← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 693 · 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 cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  2. 2.🧱 Which material is best for a window pane? (a) steel (b) glass (c) brick (d) wood
  3. 3.🔍 Which is the odd one out? (a) graphite (b) iron (c) rubber (d) brass
  4. 4.True or false: a car windscreen needs a transparent material. (a) True (b) False
  5. 5.🧱 Which property matters most for a skipping rope? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  6. 6.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  7. 7.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  9. 9.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) plastic-coated cloth (d) paper
  10. 10.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  11. 11.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) steel (d) rubber
  12. 12.Which of these needs a waterproof material? (a) a boat hull (b) a switch contact (c) an oven glove (d) the core of a wire
  13. 13.Which of these needs a waterproof material? (a) a plug pin (b) a window pane (c) a yoga mat (d) an umbrella cover
  14. 14.🧱 Which property matters most for a spectacle lens? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  15. 15.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  16. 16.Which of these needs a transparent material? (a) a spectacle lens (b) a tea flask lining (c) a boat hull (d) a plug pin
  17. 17.True or false: a boat hull needs a waterproof material. (a) True (b) False
  18. 18.True or false: a plug pin needs a transparent material. (a) True (b) False
  19. 19.🧱 Which property matters most for a switch contact? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  20. 20.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  21. 21.Which of these needs a waterproof material? (a) a magnifier lens (b) a roof sheet (c) a tea flask lining (d) a yoga mat
  22. 22.Which of these needs a transparent material? (a) a yoga mat (b) a tea flask lining (c) a car windscreen (d) an oven glove
  23. 23.True or false: the core of a wire needs a transparent material. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) dry wood (b) aluminium (c) glass (d) plastic
  25. 25.Which of these needs a heat insulator? (a) a hair band (b) a tea flask lining (c) a car windscreen (d) the core of a wire
  26. 26.Which of these needs a flexible material? (a) a raincoat (b) a cooking pot handle (c) a car seat belt (d) a magnifier lens
  27. 27.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.Which of these needs a flexible material? (a) an umbrella cover (b) a raincoat (c) a roof sheet (d) a hair band
  29. 29.🧱 Which property matters most for a hair band? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  30. 30.True or false: a skipping rope needs a heat insulator. (a) False (b) True
  31. 31.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  32. 32.🧱 Which property matters most for an oven glove? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  33. 33.Which of these needs a heat insulator? (a) a skipping rope (b) the core of a wire (c) a cooking pot handle (d) a hair band
  34. 34.Which of these needs a heat insulator? (a) a window pane (b) a raincoat (c) a car seat belt (d) an oven glove
  35. 35.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  37. 37.🔍 Which is the odd one out? (a) brass (b) plastic (c) clay pottery (d) cotton cloth
  38. 38.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.Which of these needs a flexible material? (a) a boat hull (b) a switch contact (c) a yoga mat (d) the core of a wire
  40. 40.🧱 Which property matters most for a car seat belt? (a) waterproof (b) electrical conductor (c) flexible (d) transparent

Answer key

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

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