← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 584 · 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 heat insulator? (a) a spectacle lens (b) a cooking pot handle (c) a roof sheet (d) a yoga mat
  2. 2.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  3. 3.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) cardboard (d) paper
  4. 4.Which of these needs a heat insulator? (a) a roof sheet (b) an oven glove (c) a yoga mat (d) the core of a wire
  5. 5.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🔍 Which is the odd one out? (a) copper (b) iron (c) rubber (d) steel
  8. 8.🔍 Which is the odd one out? (a) dry wood (b) steel (c) iron (d) brass
  9. 9.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) glass (d) rubber
  10. 10.🧱 Which property matters most for a raincoat? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  11. 11.Which of these needs a flexible material? (a) a raincoat (b) a skipping rope (c) a switch contact (d) a car windscreen
  12. 12.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  13. 13.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  14. 14.🔍 Which is the odd one out? (a) glass (b) steel (c) graphite (d) brass
  15. 15.Which of these needs a waterproof material? (a) the core of a wire (b) a water tank (c) a spectacle lens (d) a magnifier lens
  16. 16.🧱 Which property matters most for a hair band? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  17. 17.Which of these needs an electrical conductor? (a) a plug pin (b) a raincoat (c) a window pane (d) a skipping rope
  18. 18.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.🧱 Which property matters most for a boat hull? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  20. 20.Which of these needs a flexible material? (a) a cooking pot handle (b) a magnifier lens (c) a yoga mat (d) the core of a wire
  21. 21.Which of these needs a waterproof material? (a) a car seat belt (b) a tea flask lining (c) the core of a wire (d) a roof sheet
  22. 22.True or false: a window pane needs a waterproof material. (a) False (b) True
  23. 23.True or false: a switch contact needs a waterproof material. (a) True (b) False
  24. 24.🧱 Which property matters most for a roof sheet? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  25. 25.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🔍 Which is the odd one out? (a) graphite (b) glass (c) cotton cloth (d) rubber
  27. 27.True or false: a window pane needs a flexible material. (a) True (b) False
  28. 28.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  29. 29.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.Which of these needs a transparent material? (a) a yoga mat (b) a cooking pot handle (c) a spectacle lens (d) a water tank
  31. 31.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  32. 32.True or false: a boat hull needs a waterproof material. (a) False (b) True
  33. 33.True or false: an oven glove needs a heat insulator. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) aluminium (d) copper
  35. 35.🧱 Which property matters most for the core of a wire? (a) heat insulator (b) waterproof (c) electrical conductor (d) transparent
  36. 36.True or false: a car windscreen needs a flexible material. (a) True (b) False
  37. 37.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  38. 38.True or false: a hair band needs a flexible material. (a) False (b) True
  39. 39.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  40. 40.🧱 Which property matters most for a cooking pot handle? (a) flexible (b) transparent (c) electrical conductor (d) heat insulator

Answer key

  1. a cooking pot handle
  2. waterproof
  3. plastic-coated cloth
  4. an oven glove
  5. an insulator
  6. an insulator
  7. rubber
  8. dry wood
  9. steel
  10. waterproof
  11. a skipping rope
  12. True
  13. flexible
  14. glass
  15. a water tank
  16. flexible
  17. a plug pin
  18. a conductor
  19. waterproof
  20. a yoga mat
  21. a roof sheet
  22. False
  23. False
  24. waterproof
  25. a conductor
  26. graphite
  27. False
  28. electrical conductor
  29. a conductor
  30. a spectacle lens
  31. wood or plastic
  32. True
  33. True
  34. clay pottery
  35. electrical conductor
  36. False
  37. flexible
  38. True
  39. False
  40. heat insulator

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