potential energy = energy stoed in an object or material.ç
conduction = movement of energy from a hot object that comes into contact with a cooler object; the material remains in place .
convection = movement of energy by the flow of matter from place to place .
radiation= movement of energy in the fom of waves that can travel through empty space .
wet cell batterry= a battery containing liquid solution that produces the electric current.
dry cell battery = a battery that uses " dry chemicals" to poduce an electic current.
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