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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 516 · 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 is the odd one out? (a) dry wood (b) cotton cloth (c) rubber (d) steel
  2. 2.🔍 Which is the odd one out? (a) aluminium (b) cotton cloth (c) copper (d) steel
  3. 3.Which of these needs a transparent material? (a) a cooking pot handle (b) a yoga mat (c) a car windscreen (d) a skipping rope
  4. 4.🧱 Which property matters most for a cooking pot handle? (a) waterproof (b) heat insulator (c) electrical conductor (d) transparent
  5. 5.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  6. 6.🧱 Which material is best for a cooking pot handle? (a) wood or plastic (b) copper (c) iron (d) aluminium
  7. 7.🔍 Which is the odd one out? (a) cotton cloth (b) rubber (c) plastic (d) copper
  8. 8.Which of these needs a waterproof material? (a) a car seat belt (b) a water tank (c) a yoga mat (d) an oven glove
  9. 9.🧱 Which material is best for a raincoat? (a) cardboard (b) paper (c) cotton wool (d) plastic-coated cloth
  10. 10.Which of these needs a waterproof material? (a) a cooking pot handle (b) a yoga mat (c) a raincoat (d) the core of a wire
  11. 11.🧱 Which property matters most for a yoga mat? (a) flexible (b) heat insulator (c) waterproof (d) transparent
  12. 12.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  13. 13.🧱 Which property matters most for an umbrella cover? (a) flexible (b) electrical conductor (c) heat insulator (d) waterproof
  14. 14.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  15. 15.Which of these needs a flexible material? (a) a window pane (b) a roof sheet (c) a yoga mat (d) a water tank
  16. 16.Which of these needs a heat insulator? (a) a raincoat (b) an oven glove (c) a magnifier lens (d) a water tank
  17. 17.True or false: a boat hull needs a waterproof material. (a) True (b) False
  18. 18.🧱 Which property matters most for a hair band? (a) electrical conductor (b) transparent (c) flexible (d) heat insulator
  19. 19.True or false: a switch contact needs a transparent material. (a) True (b) False
  20. 20.Which of these needs an electrical conductor? (a) a spectacle lens (b) a switch contact (c) a raincoat (d) a water tank
  21. 21.🧱 Which property matters most for a magnifier lens? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  22. 22.🧱 Which material is best for the bars inside concrete? (a) glass (b) rubber (c) steel (d) plastic
  23. 23.🧱 Which material is best for a window pane? (a) glass (b) brick (c) steel (d) wood
  24. 24.Which of these needs a flexible material? (a) a skipping rope (b) the core of a wire (c) a tea flask lining (d) a magnifier lens
  25. 25.🧱 Which material is best for the core of an electric wire? (a) copper (b) rubber (c) glass (d) wood
  26. 26.True or false: an umbrella cover needs a waterproof material. (a) False (b) True
  27. 27.True or false: a water tank needs a waterproof material. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) brass (b) copper (c) aluminium (d) glass
  29. 29.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  30. 30.🧱 Is plastic an electrical conductor or an insulator? (a) an insulator (b) a conductor
  31. 31.Which of these needs a flexible material? (a) a water tank (b) a window pane (c) a car seat belt (d) a cooking pot handle
  32. 32.🧱 Is graphite an electrical conductor or an insulator? (a) a conductor (b) an insulator
  33. 33.🧱 Which property matters most for a roof sheet? (a) heat insulator (b) transparent (c) flexible (d) waterproof
  34. 34.True or false: a tea flask lining needs a heat insulator. (a) False (b) True
  35. 35.True or false: a tea flask lining needs a flexible material. (a) True (b) False
  36. 36.Which of these needs a waterproof material? (a) a roof sheet (b) a car windscreen (c) a hair band (d) a cooking pot handle
  37. 37.True or false: a car seat belt needs a flexible material. (a) False (b) True
  38. 38.True or false: a magnifier lens needs a heat insulator. (a) True (b) False
  39. 39.🧱 Which property matters most for an oven glove? (a) transparent (b) flexible (c) heat insulator (d) waterproof
  40. 40.True or false: a magnifier lens needs a transparent material. (a) False (b) True

Answer key

  1. steel
  2. cotton cloth
  3. a car windscreen
  4. heat insulator
  5. an insulator
  6. wood or plastic
  7. copper
  8. a water tank
  9. plastic-coated cloth
  10. a raincoat
  11. flexible
  12. a conductor
  13. waterproof
  14. an insulator
  15. a yoga mat
  16. an oven glove
  17. True
  18. flexible
  19. False
  20. a switch contact
  21. transparent
  22. steel
  23. glass
  24. a skipping rope
  25. copper
  26. True
  27. True
  28. glass
  29. False
  30. an insulator
  31. a car seat belt
  32. a conductor
  33. waterproof
  34. True
  35. False
  36. a roof sheet
  37. True
  38. False
  39. heat insulator
  40. True

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