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Darlene Ual

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Only 10% of the U.S energy resource comes from hydroelectricuty

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1) Disrupts the ecosystem
2) If there is drought then there will be slow production of energy
3) Expensive to build
4) Changes the structure of the land

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1) Constant energy production
2) When energy is not being made then gates of the dam can be closed
3) Can store water to be used for irrigation
4) Produces mass amount of energy

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This is a diagram on how a dam works

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This is what collects the energy from the water.

The Hoover Dam

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Hydroelectricity is the name of the electric energy produced by running water.

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Information: http://www.ucsusa.org/clean_energy/our-energy-choices/renewable-energy/how-hydroelectric-energy.html#.V4O8WbgrLIU
http://www.technologystudent.com/energy1/hydr2.htm

Images: http://1.bp.blogspot.com/-lME6bN3ynwc/T9101snNi9I/AAAAAAAABZs/MstjDEY2U_g/s1600/Hoover+Dam+2.JPG
http://www.ei.lehigh.edu/learners/energy/images/575px-Hydroelectric_dam_svg.jpg

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First off you will need a place to build a dam that will collect the energy from the water (choose a place where there is running water)

Then what it does is that the water will run through the blades of the turbine that then will spin with the force transferring the energy of the water to the turbine.

The spinning turbine will then transfers the energy to coils of wire that will spin throught a magnetic field making electricity in which the generator connecting it will store it.