chemistry is so incredibly awesome

chemistry is a big thing on this earth because all of the chemicals like H20 and water those two create clouds.  the warm earths crust  and water creates fog.  chemical changes and physical changes a physical change is just a change in looks for example popcorn there's a layer on the out side and it obliterates but a chemical change is a change in chemicals like wood cause it turns from a mass to little particles. CHEMISTRY IS SO FUN!!!.> tell me what you know about chemistry (=