Beakman explains the cyclical process of rain and evaporation. The sun warms up water in a puddle, turning it into invisible vapor. As the vapor rises it cools, which makes it condense into drops that form clouds. In the volcano segment, Beakman shows the process that a volcano goes through creating magma, and then a volcanic eruption
Elenco: Paul Zaloom , Jean Stapleton , Alanna Ubach , Senta Moses , Mark Ritts , Eliza Schneider .