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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 193 · 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 an oven glove? (a) transparent (b) electrical conductor (c) heat insulator (d) waterproof
  2. 2.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cotton wool (d) cardboard
  3. 3.🧱 Which property matters most for a water tank? (a) electrical conductor (b) waterproof (c) transparent (d) heat insulator
  4. 4.🔍 Which is the odd one out? (a) brass (b) rubber (c) cotton cloth (d) clay pottery
  5. 5.True or false: a window pane needs a flexible material. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) aluminium (b) iron (c) dry wood (d) graphite
  7. 7.🧱 Which material is best for a window pane? (a) brick (b) glass (c) steel (d) wood
  8. 8.True or false: a hair band needs a waterproof material. (a) True (b) False
  9. 9.True or false: a plug pin needs a flexible material. (a) True (b) False
  10. 10.Which of these needs a transparent material? (a) a magnifier lens (b) a skipping rope (c) a car seat belt (d) a boat hull
  11. 11.🔍 Which is the odd one out? (a) cotton cloth (b) brass (c) aluminium (d) iron
  12. 12.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) aluminium (d) iron
  13. 13.🧱 Which property matters most for a magnifier lens? (a) transparent (b) heat insulator (c) waterproof (d) electrical conductor
  14. 14.Which of these needs a heat insulator? (a) a tea flask lining (b) a raincoat (c) a skipping rope (d) a magnifier lens
  15. 15.🔍 Which is the odd one out? (a) plastic (b) steel (c) cotton cloth (d) glass
  16. 16.🧱 Which property matters most for a tea flask lining? (a) heat insulator (b) waterproof (c) electrical conductor (d) flexible
  17. 17.🧱 Which property matters most for a raincoat? (a) transparent (b) electrical conductor (c) waterproof (d) heat insulator
  18. 18.🧱 Is graphite an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.Which of these needs a heat insulator? (a) a roof sheet (b) a spectacle lens (c) a boat hull (d) an oven glove
  20. 20.Which of these needs an electrical conductor? (a) a raincoat (b) a car seat belt (c) a switch contact (d) a roof sheet
  21. 21.🧱 Which property matters most for a window pane? (a) electrical conductor (b) transparent (c) flexible (d) heat insulator
  22. 22.🔍 Which is the odd one out? (a) dry wood (b) glass (c) clay pottery (d) iron
  23. 23.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.🔍 Which is the odd one out? (a) glass (b) iron (c) steel (d) graphite
  25. 25.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  26. 26.🧱 Which property matters most for the core of a wire? (a) transparent (b) electrical conductor (c) flexible (d) waterproof
  27. 27.Which of these needs a waterproof material? (a) a car windscreen (b) an oven glove (c) a hair band (d) a boat hull
  28. 28.🔍 Which is the odd one out? (a) glass (b) plastic (c) graphite (d) clay pottery
  29. 29.True or false: the core of a wire needs a transparent material. (a) False (b) True
  30. 30.True or false: an umbrella cover needs a transparent material. (a) True (b) False
  31. 31.Which of these needs a flexible material? (a) a boat hull (b) a skipping rope (c) a water tank (d) a switch contact
  32. 32.Which of these needs a flexible material? (a) an umbrella cover (b) a tea flask lining (c) a plug pin (d) a car seat belt
  33. 33.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  34. 34.🧱 Which material is best for the core of an electric wire? (a) glass (b) copper (c) wood (d) rubber
  35. 35.True or false: a tea flask lining needs a transparent material. (a) True (b) False
  36. 36.Which of these needs a waterproof material? (a) a tea flask lining (b) a window pane (c) an umbrella cover (d) a switch contact
  37. 37.True or false: a car windscreen needs an electrical conductor. (a) True (b) False
  38. 38.Which of these needs an electrical conductor? (a) a boat hull (b) a water tank (c) the core of a wire (d) a cooking pot handle
  39. 39.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  40. 40.🧱 Which material is best for the bars inside concrete? (a) glass (b) plastic (c) steel (d) rubber

Answer key

  1. heat insulator
  2. plastic-coated cloth
  3. waterproof
  4. brass
  5. False
  6. dry wood
  7. glass
  8. False
  9. False
  10. a magnifier lens
  11. cotton cloth
  12. wood or plastic
  13. transparent
  14. a tea flask lining
  15. steel
  16. heat insulator
  17. waterproof
  18. a conductor
  19. an oven glove
  20. a switch contact
  21. transparent
  22. iron
  23. an insulator
  24. glass
  25. an insulator
  26. electrical conductor
  27. a boat hull
  28. graphite
  29. False
  30. False
  31. a skipping rope
  32. a car seat belt
  33. True
  34. copper
  35. False
  36. an umbrella cover
  37. False
  38. the core of a wire
  39. a conductor
  40. steel

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