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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 970 · 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 of these needs a transparent material? (a) a switch contact (b) a plug pin (c) a car windscreen (d) a tea flask lining
  2. 2.🔍 Which is the odd one out? (a) plastic (b) clay pottery (c) dry wood (d) iron
  3. 3.🧱 Which property matters most for a water tank? (a) electrical conductor (b) waterproof (c) transparent (d) flexible
  4. 4.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) clay pottery (d) steel
  5. 5.🔍 Which is the odd one out? (a) iron (b) aluminium (c) rubber (d) copper
  6. 6.Which of these needs an electrical conductor? (a) a magnifier lens (b) a switch contact (c) a hair band (d) a car windscreen
  7. 7.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.🧱 Which property matters most for an umbrella cover? (a) electrical conductor (b) flexible (c) heat insulator (d) waterproof
  9. 9.Which of these needs a waterproof material? (a) a cooking pot handle (b) an oven glove (c) a boat hull (d) a skipping rope
  10. 10.🧱 Which material is best for a window pane? (a) steel (b) glass (c) brick (d) wood
  11. 11.True or false: a hair band needs a transparent material. (a) True (b) False
  12. 12.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber
  13. 13.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) glass (d) rubber
  14. 14.🔍 Which is the odd one out? (a) brass (b) steel (c) graphite (d) plastic
  15. 15.🧱 Which material is best for a raincoat? (a) cardboard (b) plastic-coated cloth (c) paper (d) cotton wool
  16. 16.True or false: the core of a wire needs a transparent material. (a) False (b) True
  17. 17.🧱 Which property matters most for a hair band? (a) flexible (b) heat insulator (c) electrical conductor (d) waterproof
  18. 18.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  19. 19.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) waterproof (c) flexible (d) heat insulator
  20. 20.🧱 Which property matters most for a yoga mat? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  21. 21.Which of these needs an electrical conductor? (a) an oven glove (b) a water tank (c) a car seat belt (d) a plug pin
  22. 22.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  23. 23.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  24. 24.🧱 Is copper an electrical conductor or an insulator? (a) an insulator (b) a conductor
  25. 25.🧱 Which property matters most for a switch contact? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  26. 26.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  27. 27.Which of these needs a transparent material? (a) a cooking pot handle (b) a plug pin (c) a magnifier lens (d) an umbrella cover
  28. 28.Which of these needs a waterproof material? (a) a yoga mat (b) a spectacle lens (c) a switch contact (d) a water tank
  29. 29.🧱 Is dry wood an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.Which of these needs a transparent material? (a) an oven glove (b) a hair band (c) a window pane (d) a tea flask lining
  31. 31.🔍 Which is the odd one out? (a) glass (b) plastic (c) aluminium (d) rubber
  32. 32.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  33. 33.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  34. 34.True or false: a boat hull needs a waterproof material. (a) True (b) False
  35. 35.True or false: the core of a wire needs a flexible material. (a) False (b) True
  36. 36.True or false: a water tank needs a waterproof material. (a) False (b) True
  37. 37.True or false: a water tank needs a flexible material. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) aluminium (b) iron (c) dry wood (d) graphite
  39. 39.Which of these needs a transparent material? (a) a yoga mat (b) a spectacle lens (c) a raincoat (d) an umbrella cover
  40. 40.🔍 Which is the odd one out? (a) rubber (b) plastic (c) brass (d) glass

Answer key

  1. a car windscreen
  2. iron
  3. waterproof
  4. steel
  5. rubber
  6. a switch contact
  7. a conductor
  8. waterproof
  9. a boat hull
  10. glass
  11. False
  12. steel
  13. copper
  14. plastic
  15. plastic-coated cloth
  16. False
  17. flexible
  18. False
  19. heat insulator
  20. flexible
  21. a plug pin
  22. an insulator
  23. an insulator
  24. a conductor
  25. electrical conductor
  26. a conductor
  27. a magnifier lens
  28. a water tank
  29. an insulator
  30. a window pane
  31. aluminium
  32. flexible
  33. heat insulator
  34. True
  35. False
  36. True
  37. False
  38. dry wood
  39. a spectacle lens
  40. brass

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