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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 494 · 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 material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber
  2. 2.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  3. 3.🔍 Which is the odd one out? (a) clay pottery (b) glass (c) iron (d) plastic
  4. 4.Which of these needs a flexible material? (a) a skipping rope (b) a water tank (c) a roof sheet (d) a plug pin
  5. 5.🧱 Which property matters most for an oven glove? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  6. 6.🧱 Which material is best for the core of an electric wire? (a) wood (b) rubber (c) copper (d) glass
  7. 7.Which of these needs a heat insulator? (a) a water tank (b) a magnifier lens (c) a cooking pot handle (d) a raincoat
  8. 8.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  9. 9.🧱 Which material is best for a window pane? (a) wood (b) steel (c) brick (d) glass
  10. 10.🔍 Which is the odd one out? (a) steel (b) copper (c) brass (d) rubber
  11. 11.Which of these needs a flexible material? (a) a spectacle lens (b) the core of a wire (c) a hair band (d) a magnifier lens
  12. 12.True or false: a raincoat needs a waterproof material. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) aluminium (b) copper (c) plastic (d) graphite
  14. 14.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.🔍 Which is the odd one out? (a) iron (b) graphite (c) steel (d) glass
  16. 16.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  17. 17.Which of these needs an electrical conductor? (a) a car windscreen (b) the core of a wire (c) a hair band (d) a tea flask lining
  18. 18.True or false: a magnifier lens needs a flexible material. (a) False (b) True
  19. 19.🧱 Which property matters most for a magnifier lens? (a) flexible (b) waterproof (c) heat insulator (d) transparent
  20. 20.🧱 Which property matters most for a raincoat? (a) waterproof (b) transparent (c) electrical conductor (d) heat insulator
  21. 21.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) brass (d) glass
  22. 22.True or false: a skipping rope needs a flexible material. (a) True (b) False
  23. 23.🧱 Is cotton cloth an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Which property matters most for a car seat belt? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  25. 25.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  27. 27.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  28. 28.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  29. 29.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🧱 Which property matters most for a skipping rope? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  31. 31.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) cotton cloth (b) dry wood (c) steel (d) rubber
  33. 33.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  34. 34.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  35. 35.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  36. 36.Which of these needs an electrical conductor? (a) an oven glove (b) a spectacle lens (c) a plug pin (d) a boat hull
  37. 37.True or false: a skipping rope needs a transparent material. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) rubber (b) plastic (c) dry wood (d) graphite
  39. 39.Which of these needs a transparent material? (a) a roof sheet (b) a magnifier lens (c) a hair band (d) an oven glove
  40. 40.Which of these needs a waterproof material? (a) a raincoat (b) a magnifier lens (c) a yoga mat (d) a skipping rope

Answer key

  1. steel
  2. waterproof
  3. iron
  4. a skipping rope
  5. heat insulator
  6. copper
  7. a cooking pot handle
  8. a conductor
  9. glass
  10. rubber
  11. a hair band
  12. True
  13. plastic
  14. a conductor
  15. glass
  16. an insulator
  17. the core of a wire
  18. False
  19. transparent
  20. waterproof
  21. brass
  22. True
  23. an insulator
  24. flexible
  25. an insulator
  26. waterproof
  27. an insulator
  28. transparent
  29. an insulator
  30. flexible
  31. False
  32. steel
  33. plastic-coated cloth
  34. True
  35. wood or plastic
  36. a plug pin
  37. False
  38. graphite
  39. a magnifier lens
  40. a raincoat

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