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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 955 · 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) aluminium (b) dry wood (c) iron (d) steel
  2. 2.True or false: a boat hull needs a waterproof material. (a) False (b) True
  3. 3.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  4. 4.Which of these needs a flexible material? (a) an umbrella cover (b) a water tank (c) a skipping rope (d) a cooking pot handle
  5. 5.True or false: a boat hull needs an electrical conductor. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) copper (d) glass
  7. 7.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  8. 8.True or false: a water tank needs a flexible material. (a) False (b) True
  9. 9.Which of these needs a transparent material? (a) a magnifier lens (b) an oven glove (c) a car seat belt (d) a plug pin
  10. 10.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  11. 11.True or false: a window pane needs a transparent material. (a) False (b) True
  12. 12.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.Which of these needs a heat insulator? (a) a car seat belt (b) a cooking pot handle (c) a switch contact (d) a boat hull
  14. 14.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.🧱 Which material is best for a window pane? (a) brick (b) wood (c) glass (d) steel
  17. 17.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.Which of these needs a transparent material? (a) an umbrella cover (b) a car windscreen (c) a yoga mat (d) the core of a wire
  19. 19.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  20. 20.Which of these needs an electrical conductor? (a) a car seat belt (b) a window pane (c) a hair band (d) the core of a wire
  21. 21.Which of these needs a heat insulator? (a) a tea flask lining (b) a car seat belt (c) a water tank (d) a raincoat
  22. 22.Which of these needs an electrical conductor? (a) a switch contact (b) a water tank (c) a cooking pot handle (d) a car seat belt
  23. 23.🧱 Which property matters most for a water tank? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  24. 24.Which of these needs a flexible material? (a) a hair band (b) the core of a wire (c) a roof sheet (d) a raincoat
  25. 25.🔍 Which is the odd one out? (a) aluminium (b) clay pottery (c) rubber (d) cotton cloth
  26. 26.🧱 Which property matters most for a roof sheet? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  27. 27.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) glass (d) iron
  28. 28.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  29. 29.🔍 Which is the odd one out? (a) dry wood (b) cotton cloth (c) steel (d) rubber
  30. 30.True or false: a skipping rope needs a flexible material. (a) False (b) True
  31. 31.True or false: an oven glove needs a waterproof material. (a) False (b) True
  32. 32.Which of these needs a waterproof material? (a) a water tank (b) a plug pin (c) a hair band (d) the core of a wire
  33. 33.True or false: a magnifier lens needs a heat insulator. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) iron (b) glass (c) brass (d) copper
  35. 35.🧱 Which property matters most for a yoga mat? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  36. 36.🧱 Which property matters most for a skipping rope? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  37. 37.Which of these needs a heat insulator? (a) a yoga mat (b) a spectacle lens (c) an oven glove (d) a car windscreen
  38. 38.🧱 Which property matters most for a window pane? (a) heat insulator (b) flexible (c) electrical conductor (d) transparent
  39. 39.Which of these needs a waterproof material? (a) a skipping rope (b) a plug pin (c) a roof sheet (d) a switch contact
  40. 40.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. dry wood
  2. True
  3. a conductor
  4. a skipping rope
  5. False
  6. copper
  7. a conductor
  8. False
  9. a magnifier lens
  10. a conductor
  11. True
  12. a conductor
  13. a cooking pot handle
  14. an insulator
  15. an insulator
  16. glass
  17. an insulator
  18. a car windscreen
  19. wood or plastic
  20. the core of a wire
  21. a tea flask lining
  22. a switch contact
  23. waterproof
  24. a hair band
  25. aluminium
  26. waterproof
  27. iron
  28. plastic-coated cloth
  29. steel
  30. True
  31. False
  32. a water tank
  33. False
  34. glass
  35. flexible
  36. flexible
  37. an oven glove
  38. transparent
  39. a roof sheet
  40. an insulator

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