Energy Review Physical Science.

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Presentation transcript:

Energy Review Physical Science

The Equations! Kinetic Energy = Gravitational Potential Energy = m g h

Conservation of Energy! Important Equation Energy can be neither created nor destroyed but only conserved.

Common Forms of Energy Potential and Kinetic (aka mechanical) Thermal Chemical Electrical (kind of) Electromagnetic Nuclear

Methods of Energy Production Nonrenewable (fossil fuels, natural gas, etc.) Hydroelectric Plants Geothermal Plants

Methods Cont. Solar Cells and Panels Wind Turbines!

Ideal System (aka a perfect world) Energy is not lost to friction or leaking. In short energy is conserved and perpetual motion works

Real World Energy is lost to friction Energy is lost to the production of other forms in conversion processes (such as sound and heat) Energy is still conserved just we can convert 100% of it into the intended form

Nuclear Melt Down Japan http://www.youtube.com/watch?v=A5UvAH11CjM Hint: Question 10

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