Magnetism

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Across
  1. 1. a single wire wrapped into a cylindrical wire coil
  2. 5. _________ current is electric current that reverses the direction in a regular pattern
  3. 7. an electric _______ is a device that changes electrical energy into mechanical energy
  4. 11. magnetic _________ are regions of a magnet that exert the strongest
  5. 13. _______ current is electric current that is always in one direction through a wire
  6. 14. a magnetic ________ is a region of space that surrounds a magnet and exerts a force on other magnets
  7. 15. the interaction between electric charges and magnets
  8. 16. magnetic _______ groups of atoms with aligned magnetic poles
Down
  1. 2. __________ force is the attractive or repulsive force between electric charges and magnets
  2. 3. electromagnetic ________ is the generation of an electric current by changing magnetic field
  3. 4. a device that increases or decreases the voltage of an alternating current
  4. 6. is a large wheel that rotates when pushed by water, wind, or steam
  5. 8. a device that uses an electromagnet to measure electric current
  6. 9. refers to the properties and interactions of magnets
  7. 10. uses electromagnetic induction to transform mechanical energy into electrical energy
  8. 12. temporary magnet created when there is a current in a wire coil