USGS-The Learning Web - Learn how Biology, Geology, Hydrology, and Geography can help us understand our changing world. Web Geological Time Machine - a great, sprawling geological and paleontological journey from the birth of the planet to today. Volcano World - Brings modern and near real-time volcano information to school kids. Become a Rock Detective - A program based on classroom-tested earth science mysteries; large kit of rocks, fossils and minerals; step-by-step instructions; for science- or non-science oriented K-12 teachers. This Dynamic Earth - Online version of a U.S. Geological Survey brochure on the topic of plate tectonics. The site seems appropriate for high-schoolers and above (and advanced middle schoolers). Covers the historical development of plate tectonics as a theory, how we see it in action today, and how tectonics affects people. Earth Science Educational Standards - Summary of National Academy of Sciences pre-college (K-12) science education standards related to earth sciences, with links to useful web sites related to each topic. Site maintained by Kentucky Geological Survey. Earth Science Week - Earth science education event in October of each year. Web site features educational activities, geology questions and answers, and links to other geologic education resources. Educational Activities in the Earth Sciences - From Society for Sedimentary Geology. Indexed by subject matter and age range.