Minerals Resources -Atlas of igneous and metamorphic rocks, minerals, and textures. Super resource for rocks and minerals, sedimentary deposits and layers, and all your geologic information.

Weather Dictionary -There are over 800 weather-related terms,covering the environmental sciences including Alberta clippers, wind, heat, water, celsius, thunderstorms, air, ceiling, visibility, sea level, boiling point, poles, equator, fog, gales, current, sky, clouds, jet stream, climate, tornadoes, hurricanes, blizzards, circulation, westerlies, water vapor, evaporation, humidity, and more.

Paleomap Project -This site illustrates plate tectonic development currently and historically.

Rob's Granite Page -Take a virtual field trip to E-rock, a granite dome in Central Texas, and learn about granite.

Savage Earth -On-line compilation about earthquakes, volcanoes, tsunamis, and other natural disasters includes animated illustrations, photos and video downloads.

Geologic Ages of Earth History -Learn about eras, periods, epochs, and ages of the Earth's history.

Global Postitioning -Learn about what the Global Positioning System is and how it is applied to study earthquakes and other geological phenomena.

Proton Precession Magnetometer -Build this educational instrument to measure the magnitude of a local geomagnetic field.

Geological Time -Learn about age of the Earth and different eras of geological time.

U.S. Geological Survey -Learn about the functions of the US Geological Survey while learning about volcanoes, hurricanes, and earthquakes.

PANGA -Information on plate tectonics, earthquakes, and volcanology from the Pacific Northwest Geodetic Array.

Petrography -This atlas of coals, cokes, chars, carbons, and graphites includes photographs and tutorials. Sedimentation, striations, rock layers, mineral deposits, magnetic poles, and more.