Check out the list of interactive geology activities here.
FEMA offers a unit known as Tremor Troop for teachers to teach about earthquakes. Download a complete unit of study(.pdf file).
From the Smithsonian Institute: learn about "The Dynamic Earth." This is a full visual and interactive must see!!! Teachers and students will both be wowed by the amazing graphics, animation and detailed text.
Geological Links for Idaho
The Idaho Geological Survey is "the special public service and research agency at the University of Idaho mandated by law to collect and disseminate geologic and mineral data for the state." There are connections to Idaho maps and geologic links.
Earthquake Information for Idaho
The National Earthquake Information Center (NEIC) has a section about Idaho including history, maps, and recent earthquakes.