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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 873 · 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 of these needs a waterproof material? (a) a magnifier lens (b) a spectacle lens (c) a raincoat (d) a car seat belt
  2. 2.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) clay pottery (d) iron
  3. 3.🧱 Which property matters most for a water tank? (a) transparent (b) flexible (c) electrical conductor (d) waterproof
  4. 4.Which of these needs a transparent material? (a) a hair band (b) a skipping rope (c) a boat hull (d) a car windscreen
  5. 5.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) glass (d) steel
  6. 6.True or false: a skipping rope needs a flexible material. (a) False (b) True
  7. 7.🧱 Is brass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.Which of these needs a waterproof material? (a) a plug pin (b) a magnifier lens (c) a car seat belt (d) a water tank
  9. 9.🧱 Which property matters most for a car windscreen? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  10. 10.True or false: the core of a wire needs a waterproof material. (a) False (b) True
  11. 11.🧱 Which material is best for a window pane? (a) steel (b) brick (c) wood (d) glass
  12. 12.True or false: a car windscreen needs a flexible material. (a) True (b) False
  13. 13.Which of these needs a heat insulator? (a) a skipping rope (b) a roof sheet (c) an oven glove (d) a boat hull
  14. 14.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Which property matters most for an umbrella cover? (a) transparent (b) waterproof (c) heat insulator (d) electrical conductor
  16. 16.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  17. 17.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) wood (d) glass
  18. 18.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  19. 19.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) plastic-coated cloth (d) paper
  20. 20.Which of these needs an electrical conductor? (a) a roof sheet (b) a tea flask lining (c) a raincoat (d) a plug pin
  21. 21.True or false: a raincoat needs a waterproof material. (a) True (b) False
  22. 22.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.Which of these needs a flexible material? (a) an oven glove (b) a skipping rope (c) a magnifier lens (d) a boat hull
  24. 24.Which of these needs a flexible material? (a) a switch contact (b) a water tank (c) a magnifier lens (d) a hair band
  25. 25.Which of these needs a waterproof material? (a) a boat hull (b) a yoga mat (c) a window pane (d) a switch contact
  26. 26.True or false: a boat hull needs a waterproof material. (a) False (b) True
  27. 27.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  28. 28.True or false: a car seat belt needs a waterproof material. (a) False (b) True
  29. 29.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🔍 Which is the odd one out? (a) aluminium (b) plastic (c) dry wood (d) rubber
  31. 31.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  32. 32.Which of these needs a transparent material? (a) a boat hull (b) a car seat belt (c) a water tank (d) a window pane
  33. 33.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.🧱 Which property matters most for a boat hull? (a) heat insulator (b) flexible (c) waterproof (d) electrical conductor
  35. 35.Which of these needs a waterproof material? (a) a roof sheet (b) the core of a wire (c) a window pane (d) a cooking pot handle
  36. 36.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  37. 37.True or false: a car seat belt needs a heat insulator. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) graphite (b) aluminium (c) copper (d) dry wood
  39. 39.🔍 Which is the odd one out? (a) brass (b) glass (c) cotton cloth (d) plastic
  40. 40.🧱 Which material is best for a cooking pot handle? (a) iron (b) copper (c) wood or plastic (d) aluminium

Answer key

  1. a raincoat
  2. clay pottery
  3. waterproof
  4. a car windscreen
  5. steel
  6. True
  7. a conductor
  8. a water tank
  9. transparent
  10. False
  11. glass
  12. False
  13. an oven glove
  14. an insulator
  15. waterproof
  16. transparent
  17. copper
  18. True
  19. plastic-coated cloth
  20. a plug pin
  21. True
  22. a conductor
  23. a skipping rope
  24. a hair band
  25. a boat hull
  26. True
  27. an insulator
  28. False
  29. an insulator
  30. aluminium
  31. a conductor
  32. a window pane
  33. an insulator
  34. waterproof
  35. a roof sheet
  36. False
  37. False
  38. dry wood
  39. brass
  40. wood or plastic

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