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  • Renewable energy is energy that comes from sources that do not run out

  • or can be replenished quickly.

  • Three commonly used types of renewable energy are

  • solar energy, wind energy, and hydro water energy.

  • Solar energy is energy that comes from the sun.

  • You probably have seen large mirrors in solar power plants that collect sunlight.

  • But did you know that this is only the first step of getting solar energy?

  • Heat from concentrated sunlight is used to boil water.

  • This creates steam, which rotates turbines connected to an electric generator.

  • That's where electricity is created.

  • Interesting, huh?

  • Just like this, the power of wind and water rotates turbines,

  • which are connected to electric generators.

  • They produce electricity.

  • Fossil fuels, such as oil, are becoming scarcer,

  • and the need to find alternative sources of energy has become more urgent than ever.

Renewable energy is energy that comes from sources that do not run out

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B2 energy solar energy renewable energy solar renewable rotates

Renewable Energy

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    Kiara posted on 2016/06/29
Video vocabulary