← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 158 · 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 waterproof material? (a) a magnifier lens (b) a switch contact (c) an oven glove (d) a raincoat
  2. 2.Which of these needs an electrical conductor? (a) a raincoat (b) the core of a wire (c) a yoga mat (d) a spectacle lens
  3. 3.Which of these needs an electrical conductor? (a) a magnifier lens (b) a car windscreen (c) a yoga mat (d) a switch contact
  4. 4.🔍 Which is the odd one out? (a) copper (b) clay pottery (c) iron (d) aluminium
  5. 5.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.Which of these needs a waterproof material? (a) a car seat belt (b) a plug pin (c) a water tank (d) a skipping rope
  7. 7.Which of these needs a flexible material? (a) a yoga mat (b) a boat hull (c) the core of a wire (d) a spectacle lens
  8. 8.🔍 Which is the odd one out? (a) glass (b) clay pottery (c) iron (d) plastic
  9. 9.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) flexible (c) transparent (d) waterproof
  10. 10.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  11. 11.Which of these needs an electrical conductor? (a) a plug pin (b) a car windscreen (c) an umbrella cover (d) a hair band
  12. 12.🔍 Which is the odd one out? (a) graphite (b) brass (c) iron (d) rubber
  13. 13.Which of these needs a flexible material? (a) a window pane (b) a raincoat (c) a switch contact (d) a car seat belt
  14. 14.🔍 Which is the odd one out? (a) dry wood (b) iron (c) aluminium (d) brass
  15. 15.🧱 Which property matters most for a car seat belt? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  16. 16.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🔍 Which is the odd one out? (a) brass (b) aluminium (c) steel (d) plastic
  18. 18.True or false: a spectacle lens needs a transparent material. (a) False (b) True
  19. 19.True or false: a hair band needs a waterproof material. (a) False (b) True
  20. 20.Which of these needs a transparent material? (a) a hair band (b) a water tank (c) a spectacle lens (d) an oven glove
  21. 21.True or false: a raincoat needs a waterproof material. (a) False (b) True
  22. 22.🧱 Which material is best for a window pane? (a) steel (b) brick (c) wood (d) glass
  23. 23.True or false: a car windscreen needs a flexible material. (a) True (b) False
  24. 24.True or false: an oven glove needs a heat insulator. (a) False (b) True
  25. 25.Which of these needs a flexible material? (a) a roof sheet (b) a magnifier lens (c) a skipping rope (d) a tea flask lining
  26. 26.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.True or false: a water tank needs a transparent material. (a) False (b) True
  29. 29.True or false: a water tank needs a waterproof material. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) clay pottery (d) brass
  31. 31.True or false: a window pane needs an electrical conductor. (a) True (b) False
  32. 32.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  33. 33.Which of these needs a flexible material? (a) a raincoat (b) the core of a wire (c) a hair band (d) a window pane
  34. 34.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  35. 35.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber
  36. 36.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  37. 37.🧱 Which property matters most for a water tank? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  38. 38.True or false: a raincoat needs a transparent material. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) glass (b) rubber (c) dry wood (d) steel
  40. 40.True or false: a switch contact needs an electrical conductor. (a) False (b) True

Answer key

  1. a raincoat
  2. the core of a wire
  3. a switch contact
  4. clay pottery
  5. an insulator
  6. a water tank
  7. a yoga mat
  8. iron
  9. transparent
  10. True
  11. a plug pin
  12. rubber
  13. a car seat belt
  14. dry wood
  15. flexible
  16. an insulator
  17. plastic
  18. True
  19. False
  20. a spectacle lens
  21. True
  22. glass
  23. False
  24. True
  25. a skipping rope
  26. an insulator
  27. a conductor
  28. False
  29. True
  30. brass
  31. False
  32. waterproof
  33. a hair band
  34. wood or plastic
  35. steel
  36. a conductor
  37. waterproof
  38. False
  39. steel
  40. True

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