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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 59 · 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 property matters most for a roof sheet? (a) waterproof (b) flexible (c) heat insulator (d) electrical conductor
  2. 2.True or false: a hair band needs a waterproof material. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) clay pottery (b) cotton cloth (c) graphite (d) dry wood
  4. 4.Which of these needs a heat insulator? (a) a hair band (b) a raincoat (c) an oven glove (d) a magnifier lens
  5. 5.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) cardboard (d) plastic-coated cloth
  6. 6.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) brass (d) copper
  7. 7.Which of these needs a flexible material? (a) a hair band (b) a roof sheet (c) a cooking pot handle (d) a tea flask lining
  8. 8.🧱 Which property matters most for a water tank? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  9. 9.🧱 Which property matters most for a spectacle lens? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  10. 10.🔍 Which is the odd one out? (a) iron (b) aluminium (c) clay pottery (d) steel
  11. 11.🔍 Which is the odd one out? (a) copper (b) dry wood (c) plastic (d) clay pottery
  12. 12.Which of these needs a waterproof material? (a) a roof sheet (b) a plug pin (c) a car seat belt (d) a hair band
  13. 13.Which of these needs an electrical conductor? (a) an oven glove (b) a raincoat (c) a switch contact (d) a spectacle lens
  14. 14.🧱 Which material is best for a window pane? (a) brick (b) wood (c) steel (d) glass
  15. 15.True or false: a window pane needs a heat insulator. (a) False (b) True
  16. 16.Which of these needs a transparent material? (a) a boat hull (b) a window pane (c) an umbrella cover (d) a raincoat
  17. 17.Which of these needs an electrical conductor? (a) a skipping rope (b) a magnifier lens (c) a tea flask lining (d) the core of a wire
  18. 18.Which of these needs a flexible material? (a) an umbrella cover (b) a window pane (c) a car seat belt (d) a raincoat
  19. 19.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  20. 20.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.True or false: a roof sheet needs a waterproof material. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) aluminium (b) glass (c) iron (d) steel
  23. 23.🔍 Which is the odd one out? (a) steel (b) plastic (c) copper (d) iron
  24. 24.Which of these needs a waterproof material? (a) a car seat belt (b) a hair band (c) a raincoat (d) a plug pin
  25. 25.Which of these needs a flexible material? (a) a magnifier lens (b) an umbrella cover (c) a yoga mat (d) a car windscreen
  26. 26.True or false: a skipping rope needs an electrical conductor. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) cotton cloth (b) aluminium (c) graphite (d) brass
  28. 28.🧱 Which property matters most for a plug pin? (a) flexible (b) transparent (c) waterproof (d) electrical conductor
  29. 29.Which of these needs a heat insulator? (a) a roof sheet (b) a plug pin (c) a cooking pot handle (d) a yoga mat
  30. 30.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  31. 31.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  32. 32.True or false: an umbrella cover needs a flexible material. (a) False (b) True
  33. 33.Which of these needs a waterproof material? (a) a boat hull (b) a car seat belt (c) a magnifier lens (d) a yoga mat
  34. 34.🧱 Which material is best for the bars inside concrete? (a) glass (b) steel (c) plastic (d) rubber
  35. 35.True or false: a hair band needs an electrical conductor. (a) True (b) False
  36. 36.True or false: an oven glove needs a heat insulator. (a) False (b) True
  37. 37.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) copper (d) wood or plastic
  38. 38.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) rubber (d) clay pottery
  39. 39.🧱 Which property matters most for a car windscreen? (a) flexible (b) waterproof (c) transparent (d) heat insulator
  40. 40.True or false: an umbrella cover needs a waterproof material. (a) False (b) True

Answer key

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

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