| A | B |
|---|
| electricity | formof energy caused by moving particles |
| proton | atomic particle with a positive electric charge |
| electron | atomic particle with a negative electric charge |
| neutron | atomic particle with a neutral electric charge |
| static electricity | buildup of electric charges in an object |
| battery | series of electrochemical cells that are connected to each other |
| electode | positive or negative poles of an electrochemical cell |
| electrolyte | substance that forms ions when melted or dissolved in water |
| conductors | material through which electric charge can flow easily |
| insulators | material through which electric charge does not flow easily |
| electric current | flow of electrons through a conductor |
| alternating current | current in which electrons constantly change direction at a regular rate |
| direct current | current in which electrons always flow in the same direction |
| electric circuit | path that an electric current follows |
| series circuit | curcuit in which electric current follows only one path |
| parallel circuit | circuit in which electric current can follow more than one path |
| voltage | energy available tomove charges through a circuit |
| volt | unit used to measure voltage |
| ampere | unit used to measure electric current |
| resistance | opposition to the flow of electric current |
| Ohm | unit used to measure resistance |
| fuse | thin piece of metal that melts and breaks a circuit if too much current is flowing |
| circuit breaker | switch that opens a circuit if too much current if flowing |
