← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 953 · 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 window pane needs a waterproof material. (a) True (b) False
  2. 2.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  3. 3.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  4. 4.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  5. 5.🔍 Which is the odd one out? (a) iron (b) brass (c) steel (d) glass
  6. 6.🔍 Which is the odd one out? (a) graphite (b) brass (c) steel (d) plastic
  7. 7.Which of these needs a flexible material? (a) a plug pin (b) a boat hull (c) a tea flask lining (d) a skipping rope
  8. 8.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) electrical conductor (d) flexible
  10. 10.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  11. 11.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) plastic-coated cloth (d) cotton wool
  12. 12.True or false: a hair band needs a flexible material. (a) False (b) True
  13. 13.🧱 Which property matters most for a yoga mat? (a) flexible (b) transparent (c) heat insulator (d) electrical conductor
  14. 14.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.Which of these needs an electrical conductor? (a) a roof sheet (b) a hair band (c) a magnifier lens (d) the core of a wire
  16. 16.Which of these needs a flexible material? (a) a cooking pot handle (b) a car windscreen (c) a spectacle lens (d) a car seat belt
  17. 17.🔍 Which is the odd one out? (a) rubber (b) iron (c) cotton cloth (d) clay pottery
  18. 18.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) cotton cloth (d) aluminium
  19. 19.Which of these needs a waterproof material? (a) a car seat belt (b) a skipping rope (c) a spectacle lens (d) a raincoat
  20. 20.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  21. 21.Which of these needs a waterproof material? (a) a magnifier lens (b) a tea flask lining (c) a water tank (d) a skipping rope
  22. 22.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  23. 23.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  25. 25.🧱 Which property matters most for a water tank? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  26. 26.🧱 Which property matters most for a switch contact? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  27. 27.🧱 Which property matters most for a hair band? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  28. 28.🧱 Which property matters most for a raincoat? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  29. 29.Which of these needs an electrical conductor? (a) a hair band (b) a plug pin (c) a cooking pot handle (d) a boat hull
  30. 30.True or false: a boat hull needs a heat insulator. (a) False (b) True
  31. 31.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Which property matters most for a window pane? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  33. 33.Which of these needs a waterproof material? (a) a hair band (b) a car windscreen (c) a window pane (d) an umbrella cover
  34. 34.🧱 Which property matters most for a boat hull? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  35. 35.Which of these needs an electrical conductor? (a) a hair band (b) a switch contact (c) an umbrella cover (d) an oven glove
  36. 36.🔍 Which is the odd one out? (a) rubber (b) dry wood (c) plastic (d) copper
  37. 37.Which of these needs a waterproof material? (a) a car seat belt (b) a magnifier lens (c) a tea flask lining (d) a boat hull
  38. 38.Which of these needs a waterproof material? (a) a spectacle lens (b) a skipping rope (c) a roof sheet (d) a window pane
  39. 39.True or false: a window pane needs a transparent material. (a) False (b) True
  40. 40.Which of these needs a flexible material? (a) a hair band (b) the core of a wire (c) a tea flask lining (d) a spectacle lens

Answer key

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

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