Energy Sources

WGBH Educational Foundation, Teachers' Domain

This short video surveys the different current and potential sources of energy - both non-renewable and renewable. It provides some discussion of the pros and cons of the different sources and explains how they are used to produce energy that people can use.

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Notes from our reviewers

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Educators will want to tie this video into a discussion about the changing mix of energy sources in the US.
Video characterizes hydrogen as an energy source, but it can also be described as an energy store/carrier. Good explanation of how electricity is produced by using different methods and fuel sources. Comments from expert scientist: A good overview with strong visuals. Corrections: 1) Hydrogen is not an energy source. It is an energy currency. 2) Better to use the term wind turbines not wind-mills. 3) Pictures of solar thermal were shown while discussing PV. 4) Mention is made of bird kills by windmills. Should also mention that cars, collisions with buildings, and house cats kill many more birds. Would be nice to mention linkage between population growth and energy demand.