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Science » Physical Sciences » Energy

Energy

provides video clips and interactive resources for learning about energy sources, heat, light, nuclei and radiation, radio waves, sound waves, and work and simple machines. Find lessons on biomass, capturing renewable energy, energy production, how light moves, photovoltaics and fuel cells, solar racing, sound vibrations, and wind power. (Teachers' Domain, Multiple Agencies)

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Interesting Fact:

Nuclear power is generated by reactions that take place inside the nuclei of certain atoms. One of two types of fuel powers today's nuclear plants: uranium or plutonium. Nuclear power generation relies on a process called fission, which begins when a fast-moving free neutron "bullet" strikes the nucleus of a uranium or plutonium atom.
Nuclear blast footage: these video clips show some of the tests the United States conducted.

Operation Castle


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