A site with a collection of science experiments for kids to perform and learn about testing stream/creek water to discover what kind of organisms, pH, minerals, etc. are present in their water supply. Includes a number...

This site, produced by the United States Geological Survey, is all about aquifers. Many different types of aquifers are addressed, these include: sand and gravel, sandstone, sandstone and carbonate, carbonate-rock, and...

This tool from the United States Geological Survey provides an easy way to navigate a variety of data sets including aerial photography, AVHRR composites, declassified data, digital line graphs, digital maps and more....

This lesson provides an overview of destructive earthquakes and their connection to tectonic movements of the Earth's crust. It includes a discussion of some especially destructive historic earthquakes, and a brief...

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.