← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 483 · 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.True or false: a boat hull needs a waterproof material. (a) True (b) False
  2. 2.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) rubber (d) steel
  3. 3.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  4. 4.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  5. 5.Which of these needs a waterproof material? (a) a spectacle lens (b) a yoga mat (c) the core of a wire (d) a boat hull
  6. 6.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  7. 7.Which of these needs an electrical conductor? (a) a raincoat (b) the core of a wire (c) a magnifier lens (d) a window pane
  8. 8.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) graphite (d) steel
  9. 9.True or false: a roof sheet needs a flexible material. (a) False (b) True
  10. 10.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  11. 11.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  12. 12.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  13. 13.🧱 Which property matters most for a magnifier lens? (a) transparent (b) electrical conductor (c) flexible (d) heat insulator
  14. 14.True or false: a tea flask lining needs a waterproof material. (a) False (b) True
  15. 15.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) plastic (b) rubber (c) aluminium (d) cotton cloth
  19. 19.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) copper (d) plastic
  21. 21.True or false: a raincoat needs an electrical conductor. (a) False (b) True
  22. 22.Which of these needs a transparent material? (a) an oven glove (b) a roof sheet (c) a water tank (d) a car windscreen
  23. 23.Which of these needs a heat insulator? (a) a tea flask lining (b) a roof sheet (c) a car windscreen (d) the core of a wire
  24. 24.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  25. 25.🧱 Which property matters most for a switch contact? (a) transparent (b) flexible (c) heat insulator (d) electrical conductor
  26. 26.🔍 Which is the odd one out? (a) brass (b) copper (c) aluminium (d) dry wood
  27. 27.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) copper (d) iron
  28. 28.Which of these needs a heat insulator? (a) a hair band (b) an oven glove (c) a window pane (d) a spectacle lens
  29. 29.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) transparent (c) waterproof (d) flexible
  30. 30.🔍 Which is the odd one out? (a) rubber (b) iron (c) aluminium (d) brass
  31. 31.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Which property matters most for a plug pin? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  33. 33.True or false: an oven glove needs a heat insulator. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) clay pottery (d) iron
  35. 35.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  37. 37.Which of these needs an electrical conductor? (a) a raincoat (b) a hair band (c) a roof sheet (d) a plug pin
  38. 38.Which of these needs a heat insulator? (a) a raincoat (b) a cooking pot handle (c) a window pane (d) a roof sheet
  39. 39.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) graphite (d) dry wood

Answer key

  1. True
  2. steel
  3. True
  4. flexible
  5. a boat hull
  6. glass
  7. the core of a wire
  8. cotton cloth
  9. False
  10. True
  11. transparent
  12. True
  13. transparent
  14. False
  15. a conductor
  16. an insulator
  17. False
  18. aluminium
  19. a conductor
  20. copper
  21. False
  22. a car windscreen
  23. a tea flask lining
  24. flexible
  25. electrical conductor
  26. dry wood
  27. wood or plastic
  28. an oven glove
  29. waterproof
  30. rubber
  31. an insulator
  32. electrical conductor
  33. True
  34. iron
  35. a conductor
  36. plastic-coated cloth
  37. a plug pin
  38. a cooking pot handle
  39. a conductor
  40. graphite

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