Some chemical reactions change temperature, change color, produce a gas, or make a solid from two liquids. Try this reaction and see what it does! Pour 1 tablespoon of hydrogen peroxide into a cup.

A catalyst is a substance that speeds up a chemical reaction. The catalyst is not used up or chemically changed during the reaction. Enzymes are catalysts that work inside the cells of living ...

Chemical reactions involve the interaction and transformation of molecules. The Maillard reaction is one example that occurs in baked goods, where sugars react with proteins to create new molecules ...