Rock Hounds is a group of activities, puzzles, literature sources, and quizzes that may enhance any K-12 geology unit. Rocky, the Rock Hound, leads learners through an adventure and gain an understanding of the rock cycle including how sedimentary, metamorphic, and igneous rocks form. A lesson plan included in the Teaching Connections section compiles these resources into a progression that could ... Full description.

This interactive map shows soil liquefaction susceptibility for the nine counties in the San Francisco Bay area. The map is color-coded; areas of highest susceptibility are colored in shades of red. Full description.