A huge collection of topographic maps for each of the US states. Scroll down to see a map of the United States and click on the state you are interested in. From there, you can search for a particular location, choose a featured map, or...

A set of available rsources from the USGS on beryllium. Most are in PDF format and are helpful.

The USGS explains the definition of a river and how a river is supplied with water. Included is a cross section of a river. Click Home to access the site in Spanish.

Locate glaciers and ice caps on a world map at this USGS site. Read about the formation of galciers and other interesting facts. Learn about the effects glaciers have on the landscape, and of their importance for our fresh water supplies.

The USGS offers maps of the locations of mines and mineral processing plants. You can find the sources for everything from aluminum to zircon!

USGS provides the definition of a fault, the basics of earthquakes, the theory of plate tectonics, location of plates and earthquakes, and embedded links to related material.

This site from USGS provides a map of the mid-oceanic ridge in the sea floor of oceans.

Resource presents many maps of the United States along with descriptions of each.

Read what the scientists at the Hawaiian Volcano Observatory have recently observed about the state of Hawaii's volcanoes in the the weekly "Volcano Watch" newsletter. Issues of the newsletter from 1994 forward are archived on this site.

Understand the evidence for ancient earth and the geologic time scale. Learn on this site how the earth can help scientist date discoveries.

Help your students with age-appropriate science activities with the links to these pages.

Provides insight on how scientists determine the depth of an earthquake. Offers links to locating earthquakes as well as earthquake facts and lists.

A graphic map of Lauraisia is provided at this site on continental drift and the history of the Earth. You can also search text to find reference to Laurasia.

At this site from the United States Geological Survey, you can read an informative and scientific explanation of what deserts are and what occurs in them. View pictures of deserts and a diagram showing the distribution of deserts in Africa.

This site is a fact sheet that uses illustrations to review the steps minerals go through to be made into useable products, and also how some materials can be recycled and returned to the environment.

A watershed index where students can click on a map of the U.S. to find the names and locations of watersheds. Students can also download a file that can be run in Google Earth to view more about the watershed.

This lesson plan offers detailed instructions on the types and uses of map symbols.

This website focuses on water quality issues in relation to urbanization. There are helpful links to brief articles on topics like storm runoff, wastewater, and the underground water table. Click "Water Science School HOME" to access the...

A map of major tectonic plates of the Earth showing where the Eurasian and Indo-Australian plates are located.

What elements are present in a desert ecosystem? What impact might humans have upon it? Learn more about the processes that affect desert ecosystems by visiting this site. Contains only one large illustration.

For this investigation, students start exploring the U.S. Geological Survey's (USGS) online version of the geologic map of Texas. The geologic time scale shown will help them figure out how old the rocks are in various parts of Texas.

Apple provides a description of the USAtlas Geology app, developed by the USGS. The app provides 46 layers of vector information available at The National Atlas of the United States Website.

This resource has a topographic map that tells you where things are and how to get to them. Use this site to help you use a map and compass to determine your location.

USGS provides lesson plans, activities, maps, podcasts, online lectures, videos and animations, and lots more. Covers all grade levels.