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Engineering Worksheet: Materials

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

Answer key

  1. True
  2. steel
  3. a car seat belt
  4. a water tank
  5. waterproof
  6. electrical conductor
  7. a yoga mat
  8. flexible
  9. a roof sheet
  10. a conductor
  11. an insulator
  12. iron
  13. False
  14. rubber
  15. clay pottery
  16. plastic
  17. plastic-coated cloth
  18. a plug pin
  19. False
  20. dry wood
  21. True
  22. a tea flask lining
  23. an insulator
  24. wood or plastic
  25. an insulator
  26. transparent
  27. cotton cloth
  28. glass
  29. False
  30. copper
  31. a conductor
  32. True
  33. glass
  34. a spectacle lens
  35. a cooking pot handle
  36. a switch contact
  37. an insulator
  38. copper
  39. False
  40. a window pane

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