circuit - a closed conducting circle or loop through which current can flow, closed circuit - the path through which an electric current can flow, electric 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, 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, reflection - the bouncing back of light rays from a surface, refraction - the bending of light as it moves through one medium into another, sound energy - energy produced by vibrations, thermal energy - energy related to the temperature of an object or a substance,

5th Science - Energy

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