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Chemical energy is energy stored in the bonds of chemical compounds , like atoms and molecules. This energy is released when a chemical reaction takes place. Usually, once chemical energy has been released from a substance, that substance is transformed into a completely new substance. Chemical energy is stored in the bonds that connect atoms with other atoms and molecules with other molecules. Because chemical energy is stored, it is a form of potential energy. When a chemical reaction takes place, the stored chemical energy is released. The food we eat contains stored chemical energy. As the bonds between the atoms in food loosen or break, a chemical reaction takes place, and new compounds are created. The energy produced from this reaction keeps us warm, helps us move, and allows us to grow. Different foods store different amounts of energy. Dry wood contains stored chemical energy. When you burn that wood in a fireplace, chemical energy is released and converted into thermal energy (heat) and light energy. And what about the wood? Following the chemical reaction, it's now turned into a new substance – ash. Chemical energy is energy that is stored in the bonds between chemical compounds, such as atoms and molecules. We all use chemical energy every day to perform daily functions – you're using chemical energy right now to read this page! We all use chemical energy every day to perform daily functions – you're using chemical energy right now to read this page! When we burn Natural Gas, the chemical energy is converted into light and heat.