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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 788 · 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 car windscreen needs a flexible material. (a) False (b) True
  2. 2.🧱 Which property matters most for a car seat belt? (a) transparent (b) flexible (c) electrical conductor (d) heat insulator
  3. 3.Which of these needs a waterproof material? (a) a water tank (b) the core of a wire (c) a window pane (d) a cooking pot handle
  4. 4.🧱 Which property matters most for a yoga mat? (a) waterproof (b) electrical conductor (c) heat insulator (d) flexible
  5. 5.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.True or false: a cooking pot handle needs a transparent material. (a) True (b) False
  7. 7.True or false: an umbrella cover needs an electrical conductor. (a) False (b) True
  8. 8.Which of these needs a waterproof material? (a) a tea flask lining (b) a car seat belt (c) a skipping rope (d) an umbrella cover
  9. 9.True or false: a magnifier lens needs an electrical conductor. (a) False (b) True
  10. 10.🧱 Which property matters most for a cooking pot handle? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  11. 11.True or false: a switch contact needs an electrical conductor. (a) False (b) True
  12. 12.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  13. 13.Which of these needs an electrical conductor? (a) a hair band (b) a roof sheet (c) a spectacle lens (d) a plug pin
  14. 14.🧱 Which material is best for a raincoat? (a) paper (b) cardboard (c) cotton wool (d) plastic-coated cloth
  15. 15.🔍 Which is the odd one out? (a) aluminium (b) glass (c) clay pottery (d) plastic
  16. 16.Which of these needs a heat insulator? (a) a boat hull (b) a car windscreen (c) a roof sheet (d) an oven glove
  17. 17.Which of these needs a heat insulator? (a) a cooking pot handle (b) a boat hull (c) a plug pin (d) a hair band
  18. 18.Which of these needs a flexible material? (a) an umbrella cover (b) a window pane (c) a spectacle lens (d) a skipping rope
  19. 19.🔍 Which is the odd one out? (a) cotton cloth (b) graphite (c) steel (d) iron
  20. 20.Which of these needs a waterproof material? (a) a window pane (b) a skipping rope (c) a switch contact (d) a roof sheet
  21. 21.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) steel (d) rubber
  22. 22.🔍 Which is the odd one out? (a) brass (b) iron (c) aluminium (d) glass
  23. 23.True or false: a boat hull needs a heat insulator. (a) True (b) False
  24. 24.Which of these needs a transparent material? (a) a window pane (b) a hair band (c) a skipping rope (d) a roof sheet
  25. 25.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) heat insulator (c) flexible (d) waterproof
  26. 26.🧱 Which property matters most for a spectacle lens? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  27. 27.🔍 Which is the odd one out? (a) aluminium (b) graphite (c) plastic (d) brass
  28. 28.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  29. 29.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
  30. 30.🧱 Which property matters most for an oven glove? (a) transparent (b) heat insulator (c) flexible (d) waterproof
  31. 31.🧱 Which property matters most for a window pane? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  32. 32.Which of these needs an electrical conductor? (a) an umbrella cover (b) a boat hull (c) a water tank (d) a switch contact
  33. 33.🧱 Which property matters most for a skipping rope? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  34. 34.🧱 Which property matters most for the core of a wire? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  35. 35.Which of these needs an electrical conductor? (a) a tea flask lining (b) a yoga mat (c) a boat hull (d) the core of a wire
  36. 36.🧱 Which property matters most for a hair band? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  37. 37.🧱 Which material is best for a cooking pot handle? (a) iron (b) copper (c) wood or plastic (d) aluminium
  38. 38.🧱 Which property matters most for a car windscreen? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  39. 39.True or false: a car windscreen needs a transparent material. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) brass (b) rubber (c) aluminium (d) graphite

Answer key

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

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