Electric and Magnetic Forces By Markc Rodriguez

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Across
  1. 2. is caused, or induced, by the relative motion between a wire and a magnetic field.
  2. 5. Electric charges do not need to be touching to ______ force on each other.
  3. 7. The electrical force between the two charges will __________ by the square of the change of position.
  4. 9. If an object has an equal amount of positive and negative charges it is called
  5. 10. There are ____ types of electric charge positive and negative
  6. 11. Charged objects with different sign ________ each other
  7. 12. A device that uses a free-moving magnetic needle to show direction is a:
  8. 14. A _______ is a path for the electrons to flow from negative terminal to a positive terminal.
  9. 16. The invisible region around any charged object is an
  10. 17. The current is in the same direction as the flow of ________ charge
  11. 18. Charles Coulomb measured the ____________ of electric forces
  12. 19. Charged objects with the same sign _____ each other
Down
  1. 1. Which part of the atom is negatively charged?
  2. 3. Electrical ________ are materials that allow electrons to move freely.
  3. 4. Electrical __________ are materials that most of the electrons are bound to atom and cannot move freely in material.
  4. 5. Which kind of magnet carries a current?
  5. 6. The movement of electrically charged particles is
  6. 8. The number of positive and negative charges in an atom is usually
  7. 13. All electric circuits have ______ main parts
  8. 15. A type of energy fueled by the transfer of electrons from positive to
  9. 20. Which part of the atom is positively charged?