| A | B |
|---|
| circuit | closed loop of conductors through which charges can flow |
| conductor | substance through which electricity can easily flow |
| current | flow of electrical charge |
| generator | device for producing electrical current |
| insulator | material through which electrical charges cannot flow |
| ion | atom that has gained or lost one or more electrons; charged particle |
| switch | device that opens or closes a circuit |
| voltage | pressure behind the flow of electrons in a circuit |
