Electricity and Magnetism

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Across
  1. 2. when the electric current flows in only one direction
  2. 8. material that doesn't conduct electricity
  3. 10. the SI unit of electric potential or electromotive force, measures voltage
  4. 11. a north-seeking pole of a magnet
  5. 13. an electrical circuit that functions and is complete
  6. 14. atomic number 28, common conductor, used to make 5 cent coins
  7. 15. the subatomic particle surrounding the nucleus with a negative charge
  8. 17. when an atom has more electrons than protons
  9. 18. two opposite poles ___
  10. 19. another word for cell
  11. 20. ends of a magnet where the force is the strongest
  12. 24. a field that surrounds electric charges
  13. 26. this occurs when one form of energy changes into another (ex. light energy to electrical energy)
  14. 28. when the electric current changes direction periodically
  15. 30. a machine that produces energy and converts mechanical energy to electrical energy
  16. 31. where the electrical energy moves along in a circuit
Down
  1. 1. closed circuit where the current follows one path
  2. 3. two like poles ___
  3. 4. a material or object that produces a magnetic field
  4. 5. there are two on a magnet, north and south
  5. 6. when an atom has more protons than electrons
  6. 7. the space around a magnet that shows how magnetic force is distributed
  7. 9. an electrical circuit that isn't complete
  8. 12. atomic number 27 common conductor
  9. 16. a flow of electric charge carried by moving electrons
  10. 21. an inbalance between negative and positive charges in an object
  11. 22. closed circuit where the current is divided into two or more paths
  12. 23. atomic number 26 common conductor
  13. 24. a magnet that runs on electricity
  14. 25. material that does conduct electricity
  15. 27. a south-seeking pole of a magnet
  16. 29. turns the circuit on of off/ closes and opens circuits