| http://www.w3.org/ns/prov#value | - ing momentum today.3:40 Electricity from all kinds of Renewable SourcesGrade: 5 - 12Learn about a new high-tech small power station that delivers both electricity and heat from many sources of renewable energy including ethanol, biodiesel and fuel cells.2:00 Wind, Hydro and Geothermal PowerGrade: 5 - 12Easy to understand presentation on alternative energy sources of wind, hydro-electric, and geoth
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