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Which Of These Are Good Insulators

Question: Metals are good conductors of both heat and electricity due to:

Answer: Looseness of outer electrons in a metal Atoms

Question: Which of these are good insulators?

  1. Feathers

  2. B. Snow

  3. C.WOOD

  4. D all of the above

  5. E none of the above

  6. Answer: D none of the above

  7. Question: Because of trapped air inside, snow is a

  8. A good insulator

  9. B both a good insulator and a poor conductor

  10. C a good conductor

  11. E none of the above

  12. Answer: B both a good insulator and a poor conductor

  13. Question: On a cold day your feet feel warmer on a rug then on a tile floor because a rug

  14. A for the same mass has more internal energy than tile

  15. B is usually warmer than tile

  16. C is a poor conductor

  17. D all of the above

  18. E none of the above

  19. Answer: C is a poor conductor

  20. Question: In practice, a good insulator

  21. A Slows heat flow

  22. B speeds negative heat flow

  23. C stops heat flow

  24. D all of the above

  25. Answer: a slows heat flow