| A | B |
|---|
| Circuit | a closed conducting circle or loop through which current can flow |
| Closed circuit | a closed conducting circle or loop through which current can flow |
| Conductor | a substance or object that allows energy to flow through it easily |
| Electrical energy | a form of energy produced when electric charges flow through a conductor |
| energy | the ability to cause change or do work |
| Insulator | a substance or object that does not allow energy to flow through it easily |
| Light energy | a form of energy which our eyes can detect |
| Mechanical energy | energy of motion |
| Open circuit | if the pathway is broken (burned out bulb, broken buzzer, wire cut, etc.), then electricity cannot continue to flow |
| Sound energy | energy produced by vibrations |
| Thermal energy | energy related to the temperature of an object or a substance |
| Vibration | a series of small, fast movements back and forth or from side to side |
