| A | B |
|---|
| battery | device that changes chemical energy to electric energy |
| conductor | material through which electric current passes easily |
| electric circuit | path for electric current |
| generator | device that uses changing magnetic fields to produce electric current |
| switch | device used to open and close circuits |
| ion | atom with a net positive or net negative charge |
| power | rate at which energy is used to do work |
| resistance | measure of a material's ability to limit the flow of electric current |
| static charge | excess positive or negative charge on an object |
| insulator | material through which electric current does not pass easily |
