Energy - Absorbed or Released

When you bake a cake, energy is absorbed by the batter as it changes form a runny mix into a cake.






Another sign of a chemical change is the release or gain of energy by an object. Many substances absorb energy to undergo a chemical change. Energy is absorbed during chemical changes involved in cooking, like baking a cake




Energy can also be released during a chemical change. The fireworks that were mentioned above release energy in a form of light that you can see.



You can also see that energy is released when in this movie clip when sodium and chlorine are combined with water.