Capillary Action: In this section of USGS Water Science for School's you will learn how capillary action is important for moving water (and all of the things that are dissolved in it) around. It is defined as the...

This resource from the Food and Agriculture Organization of the United Nations focuses on crop water use. The diagrams and explanations provided here show the influence of climate on crop water needs, the influence of...

This resource from the United States Geological Survey contains a list of water-related terms that will help you to understand and use the USGS web site. If you are looking for a more detailed water dictionary or...

This Environmental Protection Agency (EPA) website provides general information about dissolved oxygen, including what it is, sampling and equipment considerations, and sampling and analysis protocols. The site also...

Water Resources: This is a page from the USGS's Water Science for School's web site. This article answers the question: How much water is there on (and in) the Earth?