← Materials and their properties lesson New set →

Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 654 · 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.True or false: a boat hull needs a transparent material. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) clay pottery (b) dry wood (c) iron (d) plastic
  3. 3.Which of these needs a heat insulator? (a) a car windscreen (b) a cooking pot handle (c) a plug pin (d) a yoga mat
  4. 4.🔍 Which is the odd one out? (a) steel (b) aluminium (c) clay pottery (d) iron
  5. 5.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🔍 Which is the odd one out? (a) dry wood (b) steel (c) graphite (d) aluminium
  7. 7.🧱 Which property matters most for a hair band? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  8. 8.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) heat insulator (c) transparent (d) electrical conductor
  9. 9.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) clay pottery (d) steel
  10. 10.🧱 Which property matters most for a tea flask lining? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  11. 11.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  12. 12.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  13. 13.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) wood (d) copper
  14. 14.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) steel (d) plastic
  15. 15.🔍 Which is the odd one out? (a) glass (b) aluminium (c) iron (d) graphite
  16. 16.True or false: a hair band needs a flexible material. (a) True (b) False
  17. 17.🧱 Which property matters most for an oven glove? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  18. 18.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  19. 19.True or false: a boat hull needs a waterproof material. (a) True (b) False
  20. 20.True or false: a raincoat needs a waterproof material. (a) True (b) False
  21. 21.🧱 Which property matters most for a magnifier lens? (a) heat insulator (b) transparent (c) electrical conductor (d) waterproof
  22. 22.True or false: a window pane needs a transparent material. (a) False (b) True
  23. 23.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  24. 24.Which of these needs a heat insulator? (a) a skipping rope (b) a car seat belt (c) an umbrella cover (d) a tea flask lining
  25. 25.Which of these needs an electrical conductor? (a) an oven glove (b) a cooking pot handle (c) a hair band (d) the core of a wire
  26. 26.True or false: a yoga mat needs a heat insulator. (a) False (b) True
  27. 27.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  28. 28.True or false: an oven glove needs a heat insulator. (a) False (b) True
  29. 29.True or false: a boat hull needs a flexible material. (a) False (b) True
  30. 30.🧱 Which material is best for a window pane? (a) steel (b) brick (c) glass (d) wood
  31. 31.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🔍 Which is the odd one out? (a) clay pottery (b) aluminium (c) dry wood (d) cotton cloth
  33. 33.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  34. 34.🔍 Which is the odd one out? (a) iron (b) plastic (c) copper (d) aluminium
  35. 35.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  36. 36.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  37. 37.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) copper (b) plastic (c) dry wood (d) clay pottery
  39. 39.True or false: an oven glove needs an electrical conductor. (a) False (b) True
  40. 40.Which of these needs an electrical conductor? (a) a car windscreen (b) a hair band (c) a plug pin (d) an oven glove

Answer key

  1. False
  2. iron
  3. a cooking pot handle
  4. clay pottery
  5. an insulator
  6. dry wood
  7. flexible
  8. waterproof
  9. steel
  10. heat insulator
  11. plastic-coated cloth
  12. False
  13. copper
  14. steel
  15. glass
  16. True
  17. heat insulator
  18. an insulator
  19. True
  20. True
  21. transparent
  22. True
  23. flexible
  24. a tea flask lining
  25. the core of a wire
  26. False
  27. waterproof
  28. True
  29. False
  30. glass
  31. a conductor
  32. aluminium
  33. flexible
  34. plastic
  35. False
  36. an insulator
  37. False
  38. copper
  39. False
  40. a plug pin

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