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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 41 · 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 transparent material? (a) a car seat belt (b) a roof sheet (c) a window pane (d) a tea flask lining
  2. 2.Which of these needs a heat insulator? (a) a water tank (b) a hair band (c) a switch contact (d) a cooking pot handle
  3. 3.Which of these needs a waterproof material? (a) an umbrella cover (b) the core of a wire (c) an oven glove (d) a tea flask lining
  4. 4.True or false: a hair band needs a flexible material. (a) False (b) True
  5. 5.🧱 Which property matters most for a car windscreen? (a) electrical conductor (b) flexible (c) heat insulator (d) transparent
  6. 6.🔍 Which is the odd one out? (a) graphite (b) iron (c) steel (d) glass
  7. 7.🔍 Which is the odd one out? (a) copper (b) dry wood (c) aluminium (d) graphite
  8. 8.🧱 Which property matters most for a water tank? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  9. 9.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  10. 10.🧱 Which property matters most for a spectacle lens? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  11. 11.🧱 Which material is best for the core of an electric wire? (a) rubber (b) copper (c) wood (d) glass
  12. 12.Which of these needs a flexible material? (a) a yoga mat (b) a cooking pot handle (c) a roof sheet (d) a switch contact
  13. 13.Which of these needs a transparent material? (a) a raincoat (b) a water tank (c) a car windscreen (d) the core of a wire
  14. 14.🧱 Which property matters most for an umbrella cover? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  15. 15.True or false: a magnifier lens needs a heat insulator. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) dry wood (d) aluminium
  17. 17.Which of these needs a flexible material? (a) a window pane (b) an umbrella cover (c) a skipping rope (d) a water tank
  18. 18.🧱 Which material is best for the bars inside concrete? (a) steel (b) rubber (c) plastic (d) glass
  19. 19.Which of these needs a heat insulator? (a) the core of a wire (b) an oven glove (c) a boat hull (d) an umbrella cover
  20. 20.🧱 Which material is best for a window pane? (a) wood (b) brick (c) steel (d) glass
  21. 21.🧱 Which property matters most for a switch contact? (a) heat insulator (b) flexible (c) electrical conductor (d) waterproof
  22. 22.🧱 Which property matters most for a boat hull? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  23. 23.🔍 Which is the odd one out? (a) brass (b) plastic (c) clay pottery (d) cotton cloth
  24. 24.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🧱 Which material is best for a cooking pot handle? (a) copper (b) wood or plastic (c) aluminium (d) iron
  26. 26.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  27. 27.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  28. 28.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) paper (d) cotton wool
  29. 29.True or false: a boat hull needs a heat insulator. (a) False (b) True
  30. 30.🧱 Which property matters most for a car seat belt? (a) flexible (b) waterproof (c) electrical conductor (d) heat insulator
  31. 31.🔍 Which is the odd one out? (a) glass (b) steel (c) rubber (d) cotton cloth
  32. 32.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  33. 33.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.Which of these needs an electrical conductor? (a) a boat hull (b) a hair band (c) a water tank (d) a switch contact
  35. 35.Which of these needs an electrical conductor? (a) a raincoat (b) a plug pin (c) a hair band (d) an umbrella cover
  36. 36.Which of these needs a transparent material? (a) the core of a wire (b) a yoga mat (c) a magnifier lens (d) a water tank
  37. 37.🔍 Which is the odd one out? (a) clay pottery (b) plastic (c) dry wood (d) graphite
  38. 38.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  39. 39.🔍 Which is the odd one out? (a) cotton cloth (b) graphite (c) brass (d) steel
  40. 40.Which of these needs a flexible material? (a) the core of a wire (b) a window pane (c) a car seat belt (d) a boat hull

Answer key

  1. a window pane
  2. a cooking pot handle
  3. an umbrella cover
  4. True
  5. transparent
  6. glass
  7. dry wood
  8. waterproof
  9. a conductor
  10. transparent
  11. copper
  12. a yoga mat
  13. a car windscreen
  14. waterproof
  15. False
  16. aluminium
  17. a skipping rope
  18. steel
  19. an oven glove
  20. glass
  21. electrical conductor
  22. waterproof
  23. brass
  24. a conductor
  25. wood or plastic
  26. waterproof
  27. heat insulator
  28. plastic-coated cloth
  29. False
  30. flexible
  31. steel
  32. a conductor
  33. an insulator
  34. a switch contact
  35. a plug pin
  36. a magnifier lens
  37. graphite
  38. a conductor
  39. cotton cloth
  40. a car seat belt

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