U.S. Geological Survey
This site provides a wealth of resources for geology, hydrology, biology, and geography. You can locate information by science topic.
Intended Audience: General Reading Level: High School Teacher Section: Yes Searchable: No

Learning Web
Have a geology question? Check out this site at this site for students and teachers from the USGS. You can ask a geologist your question; learn about careers in science; or learn more about rocks, natural hazards, water, ecosystems, and natural resources. You'll also find games, maps, images, and science glossaries and teachers will find lesson plans activities and other learning tools and resources.
Intended Audience: Students/Teachers Reading Level: Elementary/Middle School Teacher Section: Yes Searchable: Yes

The Dynamic Earth
This multimedia site from the Smithsonian National Museum of Natural History looks at the solar system, gems and minerals, plate tectonics and volcanoes, and rocks and mining.
Intended Audience: Students Reading Level: Middle School Teacher Section: No Searchable: No

Earth Today
This multimedia site from the National Air and Space Museum features animations of the earth that focus on the atmosphere, the geosphere, the hydrosphere, the biosphere, and the Earth at night. You can also view near real-time images of global cloud cover, earthquakes, sea surface temperature, and global water vapor.
Intended Audience: General Reading Level: Elementary/Middle School Teacher Section: No Searchable: No

Geologic Time: The Story of a Changing Earth
This site from the Smithsonian National Museum of Natural History features an interactive timeline of geologic history and loads of information about each period.
Intended Audience: Students Reading Level: Middle School Teacher Section: No Searchable: No

Exploring Earth: Visualizations
This site from McDougal Littell has over 50 visualizations and animations of key earth and space science concepts.
Intended Audience: Students Reading Level: Middle School Teacher Section: No Searchable: No

The Earth
Explore the Earth at this site from Enchanted Learning where you can learn about continental drift, the oceans, the atmosphere, the water cycle, the Earth's interior, and the geologic time line. The site has printouts, quizzes, printouts, and other resources.
Intended Audience: Students Reading Level: Elementary School Teacher Section: No Searchable: No

Earth: Our World in Motion
Learn more about rocks, plate tectonics, sea vents, and the planets at this site for kids from the American Museum of Natural History.
Intended Audience: Students Reading Level: Elementary School Teacher Section: No Searchable: No

The Geological Society of America
You'll find some online maps, field guides, and publications at this site along with teacher and classroom resources, including lesson plans and Websites.
Intended Audience: General Reading Level: High School Teacher Section: Yes Searchable: Yes

Geology.com
Get the latest geology news, view satellite images from across the country, or check out a geology dictionary.
Intended Audience: General Reading Level: Middle Teacher Section: No Searchable: No

Geology Wing
This site from the Museum of Paleontology at the University of California, Berkeley takes students on a journey through the history of the Earth, with stops at particular points in time to examine the fossil record and stratigraphy.
Intended Audience: General Reading Level: Middle Teacher Section: No Searchable: No

Geology Labs Online
This site from California State University is designed for middle school through college classrooms. Check out the Virtual Earthquake and River or learn how geologists use isochron and radiocarbon dating.
Intended Audience: Students Reading Level: Middle School Teacher Section: No Searchable: No

Geology Online
This site from the Illinois State Museum features a geo gallery with images of over 100 of rocks, minerals, and related artifacts in the museum's geology and anthropology collections.
Intended Audience: General Reading Level: Middle School Teacher Section: Yes Searchable: Yes

Geology Link
This site from Houghton Mifflin, designed as a companion site to two geology textbooks, includes an Earth Today feature, geology news, virtual field trips, a geology glossary, and an overview of basic geology concepts.
Intended Audience: College Students Reading Level: High School Teacher Section: No Searchable: No

Savage Earth
You'll find articles and animations at this site from PBS that explores earthquakes, volcanoes, and tsunamis.
Intended Audience: General Reading Level: Middle Teacher Section: No Searchable: No

Savage Planet
This site from PBS explores volcanoes, extratropical storms, lightning and near earth objects, and avalanches.
Intended Audience: General Reading Level: Middle Teacher Section: No Searchable: No