NASA
Nasa: Goddard Space Flight Center: Precipitation Education: The Water Cycle
This learning tool from NASA provides educational tools related to precipitation. The water cycle is featured on this portion of the site.
PBS
Pbs Learning Media: Earth System: El Nino's Influence on Hurricane Formation
This video segment adapted from NASA's Goddard Space Flight Center explains how and where hurricanes develop. Learn how El Nino events alter the course of atmospheric circulation. Includes background reading material and discussion...
PBS
Pbs Learning Media: Earth System: El Nino
This video segment adapted from NASA's Goddard Space Flight Center details some of El Nino's far-reaching effects on both marine life and humans. [2:44]