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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 234 · 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) glass (b) rubber (c) dry wood (d) steel
  2. 2.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  3. 3.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  4. 4.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.Which of these needs an electrical conductor? (a) a roof sheet (b) the core of a wire (c) a water tank (d) a raincoat
  6. 6.🧱 Which property matters most for an oven glove? (a) heat insulator (b) transparent (c) waterproof (d) electrical conductor
  7. 7.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.🔍 Which is the odd one out? (a) aluminium (b) brass (c) rubber (d) copper
  9. 9.True or false: a skipping rope needs a flexible material. (a) True (b) False
  10. 10.Which of these needs a heat insulator? (a) a window pane (b) a boat hull (c) a hair band (d) an oven glove
  11. 11.Which of these needs a waterproof material? (a) a plug pin (b) a skipping rope (c) an oven glove (d) a raincoat
  12. 12.True or false: a yoga mat needs a flexible material. (a) False (b) True
  13. 13.Which of these needs a heat insulator? (a) a tea flask lining (b) a plug pin (c) a yoga mat (d) a hair band
  14. 14.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🔍 Which is the odd one out? (a) glass (b) rubber (c) plastic (d) aluminium
  16. 16.🧱 Which property matters most for a water tank? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  17. 17.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) steel (d) plastic
  18. 18.Which of these needs a waterproof material? (a) a skipping rope (b) a window pane (c) a car seat belt (d) a water tank
  19. 19.🧱 Which material is best for the core of an electric wire? (a) copper (b) wood (c) rubber (d) glass
  20. 20.Which of these needs a transparent material? (a) a window pane (b) the core of a wire (c) a skipping rope (d) a tea flask lining
  21. 21.Which of these needs a flexible material? (a) a window pane (b) a boat hull (c) a skipping rope (d) a roof sheet
  22. 22.True or false: a spectacle lens needs a heat insulator. (a) False (b) True
  23. 23.Which of these needs a flexible material? (a) a switch contact (b) a yoga mat (c) an umbrella cover (d) an oven glove
  24. 24.🧱 Which property matters most for a tea flask lining? (a) waterproof (b) electrical conductor (c) heat insulator (d) transparent
  25. 25.🧱 Which property matters most for a spectacle lens? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  26. 26.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  27. 27.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  28. 28.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cardboard (c) cotton wool (d) paper
  29. 29.🔍 Which is the odd one out? (a) plastic (b) dry wood (c) copper (d) clay pottery
  30. 30.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  31. 31.Which of these needs a flexible material? (a) a roof sheet (b) a water tank (c) a hair band (d) a tea flask lining
  32. 32.🧱 Which property matters most for a yoga mat? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  33. 33.True or false: a window pane needs a transparent material. (a) False (b) True
  34. 34.Which of these needs a waterproof material? (a) a spectacle lens (b) a hair band (c) a magnifier lens (d) an umbrella cover
  35. 35.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  36. 36.🧱 Which material is best for the bars inside concrete? (a) rubber (b) plastic (c) steel (d) glass
  37. 37.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) glass (d) graphite
  39. 39.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator

Answer key

  1. steel
  2. waterproof
  3. False
  4. an insulator
  5. the core of a wire
  6. heat insulator
  7. a conductor
  8. rubber
  9. True
  10. an oven glove
  11. a raincoat
  12. True
  13. a tea flask lining
  14. a conductor
  15. aluminium
  16. waterproof
  17. plastic
  18. a water tank
  19. copper
  20. a window pane
  21. a skipping rope
  22. False
  23. a yoga mat
  24. heat insulator
  25. transparent
  26. True
  27. True
  28. plastic-coated cloth
  29. copper
  30. glass
  31. a hair band
  32. flexible
  33. True
  34. an umbrella cover
  35. False
  36. steel
  37. True
  38. graphite
  39. a conductor
  40. a conductor

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