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  • Submitted by: lego12345
  • on January 6, 2013
  • Category: College Admissions
  • Length: 624 words

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Below is a free excerpt of "Paper" from Anti Essays, your source for free research papers, essays, and term paper examples.

Hydroelectricity is a renewable resource. It advantages is that the water from the dam does not run out. It disadvantages are however that it kills aquatic animals especially small fish. Now Washington has the largest amount of power plants. The way a hydroelectricity dam works is first the potential energy of the water turns into kinetic energy as it goes down. Second as the kinetic energy of water moves it also moves the turbine. Next when the turbine spins, the kinetic energy of the turbine turns the generator. Then the kinetic energy of the generator turns into electricity. Finally the electricity is distributed through the wires to homes.


Arizit Pal

Did you know that an object that is still and an object that is moving have energy? They are called potential and kinetic energy. Potential energy and kinetic energy are two different things. Potential energy is the amount of energy an object has due to its position. Potential energy is measured as mass x height. Kinetic energy is the opposite. It is the energy of an object in motion. Kinetic energy can be measured as mass x speed.

Kinetic and potential energy are the most common energy we use. We use it so much that it exists on everything and that we can repeat it in a cycle. Take a ball for an example. When you hold the ball and not let it go it has potential energy. When you let go and bounce it has kinetic energy. This can also repeat. After the ball has some kinetic from using it, you can leave it or hold it so it is still. Since it is still, it has potential energy and then into kinetic energy. This way it can be repeated in a cycle.

  Do you know the Law of Conservation? Well it is a rule. It states that energy no matter what can’t be destroyed or created. It can only be transformed and transferred. Every time an energy transformation occurs, the Law of Conservation has a part to play. Each time it...

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