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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 734 · 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 property matters most for a car windscreen? (a) heat insulator (b) electrical conductor (c) flexible (d) transparent
  2. 2.🧱 Which property matters most for a raincoat? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  3. 3.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) rubber (d) copper
  4. 4.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  5. 5.🔍 Which is the odd one out? (a) brass (b) aluminium (c) plastic (d) copper
  6. 6.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  7. 7.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  8. 8.🧱 Which material is best for a window pane? (a) glass (b) brick (c) steel (d) wood
  9. 9.🔍 Which is the odd one out? (a) aluminium (b) rubber (c) iron (d) graphite
  10. 10.Which of these needs a flexible material? (a) a yoga mat (b) an oven glove (c) a raincoat (d) a plug pin
  11. 11.Which of these needs a heat insulator? (a) a boat hull (b) a magnifier lens (c) a window pane (d) an oven glove
  12. 12.🔍 Which is the odd one out? (a) aluminium (b) clay pottery (c) rubber (d) glass
  13. 13.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) plastic (d) graphite
  14. 14.Which of these needs a heat insulator? (a) a raincoat (b) a tea flask lining (c) a window pane (d) a spectacle lens
  15. 15.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.True or false: the core of a wire needs a waterproof material. (a) False (b) True
  18. 18.Which of these needs a transparent material? (a) a window pane (b) a car seat belt (c) an oven glove (d) an umbrella cover
  19. 19.Which of these needs an electrical conductor? (a) the core of a wire (b) a yoga mat (c) an oven glove (d) a roof sheet
  20. 20.🧱 Which property matters most for an oven glove? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  21. 21.True or false: a magnifier lens needs an electrical conductor. (a) True (b) False
  22. 22.True or false: a raincoat needs a transparent material. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) plastic (b) glass (c) iron (d) cotton cloth
  24. 24.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  26. 26.🧱 Which property matters most for a roof sheet? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  27. 27.True or false: a roof sheet needs a flexible material. (a) False (b) True
  28. 28.True or false: a spectacle lens needs an electrical conductor. (a) False (b) True
  29. 29.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  30. 30.Which of these needs a waterproof material? (a) a plug pin (b) a skipping rope (c) a raincoat (d) a hair band
  31. 31.Which of these needs a flexible material? (a) a boat hull (b) a car seat belt (c) the core of a wire (d) an umbrella cover
  32. 32.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  33. 33.🧱 Which property matters most for a hair band? (a) flexible (b) transparent (c) waterproof (d) heat insulator
  34. 34.🧱 Which property matters most for a water tank? (a) heat insulator (b) waterproof (c) flexible (d) transparent
  35. 35.True or false: a hair band needs a waterproof material. (a) False (b) True
  36. 36.True or false: a raincoat needs a heat insulator. (a) True (b) False
  37. 37.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  38. 38.Which of these needs a waterproof material? (a) an oven glove (b) a car seat belt (c) a tea flask lining (d) a roof sheet
  39. 39.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) rubber (d) brass
  40. 40.True or false: a car seat belt needs a transparent material. (a) True (b) False

Answer key

  1. transparent
  2. waterproof
  3. copper
  4. wood or plastic
  5. plastic
  6. an insulator
  7. plastic-coated cloth
  8. glass
  9. rubber
  10. a yoga mat
  11. an oven glove
  12. aluminium
  13. graphite
  14. a tea flask lining
  15. an insulator
  16. a conductor
  17. False
  18. a window pane
  19. the core of a wire
  20. heat insulator
  21. False
  22. False
  23. iron
  24. a conductor
  25. copper
  26. waterproof
  27. False
  28. False
  29. heat insulator
  30. a raincoat
  31. a car seat belt
  32. electrical conductor
  33. flexible
  34. waterproof
  35. False
  36. False
  37. True
  38. a roof sheet
  39. brass
  40. False

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