a) False (b) True
  35. 35.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  36. 36.🧱 Which property matters most for a switch contact? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  37. 37.True or false: a switch contact needs an electrical conductor. (a) True (b) False
  38. 38.Which of these needs a flexible material? (a) a window pane (b) the core of a wire (c) a car seat belt (d) a water tank
  39. 39.🧱 Which property matters most for the core of a wire? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  40. 40.🧱 Which material is best for a cooking pot handle? (a) iron (b) copper (c) aluminium (d) wood or plastic

Answer key

  1. plastic-coated cloth
  2. True
  3. steel
  4. False
  5. an insulator
  6. False
  7. an insulator
  8. a yoga mat
  9. a switch contact
  10. glass
  11. rubber
  12. flexible
  13. plastic
  14. True
  15. True
  16. a conductor
  17. waterproof
  18. False
  19. flexible
  20. a hair band
  21. dry wood
  22. a plug pin
  23. flexible
  24. a conductor
  25. aluminium
  26. a car windscreen
  27. clay pottery
  28. a conductor
  29. a raincoat
  30. transparent
  31. a tea flask lining
  32. copper
  33. an umbrella cover
  34. False
  35. False
  36. electrical conductor
  37. True
  38. a car seat belt
  39. electrical conductor
  40. wood or plastic

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