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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 278 · 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 water tank needs a transparent material. (a) True (b) False
  2. 2.🧱 Which property matters most for an umbrella cover? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  3. 3.True or false: an oven glove needs a heat insulator. (a) False (b) True
  4. 4.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  5. 5.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) steel (d) plastic
  6. 6.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) iron (d) plastic
  7. 7.Which of these needs a flexible material? (a) a yoga mat (b) a magnifier lens (c) a car windscreen (d) a cooking pot handle
  8. 8.🧱 Which material is best for the core of an electric wire? (a) glass (b) wood (c) copper (d) rubber
  9. 9.🔍 Which is the odd one out? (a) iron (b) brass (c) aluminium (d) glass
  10. 10.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.Which of these needs a flexible material? (a) the core of a wire (b) a hair band (c) an umbrella cover (d) a raincoat
  12. 12.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) transparent (c) waterproof (d) heat insulator
  13. 13.🧱 Which property matters most for a boat hull? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  14. 14.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Which property matters most for a switch contact? (a) flexible (b) heat insulator (c) electrical conductor (d) transparent
  16. 16.Which of these needs an electrical conductor? (a) a magnifier lens (b) a plug pin (c) a car windscreen (d) an oven glove
  17. 17.Which of these needs a heat insulator? (a) a car windscreen (b) a boat hull (c) a plug pin (d) an oven glove
  18. 18.True or false: a window pane needs a transparent material. (a) False (b) True
  19. 19.🧱 Which property matters most for a plug pin? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  20. 20.True or false: a hair band needs a flexible material. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) rubber (b) copper (c) glass (d) plastic
  22. 22.True or false: a water tank needs a waterproof material. (a) False (b) True
  23. 23.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.True or false: a hair band needs a transparent material. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) copper (b) steel (c) clay pottery (d) brass
  26. 26.🔍 Which is the odd one out? (a) steel (b) clay pottery (c) rubber (d) glass
  27. 27.Which of these needs a heat insulator? (a) a switch contact (b) a plug pin (c) a cooking pot handle (d) an umbrella cover
  28. 28.Which of these needs a flexible material? (a) a skipping rope (b) a water tank (c) a spectacle lens (d) a raincoat
  29. 29.🔍 Which is the odd one out? (a) brass (b) rubber (c) cotton cloth (d) dry wood
  30. 30.True or false: a water tank needs a flexible material. (a) True (b) False
  31. 31.🧱 Which property matters most for a roof sheet? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  32. 32.Which of these needs an electrical conductor? (a) a roof sheet (b) a yoga mat (c) a water tank (d) a switch contact
  33. 33.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  35. 35.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) transparent (c) flexible (d) heat insulator
  36. 36.Which of these needs a transparent material? (a) an oven glove (b) a car windscreen (c) a hair band (d) a roof sheet
  37. 37.🔍 Which is the odd one out? (a) clay pottery (b) rubber (c) aluminium (d) dry wood
  38. 38.🧱 Which property matters most for a window pane? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  39. 39.Which of these needs a transparent material? (a) a window pane (b) a raincoat (c) a water tank (d) an umbrella cover
  40. 40.🔍 Which is the odd one out? (a) plastic (b) aluminium (c) iron (d) copper

Answer key

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

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