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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 769 · 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) steel (b) iron (c) graphite (d) clay pottery
  2. 2.True or false: a car windscreen needs a waterproof material. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) iron (b) aluminium (c) plastic (d) copper
  4. 4.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) plastic (d) copper
  5. 5.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) glass (d) brass
  6. 6.Which of these needs a heat insulator? (a) a car windscreen (b) a skipping rope (c) a water tank (d) a tea flask lining
  7. 7.🔍 Which is the odd one out? (a) graphite (b) cotton cloth (c) iron (d) brass
  8. 8.🔍 Which is the odd one out? (a) copper (b) graphite (c) steel (d) rubber
  9. 9.Which of these needs a waterproof material? (a) a car windscreen (b) a hair band (c) an umbrella cover (d) a yoga mat
  10. 10.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  11. 11.True or false: a magnifier lens needs a waterproof material. (a) False (b) True
  12. 12.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Which property matters most for a water tank? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  15. 15.True or false: a skipping rope needs a flexible material. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) rubber (b) cotton cloth (c) plastic (d) aluminium
  17. 17.True or false: a car windscreen needs a transparent material. (a) True (b) False
  18. 18.Which of these needs a heat insulator? (a) a cooking pot handle (b) a boat hull (c) a water tank (d) a skipping rope
  19. 19.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  20. 20.🧱 Which property matters most for a car windscreen? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  21. 21.Which of these needs a transparent material? (a) a switch contact (b) a boat hull (c) a window pane (d) the core of a wire
  22. 22.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) wood (d) glass
  23. 23.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  24. 24.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) aluminium (d) copper
  25. 25.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.🧱 Which property matters most for a hair band? (a) electrical conductor (b) heat insulator (c) flexible (d) transparent
  28. 28.Which of these needs a transparent material? (a) a car windscreen (b) a car seat belt (c) a cooking pot handle (d) a hair band
  29. 29.Which of these needs an electrical conductor? (a) a plug pin (b) a car windscreen (c) a yoga mat (d) an oven glove
  30. 30.Which of these needs an electrical conductor? (a) a spectacle lens (b) a raincoat (c) an umbrella cover (d) the core of a wire
  31. 31.True or false: a magnifier lens needs a heat insulator. (a) False (b) True
  32. 32.True or false: a spectacle lens needs a heat insulator. (a) True (b) False
  33. 33.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  34. 34.🧱 Which property matters most for a tea flask lining? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  35. 35.Which of these needs a flexible material? (a) a spectacle lens (b) a skipping rope (c) a cooking pot handle (d) a magnifier lens
  36. 36.True or false: a car seat belt needs a waterproof material. (a) False (b) True
  37. 37.Which of these needs a waterproof material? (a) an oven glove (b) a spectacle lens (c) a boat hull (d) the core of a wire
  38. 38.True or false: an oven glove needs a transparent material. (a) True (b) False
  39. 39.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.Which of these needs a heat insulator? (a) a roof sheet (b) a hair band (c) a window pane (d) an oven glove

Answer key

  1. clay pottery
  2. False
  3. plastic
  4. copper
  5. brass
  6. a tea flask lining
  7. cotton cloth
  8. rubber
  9. an umbrella cover
  10. True
  11. False
  12. a conductor
  13. an insulator
  14. waterproof
  15. True
  16. aluminium
  17. True
  18. a cooking pot handle
  19. False
  20. transparent
  21. a window pane
  22. copper
  23. transparent
  24. wood or plastic
  25. an insulator
  26. a conductor
  27. flexible
  28. a car windscreen
  29. a plug pin
  30. the core of a wire
  31. False
  32. False
  33. plastic-coated cloth
  34. heat insulator
  35. a skipping rope
  36. False
  37. a boat hull
  38. False
  39. a conductor
  40. an oven glove

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