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hydropower

Hydroelectric Energy
Image: National Geographic/Arthur Sevestre

Hydroelectric Energy

What's the most common source of renewable energy in the U.S.? Sun? Wind? No, flowing water gives us far more electricity that either of those.

Turbines turn the kinetic energy of water into hydroelectric power, or hydropower. However, getting hydropower often means flooding vast areas and destroying human settlements and animal habitats. Is it worth it? These resources will help you decide.

National Geographic
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Welcome to Energyville

Welcome to Energyville

Energy: It's what runs the world (not to mention the economy). Can you find the right mix of fossil fuels, nuclear power, and renewables like wind, solar, and hydropower to provide for your city? More...

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Chevron
Hydropower

Hydropower

Want a simple explanation of how the kinetic energy of moving water is turned into electrical energy? Then watch this video. More...

Video
The Science Museum, London
Aswan High Dam

Aswan High Dam

Thanks to the gigantic dam across the Nile River, Egypt gets more than 10 billion kilowatt-hours of hydropower a year. However, its soil has suffered. More...

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PBS
Climate Change: Melting Glaciers Bring Energy Uncertainty

Climate Change: Melting Glaciers Bring Energy Uncertainty

Millions of people in Asia depend on a vast region of glaciers for drinking water and hydropower. What will happen now that the glaciers are melting? More...

Article
Nature
Grand Coulee Dam: Third Powerplant Overhaul

Grand Coulee Dam: Third Powerplant Overhaul

Grand Coulee Dam is the largest producer of hydropower in the U.S. and it irrigates some 600,000 acres of farmland. But to keep going it will need a $100 million upgrade. More...

Video
U.S. Department of the Interior
Hydroelectric Plant Technician

Hydroelectric Plant Technician

If water does all the work of spinning a turbine, what is there for a hydroelectric plant technician to do? Plenty! More...

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Science Buddies
Renewable Hydropower

Renewable Hydropower

Ever heard of a wave farm? You'll find some surprising ideas and inventions in this article about hydropower in all its forms. More...

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U.S. Energy Information Administration
Tidal Energy

Tidal Energy

Powered by the nature, tidal energy certainly is renewable. Discover the developing technology that aims to convert tidal energy into electricity. More...

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National Geographic
Tireless Tides: Extracting Energy from Ocean Tides

Tireless Tides: Extracting Energy from Ocean Tides

Harnessing the power of tides is still in its infancy. Build a model of a tidal barrage (a dam-like structure) to investigate how emptying water through tunnels of different sizes affects energy production. More...

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Science Buddies

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