This link takes you directly to the USGS education section For geology/earth science information, click on a grade level link at the top of the page then scroll down until you find the geology section. The agency
Home Page offers a number of other subject options including a round about path to the
Mineral Industry Surveys where you will find information about such things as mineral production, supply and demand as well as geophysical and geochemical information collected and reported by the agency.