← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 745 · 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 material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  2. 2.True or false: a cooking pot handle needs a waterproof material. (a) False (b) True
  3. 3.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  4. 4.🔍 Which is the odd one out? (a) rubber (b) glass (c) steel (d) plastic
  5. 5.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) brass (d) dry wood
  6. 6.True or false: an umbrella cover needs a heat insulator. (a) True (b) False
  7. 7.Which of these needs a waterproof material? (a) a yoga mat (b) an oven glove (c) a car windscreen (d) a water tank
  8. 8.🧱 Which property matters most for a skipping rope? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  9. 9.Which of these needs an electrical conductor? (a) a yoga mat (b) a boat hull (c) a plug pin (d) an umbrella cover
  10. 10.True or false: a skipping rope needs a transparent material. (a) True (b) False
  11. 11.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  12. 12.Which of these needs a waterproof material? (a) a hair band (b) a window pane (c) a cooking pot handle (d) a roof sheet
  13. 13.Which of these needs an electrical conductor? (a) a boat hull (b) a window pane (c) a switch contact (d) a cooking pot handle
  14. 14.True or false: a window pane needs a transparent material. (a) True (b) False
  15. 15.🧱 Which property matters most for a water tank? (a) waterproof (b) electrical conductor (c) transparent (d) heat insulator
  16. 16.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) rubber (d) glass
  18. 18.Which of these needs an electrical conductor? (a) a car seat belt (b) a boat hull (c) the core of a wire (d) a cooking pot handle
  19. 19.Which of these needs a transparent material? (a) an umbrella cover (b) the core of a wire (c) a window pane (d) a roof sheet
  20. 20.True or false: an oven glove needs a heat insulator. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) plastic (b) steel (c) graphite (d) iron
  22. 22.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.🧱 Which property matters most for a yoga mat? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  24. 24.Which of these needs a heat insulator? (a) a tea flask lining (b) a skipping rope (c) a yoga mat (d) a spectacle lens
  25. 25.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  26. 26.🔍 Which is the odd one out? (a) cotton cloth (b) glass (c) rubber (d) aluminium
  27. 27.🔍 Which is the odd one out? (a) graphite (b) rubber (c) brass (d) aluminium
  28. 28.🧱 Which property matters most for a car windscreen? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  29. 29.True or false: a tea flask lining needs an electrical conductor. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) iron (d) rubber
  31. 31.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) cotton cloth (d) iron
  32. 32.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.Which of these needs a waterproof material? (a) a window pane (b) an oven glove (c) a boat hull (d) a switch contact
  34. 34.True or false: an oven glove needs a transparent material. (a) False (b) True
  35. 35.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  36. 36.True or false: an umbrella cover needs an electrical conductor. (a) True (b) False
  37. 37.True or false: a cooking pot handle needs a heat insulator. (a) True (b) False
  38. 38.True or false: a raincoat needs a waterproof material. (a) True (b) False
  39. 39.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  40. 40.True or false: a plug pin needs an electrical conductor. (a) True (b) False

Answer key

  1. plastic-coated cloth
  2. False
  3. wood or plastic
  4. steel
  5. brass
  6. False
  7. a water tank
  8. flexible
  9. a plug pin
  10. False
  11. a conductor
  12. a roof sheet
  13. a switch contact
  14. True
  15. waterproof
  16. an insulator
  17. steel
  18. the core of a wire
  19. a window pane
  20. True
  21. plastic
  22. a conductor
  23. flexible
  24. a tea flask lining
  25. heat insulator
  26. aluminium
  27. rubber
  28. transparent
  29. False
  30. iron
  31. cotton cloth
  32. an insulator
  33. a boat hull
  34. False
  35. waterproof
  36. False
  37. True
  38. True
  39. glass
  40. True

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