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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 716 · 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 raincoat? (a) transparent (b) flexible (c) waterproof (d) electrical conductor
  2. 2.🧱 Which property matters most for a hair band? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  3. 3.True or false: a water tank needs a waterproof material. (a) True (b) False
  4. 4.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) electrical conductor (c) flexible (d) transparent
  5. 5.Which of these needs a waterproof material? (a) a skipping rope (b) a car seat belt (c) an umbrella cover (d) a hair band
  6. 6.🧱 Which material is best for a window pane? (a) steel (b) glass (c) brick (d) wood
  7. 7.🔍 Which is the odd one out? (a) dry wood (b) clay pottery (c) iron (d) rubber
  8. 8.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) electrical conductor (c) transparent (d) flexible
  9. 9.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  10. 10.True or false: a car seat belt needs a heat insulator. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) graphite (d) steel
  12. 12.🧱 Which property matters most for a switch contact? (a) waterproof (b) flexible (c) transparent (d) electrical conductor
  13. 13.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Which property matters most for a water tank? (a) heat insulator (b) electrical conductor (c) waterproof (d) transparent
  15. 15.Which of these needs a flexible material? (a) a boat hull (b) an oven glove (c) a car seat belt (d) a spectacle lens
  16. 16.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) iron (c) copper (d) wood or plastic
  17. 17.Which of these needs a heat insulator? (a) a boat hull (b) a raincoat (c) a plug pin (d) a tea flask lining
  18. 18.True or false: a raincoat needs a waterproof material. (a) True (b) False
  19. 19.🧱 Which material is best for the bars inside concrete? (a) plastic (b) rubber (c) steel (d) glass
  20. 20.Which of these needs a heat insulator? (a) a yoga mat (b) a raincoat (c) an oven glove (d) a magnifier lens
  21. 21.Which of these needs a flexible material? (a) a car windscreen (b) a boat hull (c) a cooking pot handle (d) a hair band
  22. 22.True or false: a yoga mat needs a waterproof material. (a) True (b) False
  23. 23.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) plastic (b) cotton cloth (c) graphite (d) rubber
  26. 26.🔍 Which is the odd one out? (a) steel (b) glass (c) rubber (d) dry wood
  27. 27.🧱 Which material is best for a raincoat? (a) cotton wool (b) paper (c) plastic-coated cloth (d) cardboard
  28. 28.True or false: a spectacle lens needs a waterproof material. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) copper (b) aluminium (c) iron (d) rubber
  30. 30.🔍 Which is the odd one out? (a) brass (b) plastic (c) graphite (d) aluminium
  31. 31.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  32. 32.🧱 Which property matters most for a plug pin? (a) electrical conductor (b) heat insulator (c) waterproof (d) flexible
  33. 33.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  34. 34.True or false: a roof sheet needs a heat insulator. (a) True (b) False
  35. 35.Which of these needs a heat insulator? (a) a plug pin (b) a hair band (c) a cooking pot handle (d) an umbrella cover
  36. 36.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  37. 37.True or false: a skipping rope needs a flexible material. (a) True (b) False
  38. 38.🧱 Is glass an electrical conductor or an insulator? (a) a conductor (b) an insulator
  39. 39.Which of these needs a waterproof material? (a) a car windscreen (b) a skipping rope (c) a roof sheet (d) a magnifier lens
  40. 40.🧱 Which property matters most for a yoga mat? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible

Answer key

  1. waterproof
  2. flexible
  3. True
  4. waterproof
  5. an umbrella cover
  6. glass
  7. iron
  8. flexible
  9. copper
  10. False
  11. cotton cloth
  12. electrical conductor
  13. an insulator
  14. waterproof
  15. a car seat belt
  16. wood or plastic
  17. a tea flask lining
  18. True
  19. steel
  20. an oven glove
  21. a hair band
  22. False
  23. a conductor
  24. False
  25. graphite
  26. steel
  27. plastic-coated cloth
  28. False
  29. rubber
  30. plastic
  31. a conductor
  32. electrical conductor
  33. a conductor
  34. False
  35. a cooking pot handle
  36. False
  37. True
  38. an insulator
  39. a roof sheet
  40. flexible

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