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5.6C Light travels
Light travels, reflects and refracts
| Term | Definition |
|---|---|
| circuit | a closed conducting circle or loop through which current can flow |
| closed circuit | the path through which an electric current can flow |
| electrical current | the flow of electricity through a conductor |
| electrical energy | energy that is absorbed or delivered by an electric circuit |
| energy | the ability to do work |
| heat energy | the transfer of thermal energy from one object to another |
| light energy | a form of energy which our eyes can detect |
| mechanical energy | energy of motion |
| medium | matter that light travels through |
| open circuit | the path through which an electric current cannot flow |
| parallel circuit | an electric circuit in which electric current has multiple paths through which it can flow |
| reflection | the bouncing back of light rays from a surface |
| refraction | the bending of light as it moves through one medium into another |
| series circuit | an electric circuit in which electric current has only one path through which it can flow |
| sound energy | energy produced by vibration |
| thermal energy | energy related to the temperature of an object or a substance |
| wind energy | energy generated from the movement of the air |