← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 795 · 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.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  2. 2.🧱 Which material is best for a window pane? (a) wood (b) steel (c) glass (d) brick
  3. 3.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  4. 4.🧱 Which property matters most for a hair band? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  5. 5.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  6. 6.True or false: a magnifier lens needs an electrical conductor. (a) True (b) False
  7. 7.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  8. 8.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.Which of these needs a flexible material? (a) a plug pin (b) a boat hull (c) a roof sheet (d) a car seat belt
  10. 10.True or false: a plug pin needs an electrical conductor. (a) False (b) True
  11. 11.🧱 Which property matters most for a plug pin? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  12. 12.🔍 Which is the odd one out? (a) copper (b) plastic (c) glass (d) rubber
  13. 13.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  14. 14.Which of these needs a waterproof material? (a) a boat hull (b) a cooking pot handle (c) the core of a wire (d) an oven glove
  15. 15.Which of these needs a heat insulator? (a) a window pane (b) a yoga mat (c) a switch contact (d) a cooking pot handle
  16. 16.🔍 Which is the odd one out? (a) plastic (b) copper (c) brass (d) iron
  17. 17.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  18. 18.Which of these needs a waterproof material? (a) an umbrella cover (b) a car seat belt (c) a car windscreen (d) a skipping rope
  19. 19.🔍 Which is the odd one out? (a) aluminium (b) copper (c) clay pottery (d) graphite
  20. 20.True or false: the core of a wire needs a flexible material. (a) True (b) False
  21. 21.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  22. 22.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) flexible (c) transparent (d) heat insulator
  23. 23.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) glass (d) cotton cloth
  25. 25.True or false: an oven glove needs a heat insulator. (a) True (b) False
  26. 26.Which of these needs an electrical conductor? (a) the core of a wire (b) a skipping rope (c) a tea flask lining (d) an umbrella cover
  27. 27.🧱 Which property matters most for a switch contact? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  28. 28.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) graphite (d) clay pottery
  29. 29.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) glass (d) plastic
  30. 30.Which of these needs a flexible material? (a) a car windscreen (b) a tea flask lining (c) a window pane (d) a yoga mat
  31. 31.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  32. 32.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  33. 33.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  34. 34.Which of these needs a transparent material? (a) a spectacle lens (b) an umbrella cover (c) a water tank (d) a raincoat
  35. 35.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.True or false: the core of a wire needs a waterproof material. (a) False (b) True
  37. 37.Which of these needs a heat insulator? (a) an oven glove (b) a boat hull (c) a window pane (d) an umbrella cover
  38. 38.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  40. 40.True or false: a car seat belt needs a transparent material. (a) True (b) False

Answer key

  1. a conductor
  2. glass
  3. True
  4. flexible
  5. plastic-coated cloth
  6. False
  7. wood or plastic
  8. a conductor
  9. a car seat belt
  10. True
  11. electrical conductor
  12. copper
  13. waterproof
  14. a boat hull
  15. a cooking pot handle
  16. plastic
  17. True
  18. an umbrella cover
  19. clay pottery
  20. False
  21. True
  22. heat insulator
  23. an insulator
  24. steel
  25. True
  26. the core of a wire
  27. electrical conductor
  28. graphite
  29. steel
  30. a yoga mat
  31. True
  32. heat insulator
  33. heat insulator
  34. a spectacle lens
  35. a conductor
  36. False
  37. an oven glove
  38. an insulator
  39. waterproof
  40. False

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