| A | B |
|---|
| ampere | the unit used to describe how much electric current flows through a wire |
| attract | to pull together |
| circuit | path for electric current |
| closed circuit | complete, unbroken path for electric current |
| open circuit | incomplete, or broken path for electric current |
| dry cell battery | electric powersource with a dry or pastlike center |
| electric current | movement of electric charge from one place to another |
| electricity | flow of electrons |
| lines of force | lines that show a magnetic field |
| magnet | an object that attracts certain kinds of metals, such as iron |
| magnetic field | area around a magnet in which magnetic forces can act |
| parallel circuit | circuit in which there is more than one path for a current |
| repel | to push apart |
| schematic diagram | a digram that uses symbols to show the parts of a circuit |
| series circuit | circuit in which all current flows through a single path |
| static electricity | buildup of electrical charges |
| magnetic poles | opposite points or ends of a magnetic where magnetic forces are greatest |
| volt | metric unit used to measure electromotive force |
| voltage | the energy that power source gives to electrons in a circuit |
