Geology.com provides a variety of geoscience materials including daily Earth science news, maps, an online dictionary of Earth science terms, and information on geoscience careers. Also available are resources for teachers, including links to lesson plans from major Earth science organizations such as the U.S. Geological Survey, the Geological Society of America, and NASA.
"An educator's guide to open educational resources (OER), including online repositories, curriculum-sharing websites, sources for lesson plans and activities, and open textbooks."