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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 940 · 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 magnifier lens needs a waterproof material. (a) True (b) False
  2. 2.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  3. 3.🔍 Which is the odd one out? (a) rubber (b) clay pottery (c) steel (d) cotton cloth
  4. 4.🧱 Which material is best for a window pane? (a) steel (b) wood (c) brick (d) glass
  5. 5.🔍 Which is the odd one out? (a) dry wood (b) plastic (c) cotton cloth (d) aluminium
  6. 6.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) electrical conductor (c) flexible (d) heat insulator
  7. 7.True or false: a plug pin needs a waterproof material. (a) True (b) False
  8. 8.Which of these needs a heat insulator? (a) a roof sheet (b) an umbrella cover (c) a magnifier lens (d) a tea flask lining
  9. 9.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) cotton wool (d) paper
  10. 10.🔍 Which is the odd one out? (a) glass (b) dry wood (c) graphite (d) cotton cloth
  11. 11.🧱 Which property matters most for a car windscreen? (a) flexible (b) transparent (c) electrical conductor (d) waterproof
  12. 12.Which of these needs a transparent material? (a) a magnifier lens (b) a water tank (c) a roof sheet (d) an umbrella cover
  13. 13.🔍 Which is the odd one out? (a) rubber (b) aluminium (c) graphite (d) iron
  14. 14.True or false: a window pane needs a transparent material. (a) False (b) True
  15. 15.🧱 Which property matters most for an oven glove? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  16. 16.🔍 Which is the odd one out? (a) graphite (b) iron (c) copper (d) clay pottery
  17. 17.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) copper (c) iron (d) wood or plastic
  18. 18.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  19. 19.🔍 Which is the odd one out? (a) copper (b) plastic (c) iron (d) aluminium
  20. 20.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  21. 21.🧱 Which property matters most for a window pane? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  22. 22.Which of these needs a flexible material? (a) a hair band (b) the core of a wire (c) a water tank (d) a switch contact
  23. 23.Which of these needs a waterproof material? (a) a switch contact (b) a spectacle lens (c) a boat hull (d) a car seat belt
  24. 24.Which of these needs a heat insulator? (a) a water tank (b) a cooking pot handle (c) an umbrella cover (d) a car seat belt
  25. 25.True or false: a raincoat needs a waterproof material. (a) True (b) False
  26. 26.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  27. 27.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) rubber (d) wood
  28. 28.🧱 Which property matters most for a tea flask lining? (a) electrical conductor (b) heat insulator (c) transparent (d) waterproof
  29. 29.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) heat insulator (d) flexible
  30. 30.Which of these needs a waterproof material? (a) a raincoat (b) an oven glove (c) a spectacle lens (d) a car seat belt
  31. 31.🧱 Which property matters most for a boat hull? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  32. 32.True or false: a water tank needs a transparent material. (a) False (b) True
  33. 33.True or false: the core of a wire needs an electrical conductor. (a) False (b) True
  34. 34.Which of these needs an electrical conductor? (a) a car windscreen (b) a yoga mat (c) a switch contact (d) a hair band
  35. 35.🧱 Which property matters most for a hair band? (a) transparent (b) electrical conductor (c) waterproof (d) flexible
  36. 36.🧱 Which property matters most for a spectacle lens? (a) flexible (b) heat insulator (c) transparent (d) waterproof
  37. 37.True or false: a spectacle lens needs a flexible material. (a) True (b) False
  38. 38.True or false: a plug pin needs a flexible material. (a) False (b) True
  39. 39.🧱 Which property matters most for a magnifier lens? (a) waterproof (b) transparent (c) electrical conductor (d) flexible
  40. 40.Which of these needs a transparent material? (a) a raincoat (b) a plug pin (c) a yoga mat (d) a car windscreen

Answer key

  1. False
  2. an insulator
  3. steel
  4. glass
  5. aluminium
  6. heat insulator
  7. False
  8. a tea flask lining
  9. plastic-coated cloth
  10. graphite
  11. transparent
  12. a magnifier lens
  13. rubber
  14. True
  15. heat insulator
  16. clay pottery
  17. wood or plastic
  18. electrical conductor
  19. plastic
  20. True
  21. transparent
  22. a hair band
  23. a boat hull
  24. a cooking pot handle
  25. True
  26. False
  27. copper
  28. heat insulator
  29. flexible
  30. a raincoat
  31. waterproof
  32. False
  33. True
  34. a switch contact
  35. flexible
  36. transparent
  37. False
  38. False
  39. transparent
  40. a car windscreen

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