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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 164 · 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 is the odd one out? (a) copper (b) rubber (c) cotton cloth (d) clay pottery
  2. 2.True or false: a skipping rope needs a flexible material. (a) False (b) True
  3. 3.🧱 Which material is best for a cooking pot handle? (a) copper (b) aluminium (c) iron (d) wood or plastic
  4. 4.🧱 Which property matters most for a spectacle lens? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  5. 5.True or false: the core of a wire needs an electrical conductor. (a) True (b) False
  6. 6.True or false: a boat hull needs a waterproof material. (a) True (b) False
  7. 7.Which of these needs a flexible material? (a) a spectacle lens (b) a car seat belt (c) a magnifier lens (d) a roof sheet
  8. 8.True or false: a water tank needs a transparent material. (a) True (b) False
  9. 9.Which of these needs a heat insulator? (a) a roof sheet (b) an oven glove (c) a raincoat (d) a plug pin
  10. 10.🔍 Which is the odd one out? (a) copper (b) steel (c) rubber (d) iron
  11. 11.Which of these needs a transparent material? (a) a window pane (b) a boat hull (c) an oven glove (d) a hair band
  12. 12.Which of these needs a heat insulator? (a) a hair band (b) a switch contact (c) a tea flask lining (d) a car windscreen
  13. 13.Which of these needs a waterproof material? (a) a car seat belt (b) a magnifier lens (c) a plug pin (d) a roof sheet
  14. 14.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) plastic-coated cloth (d) paper
  15. 15.🧱 Which material is best for the bars inside concrete? (a) plastic (b) steel (c) glass (d) rubber
  16. 16.🔍 Which is the odd one out? (a) steel (b) iron (c) aluminium (d) cotton cloth
  17. 17.🔍 Which is the odd one out? (a) brass (b) dry wood (c) glass (d) clay pottery
  18. 18.🧱 Which property matters most for an oven glove? (a) transparent (b) flexible (c) waterproof (d) heat insulator
  19. 19.True or false: a hair band needs a flexible material. (a) True (b) False
  20. 20.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.True or false: a water tank needs a waterproof material. (a) True (b) False
  22. 22.True or false: a cooking pot handle needs a transparent material. (a) True (b) False
  23. 23.Which of these needs an electrical conductor? (a) a car seat belt (b) a window pane (c) the core of a wire (d) a boat hull
  24. 24.🧱 Which material is best for the core of an electric wire? (a) rubber (b) wood (c) copper (d) glass
  25. 25.🔍 Which is the odd one out? (a) iron (b) copper (c) plastic (d) graphite
  26. 26.Which of these needs an electrical conductor? (a) a hair band (b) a magnifier lens (c) a switch contact (d) an umbrella cover
  27. 27.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🧱 Which property matters most for a plug pin? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  29. 29.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  30. 30.🧱 Which property matters most for a magnifier lens? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  31. 31.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) aluminium (d) plastic
  33. 33.Which of these needs a flexible material? (a) a water tank (b) an umbrella cover (c) a roof sheet (d) a skipping rope
  34. 34.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) clay pottery (d) plastic
  35. 35.Which of these needs a waterproof material? (a) a magnifier lens (b) a spectacle lens (c) a water tank (d) a tea flask lining
  36. 36.Which of these needs a waterproof material? (a) a spectacle lens (b) a tea flask lining (c) a window pane (d) an umbrella cover
  37. 37.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  38. 38.True or false: a cooking pot handle needs a heat insulator. (a) False (b) True
  39. 39.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.🔍 Which is the odd one out? (a) dry wood (b) iron (c) steel (d) brass

Answer key

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

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