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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 524 · 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 tea flask lining? (a) waterproof (b) heat insulator (c) flexible (d) transparent
  2. 2.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  3. 3.Which of these needs a waterproof material? (a) a switch contact (b) a raincoat (c) an oven glove (d) a tea flask lining
  4. 4.🧱 Which property matters most for a skipping rope? (a) heat insulator (b) waterproof (c) flexible (d) electrical conductor
  5. 5.🧱 Is dry wood an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.Which of these needs a waterproof material? (a) a magnifier lens (b) a roof sheet (c) a car windscreen (d) a spectacle lens
  7. 7.🔍 Which is the odd one out? (a) copper (b) brass (c) steel (d) cotton cloth
  8. 8.True or false: a yoga mat needs a flexible material. (a) True (b) False
  9. 9.Which of these needs a heat insulator? (a) a raincoat (b) a tea flask lining (c) a yoga mat (d) a switch contact
  10. 10.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) steel (d) plastic
  11. 11.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) graphite (d) steel
  12. 12.🧱 Which property matters most for an umbrella cover? (a) heat insulator (b) waterproof (c) transparent (d) electrical conductor
  13. 13.🧱 Which property matters most for a switch contact? (a) transparent (b) waterproof (c) electrical conductor (d) heat insulator
  14. 14.Which of these needs a flexible material? (a) a hair band (b) an umbrella cover (c) a roof sheet (d) a water tank
  15. 15.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  16. 16.True or false: a car seat belt needs a waterproof material. (a) True (b) False
  17. 17.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.🧱 Which material is best for the core of an electric wire? (a) wood (b) glass (c) rubber (d) copper
  19. 19.🧱 Which property matters most for a raincoat? (a) flexible (b) heat insulator (c) waterproof (d) electrical conductor
  20. 20.🧱 Which property matters most for a cooking pot handle? (a) heat insulator (b) electrical conductor (c) waterproof (d) flexible
  21. 21.🧱 Which property matters most for a hair band? (a) electrical conductor (b) transparent (c) flexible (d) waterproof
  22. 22.🧱 Is clay pottery an electrical conductor or an insulator? (a) a conductor (b) an insulator
  23. 23.True or false: a skipping rope needs a flexible material. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) copper (b) brass (c) dry wood (d) iron
  25. 25.True or false: a water tank needs a waterproof material. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) clay pottery (b) iron (c) dry wood (d) plastic
  27. 27.Which of these needs a flexible material? (a) a skipping rope (b) a spectacle lens (c) a roof sheet (d) a car windscreen
  28. 28.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  29. 29.Which of these needs an electrical conductor? (a) a boat hull (b) a magnifier lens (c) a plug pin (d) a water tank
  30. 30.🔍 Which is the odd one out? (a) steel (b) plastic (c) cotton cloth (d) dry wood
  31. 31.🧱 Which material is best for a raincoat? (a) cotton wool (b) cardboard (c) paper (d) plastic-coated cloth
  32. 32.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  33. 33.True or false: a switch contact needs a waterproof material. (a) True (b) False
  34. 34.True or false: a yoga mat needs a heat insulator. (a) True (b) False
  35. 35.Which of these needs an electrical conductor? (a) a hair band (b) the core of a wire (c) a boat hull (d) a car seat belt
  36. 36.Which of these needs a flexible material? (a) a raincoat (b) a yoga mat (c) a tea flask lining (d) a spectacle lens
  37. 37.Which of these needs a transparent material? (a) a water tank (b) a car seat belt (c) a magnifier lens (d) an umbrella cover
  38. 38.🧱 Which property matters most for a car seat belt? (a) heat insulator (b) transparent (c) flexible (d) electrical conductor
  39. 39.🧱 Which property matters most for an oven glove? (a) transparent (b) waterproof (c) heat insulator (d) flexible
  40. 40.Which of these needs a waterproof material? (a) the core of a wire (b) a plug pin (c) a window pane (d) an umbrella cover

Answer key

  1. heat insulator
  2. True
  3. a raincoat
  4. flexible
  5. an insulator
  6. a roof sheet
  7. cotton cloth
  8. True
  9. a tea flask lining
  10. steel
  11. clay pottery
  12. waterproof
  13. electrical conductor
  14. a hair band
  15. a conductor
  16. False
  17. a conductor
  18. copper
  19. waterproof
  20. heat insulator
  21. flexible
  22. an insulator
  23. True
  24. dry wood
  25. True
  26. iron
  27. a skipping rope
  28. wood or plastic
  29. a plug pin
  30. steel
  31. plastic-coated cloth
  32. glass
  33. False
  34. False
  35. the core of a wire
  36. a yoga mat
  37. a magnifier lens
  38. flexible
  39. heat insulator
  40. an umbrella cover

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