Where Does Energy Come From (clip)

Zog wonders WHERE DOES ENERGY COME FROM? As a caveman living long ago he knows that light and heat energy can come from the sun or burning firewood, but now he travels through time to learn that in our world we have many other sources such as OIL, COAL, NATURAL GAS, GEOTHERMAL, NUCLEAR, FALLING WATER, WIND and SOLAR CELLS and how some of these are used in power plants to turn generators to make ELECTRICITY. Written and animated by David Christianson. 10 minutes • Color, 2012. Direct link to purchase the DVD: http://www.phoenixlearninggroup.com/Products/VideoDetail.aspx?id=521d83d2-2107-495b-93cf-cc86a3ece86a⊂=&cat;=

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