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About Energy:

Energy and Matter

Forms of Energy

Sources of Energy

Motion and Heat



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We all know that the Sun is hot, but did you know the Sun can be used as a source of energy? Want to learn more? Read on.

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Energy is the ability to do work. Energy allows movement in our surroundings. Without energy nothing would move. All living things need energy. Plants need energy to grow and reproduce. Computers and televisions also need energy to operate. People depend on energy to cook food, heat homes, light streets, and run machines.


Energy is all around us. The sunlight, moving wind and moving water have energy. Energy can change from one form to another. Without energy plants cannot grow, animals cannot move and machines do not work.

Plants and Energy

Energy makes changes; it does things for us. It moves cars along the road and boats over the water. It bakes a cake in the oven and keeps ice frozen in the freezer. It plays our favorite songs on the radio and lights our homes. Energy makes our bodies grow and allows our minds to think.

Energy and our Body



Energy from the Sun

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Most of the energy on Earth comes originally from the Sun. How is energy created? Nuclear fusion in the Sun's core converts hydrogen into helium and other substances. During the fusion process matter is converted to energy in the form of heat and light.

Energy and matter have multiple forms and can be changed from one form to another. When you turn on a light, you are converting electrical energy into heat and light energy. This electrical energy comes from a power plant where it was generated from other sources such as water, oil and gas, nuclear, solar or wind energy.

Energy from the Sun


Books on Solar Energy

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Other links on Solar Energy

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The Sun http://www.wxdude.com/page1.html

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