As of April 1st, 2020, the official URL for accessing this website will change to https://gpm.nasa.gov/education. The legacy URL at https://pmm.nasa.gov/education will only continue to work for a limited time. Please update your records accordingly.

Earth Observatory Water Cycle Overview

View of the Pacific Ocean from Space
Type: 
Audience: 
Standards: 
Summary: 
Water is a vital substance that sets the Earth apart from the rest of the planets in our solar system. In particular, water appears to be a necessary ingredient for the development and nourishment of life.