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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 166 · 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 roof sheet (b) a car windscreen (c) a hair band (d) a skipping rope
  2. 2.True or false: a skipping rope needs a waterproof material. (a) True (b) False
  3. 3.True or false: a cooking pot handle needs a waterproof material. (a) False (b) True
  4. 4.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) paper (c) cardboard (d) cotton wool
  5. 5.Which of these needs a heat insulator? (a) a roof sheet (b) a car seat belt (c) a boat hull (d) a tea flask lining
  6. 6.🧱 Which property matters most for a hair band? (a) transparent (b) heat insulator (c) electrical conductor (d) flexible
  7. 7.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  8. 8.Which of these needs a transparent material? (a) an oven glove (b) a switch contact (c) a spectacle lens (d) a boat hull
  9. 9.True or false: an umbrella cover needs a waterproof material. (a) True (b) False
  10. 10.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  11. 11.🔍 Which is the odd one out? (a) clay pottery (b) copper (c) brass (d) graphite
  12. 12.🧱 Which material is best for a window pane? (a) glass (b) wood (c) brick (d) steel
  13. 13.True or false: a water tank needs an electrical conductor. (a) True (b) False
  14. 14.True or false: a raincoat needs a waterproof material. (a) True (b) False
  15. 15.🧱 Which property matters most for a raincoat? (a) electrical conductor (b) transparent (c) waterproof (d) flexible
  16. 16.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  17. 17.🧱 Which material is best for a cooking pot handle? (a) iron (b) aluminium (c) wood or plastic (d) copper
  18. 18.🧱 Is brass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  19. 19.🔍 Which is the odd one out? (a) copper (b) graphite (c) brass (d) glass
  20. 20.Which of these needs a transparent material? (a) the core of a wire (b) a raincoat (c) a window pane (d) an oven glove
  21. 21.Which of these needs a waterproof material? (a) the core of a wire (b) a magnifier lens (c) a skipping rope (d) an umbrella cover
  22. 22.True or false: a tea flask lining needs a transparent material. (a) False (b) True
  23. 23.🧱 Is rubber an electrical conductor or an insulator? (a) a conductor (b) an insulator
  24. 24.Which of these needs an electrical conductor? (a) a roof sheet (b) a raincoat (c) a boat hull (d) the core of a wire
  25. 25.🔍 Which is the odd one out? (a) copper (b) dry wood (c) aluminium (d) steel
  26. 26.True or false: a yoga mat needs a flexible material. (a) False (b) True
  27. 27.Which of these needs a heat insulator? (a) a car seat belt (b) a car windscreen (c) an oven glove (d) a yoga mat
  28. 28.Which of these needs a flexible material? (a) a tea flask lining (b) a car windscreen (c) a spectacle lens (d) a skipping rope
  29. 29.🧱 Which property matters most for a window pane? (a) heat insulator (b) electrical conductor (c) transparent (d) waterproof
  30. 30.True or false: a boat hull needs an electrical conductor. (a) False (b) True
  31. 31.🧱 Which material is best for the bars inside concrete? (a) plastic (b) glass (c) rubber (d) steel
  32. 32.True or false: a water tank needs a waterproof material. (a) True (b) False
  33. 33.🧱 Which property matters most for the core of a wire? (a) flexible (b) electrical conductor (c) transparent (d) waterproof
  34. 34.🔍 Which is the odd one out? (a) dry wood (b) copper (c) glass (d) plastic
  35. 35.🔍 Which is the odd one out? (a) aluminium (b) dry wood (c) cotton cloth (d) glass
  36. 36.🧱 Which material is best for the core of an electric wire? (a) glass (b) rubber (c) wood (d) copper
  37. 37.Which of these needs an electrical conductor? (a) a water tank (b) a roof sheet (c) a switch contact (d) a skipping rope
  38. 38.True or false: a switch contact needs a waterproof material. (a) False (b) True
  39. 39.Which of these needs an electrical conductor? (a) a plug pin (b) a boat hull (c) an umbrella cover (d) a car seat belt
  40. 40.🧱 Which property matters most for a water tank? (a) flexible (b) transparent (c) electrical conductor (d) waterproof

Answer key

  1. a car windscreen
  2. False
  3. False
  4. plastic-coated cloth
  5. a tea flask lining
  6. flexible
  7. a conductor
  8. a spectacle lens
  9. True
  10. an insulator
  11. clay pottery
  12. glass
  13. False
  14. True
  15. waterproof
  16. False
  17. wood or plastic
  18. a conductor
  19. glass
  20. a window pane
  21. an umbrella cover
  22. False
  23. an insulator
  24. the core of a wire
  25. dry wood
  26. True
  27. an oven glove
  28. a skipping rope
  29. transparent
  30. False
  31. steel
  32. True
  33. electrical conductor
  34. copper
  35. aluminium
  36. copper
  37. a switch contact
  38. False
  39. a plug pin
  40. waterproof

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