NASA
Water Works on a Blue Planet
Keep within a water budget. Learners find out that less than 2.5% of Earth's water is available to drink—and that there is a fixed amount of water. Scholars read an interesting article comparing the available water to a game of Monopoly...
Open Curriculum
Open Curriculum: Water and Water Cycle
An illustrated article helps learners understand the water cycle and the distribution of Earth's water.
![The Hydrological Cycle an Human Impact on It. [Pdf] Article](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "The Hydrological Cycle an Human Impact on It. [Pdf] Article")
Other
The Hydrological Cycle an Human Impact on It. [Pdf]
The hydrological cycle is usually called a recurring consequence of different forms of movement of water and changes of its physical state on a given area of the Earth. The role of different processes in the hydrological cycle and their...