GEOLOGY

Volcano World

http://volcano.und.nodak.edu/

Photographs illustrate the shape and size of volcanoes.  Indexed by regions.  This site also contains project ideas and legends to read.

USGS:  Science for a changing world

http://quake.wr.usgs.gov/

General information about earthquakes is supplemented by information on the latest quakes, current research, and safety suggestions.

Rocks for Kids

http://rocksforkids.com/

Learn how rocks and minerals are formed, how to identify them, and how to start a collection.

Minerals A to Z

http://www.minerals.net/mineral/index.htm

This site provides a menu that accesses minerals by alphabetical order but also by chemical group, hardness, streak, and other characteristics.  Mineral information is presented in chart form.

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