Chapter 7 By: Joleen Warner

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Across
  1. 4. certain metals that acquire infinite conductivity (0 resistance)
  2. 5. the fundamental quantity that underlies all electric phenomena
  3. 7. this current alternates direction
  4. 9. materials that allow charged particles to pass through them easily
  5. 10. space that surrounds any charged object
Down
  1. 1. positive charge
  2. 2. when two objects rub against each other and electrons transfer
  3. 3. the collection or flow of electrons in the form of an electric charge
  4. 6. used to visualize an electric field
  5. 8. this current flows in only one direction