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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 679 · 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 an electrical conductor. (a) False (b) True
  2. 2.Which of these needs a transparent material? (a) a roof sheet (b) a raincoat (c) a tea flask lining (d) a car windscreen
  3. 3.True or false: a tea flask lining needs a heat insulator. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) brass (b) glass (c) steel (d) copper
  5. 5.🔍 Which is the odd one out? (a) copper (b) steel (c) plastic (d) aluminium
  6. 6.True or false: a raincoat needs an electrical conductor. (a) True (b) False
  7. 7.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.True or false: a roof sheet needs an electrical conductor. (a) True (b) False
  9. 9.Which of these needs a heat insulator? (a) an oven glove (b) a water tank (c) a spectacle lens (d) a hair band
  10. 10.Which of these needs an electrical conductor? (a) a cooking pot handle (b) a plug pin (c) an umbrella cover (d) a raincoat
  11. 11.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  12. 12.Which of these needs a heat insulator? (a) a boat hull (b) a car seat belt (c) a cooking pot handle (d) a yoga mat
  13. 13.True or false: a water tank needs a waterproof material. (a) False (b) True
  14. 14.🧱 Which property matters most for a roof sheet? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  15. 15.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) cotton wool (d) paper
  16. 16.Which of these needs an electrical conductor? (a) a spectacle lens (b) an umbrella cover (c) a car seat belt (d) a switch contact
  17. 17.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.True or false: an oven glove needs a heat insulator. (a) False (b) True
  19. 19.🧱 Which material is best for a window pane? (a) brick (b) steel (c) glass (d) wood
  20. 20.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  21. 21.Which of these needs a waterproof material? (a) an oven glove (b) a yoga mat (c) a skipping rope (d) a roof sheet
  22. 22.🔍 Which is the odd one out? (a) plastic (b) iron (c) rubber (d) clay pottery
  23. 23.True or false: a magnifier lens needs a heat insulator. (a) True (b) False
  24. 24.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  25. 25.🧱 Which property matters most for the core of a wire? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  26. 26.Which of these needs a flexible material? (a) a car windscreen (b) a tea flask lining (c) a yoga mat (d) a magnifier lens
  27. 27.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  28. 28.True or false: a plug pin needs a heat insulator. (a) True (b) False
  29. 29.🧱 Which property matters most for a switch contact? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  30. 30.🧱 Which property matters most for a car windscreen? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  31. 31.Which of these needs a waterproof material? (a) a raincoat (b) a switch contact (c) a car seat belt (d) a yoga mat
  32. 32.Which of these needs a transparent material? (a) a boat hull (b) a window pane (c) a car seat belt (d) the core of a wire
  33. 33.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  34. 34.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) cotton cloth (d) glass
  35. 35.🧱 Which property matters most for a hair band? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  36. 36.Which of these needs a waterproof material? (a) a plug pin (b) a skipping rope (c) a cooking pot handle (d) a water tank
  37. 37.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  38. 38.True or false: a boat hull needs a heat insulator. (a) False (b) True
  39. 39.🧱 Which property matters most for a tea flask lining? (a) transparent (b) electrical conductor (c) heat insulator (d) flexible
  40. 40.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper

Answer key

  1. False
  2. a car windscreen
  3. True
  4. glass
  5. plastic
  6. False
  7. a conductor
  8. False
  9. an oven glove
  10. a plug pin
  11. flexible
  12. a cooking pot handle
  13. True
  14. waterproof
  15. plastic-coated cloth
  16. a switch contact
  17. a conductor
  18. True
  19. glass
  20. transparent
  21. a roof sheet
  22. iron
  23. False
  24. an insulator
  25. electrical conductor
  26. a yoga mat
  27. False
  28. False
  29. electrical conductor
  30. transparent
  31. a raincoat
  32. a window pane
  33. heat insulator
  34. aluminium
  35. flexible
  36. a water tank
  37. True
  38. False
  39. heat insulator
  40. copper

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