← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 611 · 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) aluminium (b) rubber (c) plastic (d) dry wood
  2. 2.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  3. 3.True or false: a raincoat needs a flexible material. (a) True (b) False
  4. 4.True or false: a window pane needs a transparent material. (a) False (b) True
  5. 5.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.🔍 Which is the odd one out? (a) copper (b) graphite (c) steel (d) clay pottery
  8. 8.Which of these needs a flexible material? (a) a switch contact (b) an oven glove (c) a hair band (d) a water tank
  9. 9.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) iron (d) aluminium
  10. 10.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.Which of these needs an electrical conductor? (a) a skipping rope (b) a yoga mat (c) a magnifier lens (d) the core of a wire
  12. 12.True or false: a yoga mat needs a flexible material. (a) True (b) False
  13. 13.Which of these needs a transparent material? (a) a magnifier lens (b) a raincoat (c) a skipping rope (d) an umbrella cover
  14. 14.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  15. 15.🧱 Which property matters most for a hair band? (a) heat insulator (b) electrical conductor (c) flexible (d) waterproof
  16. 16.🧱 Which material is best for a raincoat? (a) paper (b) cotton wool (c) cardboard (d) plastic-coated cloth
  17. 17.🔍 Which is the odd one out? (a) brass (b) cotton cloth (c) dry wood (d) plastic
  18. 18.🔍 Which is the odd one out? (a) graphite (b) brass (c) cotton cloth (d) aluminium
  19. 19.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) steel (b) dry wood (c) glass (d) plastic
  21. 21.🧱 Which property matters most for a window pane? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  22. 22.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  23. 23.True or false: a water tank needs an electrical conductor. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) steel (b) glass (c) aluminium (d) graphite
  25. 25.True or false: a raincoat needs a heat insulator. (a) False (b) True
  26. 26.Which of these needs an electrical conductor? (a) an oven glove (b) a switch contact (c) a window pane (d) a raincoat
  27. 27.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🔍 Which is the odd one out? (a) plastic (b) glass (c) clay pottery (d) graphite
  29. 29.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  30. 30.Which of these needs a flexible material? (a) a window pane (b) a raincoat (c) a skipping rope (d) a tea flask lining
  31. 31.True or false: a roof sheet needs a flexible material. (a) False (b) True
  32. 32.True or false: a yoga mat needs a transparent material. (a) False (b) True
  33. 33.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  34. 34.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  35. 35.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  36. 36.True or false: an oven glove needs a flexible material. (a) False (b) True
  37. 37.True or false: a car seat belt needs a heat insulator. (a) False (b) True
  38. 38.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.Which of these needs a transparent material? (a) a roof sheet (b) a car windscreen (c) a yoga mat (d) a tea flask lining
  40. 40.True or false: the core of a wire needs a waterproof material. (a) False (b) True

Answer key

  1. aluminium
  2. flexible
  3. False
  4. True
  5. an insulator
  6. a conductor
  7. clay pottery
  8. a hair band
  9. wood or plastic
  10. an insulator
  11. the core of a wire
  12. True
  13. a magnifier lens
  14. waterproof
  15. flexible
  16. plastic-coated cloth
  17. brass
  18. cotton cloth
  19. False
  20. steel
  21. transparent
  22. heat insulator
  23. False
  24. glass
  25. False
  26. a switch contact
  27. a conductor
  28. graphite
  29. True
  30. a skipping rope
  31. False
  32. False
  33. copper
  34. glass
  35. True
  36. False
  37. False
  38. an insulator
  39. a car windscreen
  40. False

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