martes, 21 de septiembre de 2010

MATTER AND ENERGY

VOCAVULARY:


kinetic energy: the energy of a moving object.

potencial energy: energy stored in a object or material.

conduction: movement of energy from a hot object that comes into contanct with a cooler object, the material remains in place.

radiation: movement of energy in the form of wave that can travel through empty space.

wet cell battery: a battery containin liquid solution that produce the electric current.

dry cell battery: a battery that uses     dry chemicals     to produce an electric current.   

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