| A | B |
| lightning | a giant spark of electric sharges moving between a cloud and the ground, between a cloud and another cloud, or within a cloud |
| electric current | steady flow of electric charges, usually in a wire |
| switch | the part of a circuit that opens or closes the circuit |
| GFCI outlet | a special outlet with a safety switch that instantly turns off in dangerous situations to help prevent shock |
| generator | a device that uses a magnet to change mechanical energy into electrical energy |
| battery | changes chemical energy into electrical energy |
| electricity | flow of electrons from one place to another |
| conductor | thing that transmits electricity |
| insulator | something that stops the passage of electricity |