Learn about the properties of water by performing a number of fun science experiments. Discover how water is constructed, the stages of the water cycle, and how it changes states.  Water is one of the most essential chemicals in the world. It makes up 70% of our bodies and covers approximately 70% of our Earth. Water is an elementary chemical composed of two hydrogen atoms and one oxygen atom (H2O) that form a covalent bond. Despite the simplicity of the molecule, water behaves in several unusual ways, best illustrated through these fun, kid-friendly science experiments. 
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