September is National Preparedness Month and a good time to explore USGS classroom resources for learning about earthquakes, volcanoes, landslides, floods, wilfires, and sinkholes. Visit our pages for Primary (K-6), Secondary (7-12) and Undergraduate grade levels at the right to find the appropriate materials.
Manganese—It Turns Iron Into Steel (and Does So Much More)
Manganese is the 12th most abundant element in the Earth's crust and one of the most critical mineral commodities for the U.S. Learn about the importance of manganese in a new, 2-page fact sheet.
Biology, Geography, Geology, Water, and much more...