Rats lost post. Presenter is going over potential and Kinetic energy. Energy does work or causes change. Potential energy is stored Kinetic is being used. Energy and mass cannot be changed or destroyed just changed. Heat is dissipated at each level. She as a flash light that can be powered by squeezing a handle, it has a magnet and a copper wire that causes electrons to move. They also had sand going around in two containers being shaken. Now they are measuring the temperature.
July 18, 2008
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