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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 606 · 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.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  2. 2.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  3. 3.Which of these needs a heat insulator? (a) an umbrella cover (b) a boat hull (c) a cooking pot handle (d) a roof sheet
  4. 4.True or false: a tea flask lining needs a flexible material. (a) False (b) True
  5. 5.Which of these needs a waterproof material? (a) a tea flask lining (b) a water tank (c) a hair band (d) a skipping rope
  6. 6.🧱 Which property matters most for the core of a wire? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  7. 7.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) transparent (c) flexible (d) heat insulator
  8. 8.Which of these needs a waterproof material? (a) a car seat belt (b) a hair band (c) a yoga mat (d) a roof sheet
  9. 9.🧱 Which property matters most for a roof sheet? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  10. 10.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  11. 11.True or false: a car seat belt needs a transparent material. (a) True (b) False
  12. 12.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  13. 13.True or false: a water tank needs an electrical conductor. (a) False (b) True
  14. 14.True or false: a roof sheet needs a heat insulator. (a) True (b) False
  15. 15.Which of these needs a waterproof material? (a) an umbrella cover (b) a spectacle lens (c) the core of a wire (d) a switch contact
  16. 16.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  17. 17.🧱 Which property matters most for a boat hull? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  18. 18.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.True or false: an oven glove needs a heat insulator. (a) True (b) False
  20. 20.Which of these needs an electrical conductor? (a) a boat hull (b) a skipping rope (c) a plug pin (d) a window pane
  21. 21.🔍 Which is the odd one out? (a) iron (b) cotton cloth (c) rubber (d) plastic
  22. 22.🔍 Which is the odd one out? (a) brass (b) steel (c) plastic (d) iron
  23. 23.🧱 Which property matters most for a cooking pot handle? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  24. 24.True or false: a magnifier lens needs a transparent material. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) glass (b) cotton cloth (c) clay pottery (d) aluminium
  26. 26.True or false: a raincoat needs a transparent material. (a) False (b) True
  27. 27.Which of these needs a waterproof material? (a) a switch contact (b) a raincoat (c) a spectacle lens (d) a magnifier lens
  28. 28.Which of these needs a heat insulator? (a) a raincoat (b) a skipping rope (c) an umbrella cover (d) an oven glove
  29. 29.Which of these needs a flexible material? (a) a raincoat (b) a plug pin (c) a skipping rope (d) a boat hull
  30. 30.Which of these needs an electrical conductor? (a) a water tank (b) the core of a wire (c) a raincoat (d) a roof sheet
  31. 31.🧱 Which property matters most for an oven glove? (a) electrical conductor (b) flexible (c) waterproof (d) heat insulator
  32. 32.True or false: an oven glove needs a flexible material. (a) False (b) True
  33. 33.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.Which of these needs a flexible material? (a) an oven glove (b) a roof sheet (c) a water tank (d) a hair band
  35. 35.🔍 Which is the odd one out? (a) graphite (b) iron (c) brass (d) cotton cloth
  36. 36.True or false: a switch contact needs a waterproof material. (a) False (b) True
  37. 37.🧱 Which property matters most for a water tank? (a) electrical conductor (b) flexible (c) transparent (d) waterproof
  38. 38.Which of these needs a transparent material? (a) a boat hull (b) a hair band (c) a magnifier lens (d) a tea flask lining
  39. 39.🧱 Which property matters most for a plug pin? (a) waterproof (b) transparent (c) flexible (d) electrical conductor
  40. 40.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) plastic (d) steel

Answer key

  1. an insulator
  2. True
  3. a cooking pot handle
  4. False
  5. a water tank
  6. electrical conductor
  7. waterproof
  8. a roof sheet
  9. waterproof
  10. plastic-coated cloth
  11. False
  12. True
  13. False
  14. False
  15. an umbrella cover
  16. a conductor
  17. waterproof
  18. an insulator
  19. True
  20. a plug pin
  21. iron
  22. plastic
  23. heat insulator
  24. True
  25. aluminium
  26. False
  27. a raincoat
  28. an oven glove
  29. a skipping rope
  30. the core of a wire
  31. heat insulator
  32. False
  33. a conductor
  34. a hair band
  35. cotton cloth
  36. False
  37. waterproof
  38. a magnifier lens
  39. electrical conductor
  40. steel

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