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ELECTRICITY IS A term for energy that can be present or flow as an electric charge. It is visible in lightening flashes. Electric eels, electric catfish, and electric rays use electricity for hunting or defense. Electricity occurs at the subatomic level in the form of electrons that orbit the nuclei of atoms. Electrons form force fields to hold atoms together as solids.

Electricity can be static or conducting. Static electricity occurs when there is an imbalance between materials that are positively and negatively charged with electrons. Electric currents are a flow of electric charges through a conducting material, such as copper, and can be harnessed for useful purposes. The production of conducted electricity, its use in electronics, and in electric power motors is one of the ...

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