[Free Registration/Login Required] An informational text about the water cycle. A question sheet is available to help students build skills in reading comprehension.

Conduct an experiment and investigate how air temperature, relative humidity, wind speed, solar radiation and precipitation affect evaporation. Graph the data collected during the experiment.

The atmosphere forces the ocean in three ways: addition and removal of heat, precipitation and evaporation, and wind stress. The former two processes influence the density of sea water. Gravity acts on these density differences to cause...

Check out this site for global climate animations. "Get a feel for why we have seasonal weather changes or why other regions have different weather than you do."