← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 286 · 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) clay pottery (b) brass (c) rubber (d) plastic
  2. 2.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) cotton wool (d) plastic-coated cloth
  3. 3.🔍 Which is the odd one out? (a) plastic (b) graphite (c) clay pottery (d) dry wood
  4. 4.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  5. 5.Which of these needs a flexible material? (a) a spectacle lens (b) a car seat belt (c) a roof sheet (d) a plug pin
  6. 6.Which of these needs a heat insulator? (a) a switch contact (b) a boat hull (c) a spectacle lens (d) a cooking pot handle
  7. 7.Which of these needs a transparent material? (a) the core of a wire (b) a plug pin (c) a hair band (d) a window pane
  8. 8.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  9. 9.🧱 Which material is best for the bars inside concrete? (a) steel (b) glass (c) rubber (d) plastic
  10. 10.True or false: an umbrella cover needs a flexible material. (a) False (b) True
  11. 11.Which of these needs a waterproof material? (a) a window pane (b) a car windscreen (c) a spectacle lens (d) a boat hull
  12. 12.Which of these needs a waterproof material? (a) a plug pin (b) a car seat belt (c) a switch contact (d) a roof sheet
  13. 13.True or false: a skipping rope needs a flexible material. (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) plastic (b) graphite (c) copper (d) aluminium
  15. 15.Which of these needs an electrical conductor? (a) a car seat belt (b) a yoga mat (c) the core of a wire (d) a window pane
  16. 16.Which of these needs an electrical conductor? (a) a roof sheet (b) a cooking pot handle (c) a switch contact (d) a boat hull
  17. 17.Which of these needs a waterproof material? (a) a window pane (b) a water tank (c) the core of a wire (d) a tea flask lining
  18. 18.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  19. 19.🔍 Which is the odd one out? (a) plastic (b) copper (c) rubber (d) dry wood
  20. 20.Which of these needs a flexible material? (a) a skipping rope (b) an oven glove (c) a car windscreen (d) a switch contact
  21. 21.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  22. 22.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) wood (d) copper
  23. 23.True or false: the core of a wire needs a flexible material. (a) False (b) True
  24. 24.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  26. 26.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  27. 27.🧱 Which property matters most for a raincoat? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  28. 28.🧱 Which property matters most for a hair band? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  29. 29.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  31. 31.Which of these needs a transparent material? (a) a car windscreen (b) a tea flask lining (c) the core of a wire (d) a raincoat
  32. 32.True or false: a tea flask lining needs an electrical conductor. (a) False (b) True
  33. 33.🔍 Which is the odd one out? (a) copper (b) rubber (c) steel (d) iron
  34. 34.🧱 Which property matters most for a car seat belt? (a) flexible (b) waterproof (c) electrical conductor (d) transparent
  35. 35.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🔍 Which is the odd one out? (a) dry wood (b) copper (c) graphite (d) iron
  37. 37.True or false: the core of a wire needs a heat insulator. (a) True (b) False
  38. 38.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.🧱 Which property matters most for a car windscreen? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  40. 40.Which of these needs a waterproof material? (a) a car seat belt (b) a magnifier lens (c) a raincoat (d) a hair band

Answer key

  1. brass
  2. plastic-coated cloth
  3. graphite
  4. wood or plastic
  5. a car seat belt
  6. a cooking pot handle
  7. a window pane
  8. waterproof
  9. steel
  10. False
  11. a boat hull
  12. a roof sheet
  13. True
  14. plastic
  15. the core of a wire
  16. a switch contact
  17. a water tank
  18. transparent
  19. copper
  20. a skipping rope
  21. heat insulator
  22. copper
  23. False
  24. a conductor
  25. transparent
  26. glass
  27. waterproof
  28. flexible
  29. a conductor
  30. True
  31. a car windscreen
  32. False
  33. rubber
  34. flexible
  35. a conductor
  36. dry wood
  37. False
  38. a conductor
  39. transparent
  40. a raincoat

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