Here are some collections of Earth Science related professional literature or links to useful online sources (including classroom lessons and labs).
1. Geology.com: This website features a wide variety of Geology and Earth Science topics, and includes an area for Teacher Resources.
2. IRIS (Incorporated Research Institutions for Seismology): This website features teacher resources (including lessons) for earthquakes. Look under the EDUCATION tab.
3. U.S. Geological Survey: Provides information on a variety of Earth Science topics and includes real-time or near real-time data on current conditions and earth observations.
4. National Park Service: Provides information and virtual tours of our national park system.