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Biomass contains stored energy from the sun. Plants absorb the sun's energy in a process called photosynthesis. When biomass is burned, the chemical energy in biomass is released as heat. Biomass can
"Geo" means "from the earth," and "thermal" means "heat," so this type of energy is found under the earth. The hot lava from a volcano and the hot steam from a geyser both come from underground heat a
Kids learn about hydropower energy and how this renewable power can help the environment. Teach students about biodiesel, ethanol, and methane gas.
Benefits of Wind Power Wind turbines have become a familiar sight along desert freeways, mountain ridges and farmland throughout the United States and the world for a variety of environmental and econ
Kids learn about solar energy and how this renewable power can help the environment. Teach students about solar cells and using the sun for heat.