This site, created by the Environmental Protection Agency, contains information from the on testing and protecting private water sources. The site can be helpful for persons having a private well or simply those...

This lab activity from the Biotechnology Alliance for Suncoast Biology Educators demonstrates the biologically important properties of water, including surface tension, cohesion, adhesion, capillary action, solubility,...

The United States Geological Survey's (USGS) real-time data on streamflow conditions from all over the United States. A map with colored dots depicts streamflow conditions that are updated every one to four hours daily.

Reverse Osmosis: In reverse osmosis, the idea is to use the membrane to act like an extremely fine filter to create drinkable water from salty (or otherwise contaminated) water. A complete explanation is here along with...

This resource introduces students to the idea of saline water. Topics include how saline water is defined and how dissolved salt concentrations are expressed (parts per million). Parameters for the various ranges of...