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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 326 · 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 tea flask lining needs a heat insulator. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) brass (b) clay pottery (c) glass (d) rubber
  3. 3.🧱 Which property matters most for a water tank? (a) waterproof (b) heat insulator (c) flexible (d) electrical conductor
  4. 4.🔍 Which is the odd one out? (a) rubber (b) aluminium (c) cotton cloth (d) plastic
  5. 5.🧱 Which material is best for a cooking pot handle? (a) copper (b) iron (c) wood or plastic (d) aluminium
  6. 6.True or false: a yoga mat needs a heat insulator. (a) False (b) True
  7. 7.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  9. 9.Which of these needs a transparent material? (a) a switch contact (b) a hair band (c) a cooking pot handle (d) a magnifier lens
  10. 10.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  11. 11.Which of these needs a flexible material? (a) a plug pin (b) the core of a wire (c) a boat hull (d) a car seat belt
  12. 12.Which of these needs an electrical conductor? (a) an umbrella cover (b) a water tank (c) the core of a wire (d) a raincoat
  13. 13.🧱 Which material is best for a window pane? (a) steel (b) brick (c) wood (d) glass
  14. 14.True or false: a roof sheet needs a flexible material. (a) False (b) True
  15. 15.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  16. 16.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  18. 18.🔍 Which is the odd one out? (a) graphite (b) glass (c) cotton cloth (d) dry wood
  19. 19.True or false: a window pane needs a heat insulator. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) copper (b) aluminium (c) cotton cloth (d) iron
  21. 21.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  22. 22.Which of these needs a transparent material? (a) an umbrella cover (b) a raincoat (c) a plug pin (d) a window pane
  23. 23.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  24. 24.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) clay pottery (d) steel
  25. 25.True or false: a car seat belt needs an electrical conductor. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) clay pottery (d) iron
  27. 27.🔍 Which is the odd one out? (a) copper (b) plastic (c) iron (d) graphite
  28. 28.True or false: a roof sheet needs a transparent material. (a) False (b) True
  29. 29.🧱 Which property matters most for a hair band? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  30. 30.Which of these needs a flexible material? (a) a yoga mat (b) an umbrella cover (c) the core of a wire (d) a boat hull
  31. 31.Which of these needs a heat insulator? (a) a magnifier lens (b) a yoga mat (c) a boat hull (d) a tea flask lining
  32. 32.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.True or false: a hair band needs a heat insulator. (a) False (b) True
  34. 34.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  35. 35.🧱 Which property matters most for an oven glove? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  36. 36.True or false: a car seat belt needs a transparent material. (a) True (b) False
  37. 37.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) cardboard (d) paper
  38. 38.True or false: a water tank needs a heat insulator. (a) False (b) True
  39. 39.True or false: a car seat belt needs a heat insulator. (a) True (b) False
  40. 40.Which of these needs a waterproof material? (a) a car windscreen (b) an oven glove (c) a water tank (d) a tea flask lining

Answer key

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

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