Meet Prerequisites. To qualify for a Type 39 substitute teaching certificate, you must have a bachelor's degree from an accredited college. Be prepared to provide official college transcripts to the nearest regional office of the Illinois State Board of Education, or ISBE.
Precipitation: The Water Cycle. New! Water cycle for kids poster. Precipitation is water released from clouds in the form of rain, freezing rain, sleet, snow, or hail. It is the primary connection in the water cycle that provides for the delivery of atmospheric water to the Earth. Most precipitation falls as rain.
Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff. Although the total amount of water within the cycle remains essentially constant, its distribution among the various processes is continually changing. zoom_in.