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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 |