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Hydroelectricity - PowerPoint PPT Presentation


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Joseph Acevedo 607. Hydroelectricity. Hydroelectricity is fast running water that generates electricity. It uses a huge generator to produce first mechanical energy and then to electrical energy.

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PowerPoint Slideshow about 'Hydroelectricity' - damia


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Presentation Transcript
slide2

Hydroelectricity is fast running water that generates electricity. It uses a huge generator to produce first mechanical energy and then to electrical energy.

slide3

Hydroelectricity comes from various dams around the world. Dams pipes and tunnels are man made structures that help store and channel water to the turbines. These structures are called power houses.

Hoover Dam

Niagara Falls

slide4
My energy resource is renewable. It is renewable because you can use water for it and you can pump the water back up and reuse it.
slide5

The turbine spins when water runs through it creating electricity. Hydroelectricity is when a lake behind a dam pushes the water through a hole and inside the hole is a turbine connected to a generator.

pros of hydroelectricity
Pros of Hydroelectricity
  • The most used form of renewable energy in the world.
  • To stop a turbine at an emergent time it may only take minutes or even seconds.
  • It’s one of the lowest costing energy sources.
  • It’s a clean way of using energy because it does not cause pollution.
cons of hydroelectricity
Cons of Hydroelectricity
  • It takes up a large area of land and sometimes people are forced to move.
  • Reservoirs are very expensive to build because of their size.
  • Reservoirs can be very fatal to many lives because it can crack or overflow.
  • Fishes may die whenever turbines are on.
hydroelectric power video
Hydroelectric Power Video
  • http://www.youtube.com/watch?v=cEL7yc8R42k
references
References
  • http://www.edubook.com/hydropower-pros-and-cons/15441/
  • http://www.buzzle.com/articles/hydroelectricity-pros-and-cons.html
  • http://wiki.answers.com/Q/Where_does_hydroelectricity_come_from
  • http://ga.water.usgs.gov/edu/wuhy.html
  • http://expert-eyes.org/deepak/hydro.html