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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 997 · 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 a window pane? (a) glass (b) brick (c) wood (d) steel
  2. 2.True or false: an oven glove needs a heat insulator. (a) False (b) True
  3. 3.🧱 Which property matters most for a raincoat? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  4. 4.Which of these needs a waterproof material? (a) the core of a wire (b) a raincoat (c) a skipping rope (d) a magnifier lens
  5. 5.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  6. 6.🧱 Is cotton cloth an electrical conductor or an insulator? (a) a conductor (b) an insulator
  7. 7.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  8. 8.Which of these needs a heat insulator? (a) a yoga mat (b) a cooking pot handle (c) a spectacle lens (d) the core of a wire
  9. 9.🧱 Which material is best for the bars inside concrete? (a) rubber (b) glass (c) plastic (d) steel
  10. 10.Which of these needs a heat insulator? (a) an oven glove (b) a skipping rope (c) a switch contact (d) a plug pin
  11. 11.🧱 Which property matters most for a roof sheet? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  12. 12.🧱 Is iron an electrical conductor or an insulator? (a) an insulator (b) a conductor
  13. 13.Which of these needs a transparent material? (a) a yoga mat (b) an umbrella cover (c) an oven glove (d) a window pane
  14. 14.Which of these needs an electrical conductor? (a) a skipping rope (b) a roof sheet (c) a plug pin (d) a water tank
  15. 15.True or false: a cooking pot handle needs an electrical conductor. (a) False (b) True
  16. 16.Which of these needs a flexible material? (a) a switch contact (b) a magnifier lens (c) a car seat belt (d) a boat hull
  17. 17.True or false: a water tank needs a waterproof material. (a) False (b) True
  18. 18.🧱 Which material is best for a cooking pot handle? (a) iron (b) wood or plastic (c) copper (d) aluminium
  19. 19.🧱 Is steel an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) wood (d) copper
  21. 21.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) waterproof (c) heat insulator (d) transparent
  22. 22.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🔍 Which is the odd one out? (a) aluminium (b) steel (c) graphite (d) plastic
  24. 24.🔍 Which is the odd one out? (a) steel (b) copper (c) clay pottery (d) aluminium
  25. 25.🧱 Which material is best for a raincoat? (a) cardboard (b) cotton wool (c) paper (d) plastic-coated cloth
  26. 26.🔍 Which is the odd one out? (a) steel (b) aluminium (c) iron (d) dry wood
  27. 27.True or false: a hair band needs a flexible material. (a) False (b) True
  28. 28.True or false: the core of a wire needs a flexible material. (a) True (b) False
  29. 29.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  30. 30.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  32. 32.True or false: a boat hull needs a waterproof material. (a) False (b) True
  33. 33.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  34. 34.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) transparent (c) electrical conductor (d) flexible
  35. 35.🧱 Which property matters most for a magnifier lens? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  36. 36.Which of these needs an electrical conductor? (a) a raincoat (b) a cooking pot handle (c) a water tank (d) the core of a wire
  37. 37.🔍 Which is the odd one out? (a) steel (b) iron (c) copper (d) glass
  38. 38.🔍 Which is the odd one out? (a) graphite (b) rubber (c) steel (d) copper
  39. 39.True or false: a skipping rope needs a heat insulator. (a) True (b) False
  40. 40.Which of these needs a flexible material? (a) an umbrella cover (b) a yoga mat (c) a roof sheet (d) a water tank

Answer key

  1. glass
  2. True
  3. waterproof
  4. a raincoat
  5. an insulator
  6. an insulator
  7. True
  8. a cooking pot handle
  9. steel
  10. an oven glove
  11. waterproof
  12. a conductor
  13. a window pane
  14. a plug pin
  15. False
  16. a car seat belt
  17. True
  18. wood or plastic
  19. a conductor
  20. copper
  21. transparent
  22. a conductor
  23. plastic
  24. clay pottery
  25. plastic-coated cloth
  26. dry wood
  27. True
  28. False
  29. True
  30. an insulator
  31. waterproof
  32. True
  33. True
  34. flexible
  35. transparent
  36. the core of a wire
  37. glass
  38. rubber
  39. False
  40. a yoga mat

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