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