martes, 28 de septiembre de 2010

matter and energy

Kinetic energy: the energy of a moving object.


2.Potential energy: energy stored in an object or material.



3.Conduction: Movement of energy from a hot  object that comes into contact with a cooler object; the material remains in place.



4.Convenction: movement of energy by the flow of matter from place to place.



5.Radiation: movement of energy in the form of waves that can travel through empty space.



6.Wet cell battery: a battery containing liquid solution that produces the electricity current.



7.Dry cell batery: a battery that uses "dry chemicals" to produce an electric current.
 


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