Biomes Caves Climate Earthquakes Geysers Glaciers Global Warming Hydrology Land Forms Natural Resouces

Pangaea Plate Tectonics Pollution Recycling Rivers Rocks and Minerals Seasons Tundra Volcanoes Water Cycle Wetlands

Minnesota Ideals: Bell LIVE!
Water...we all depend on it for survival. But water is a scarce resource�only onepercent of all water on earth is freshwater! How can we keep this water pure and fresh?
http: //www1.umn.edu/bellmuse/mnideals/watershed/wa...

Monitoring Volcanic Unrest at Long Valley Caldera, California
A site devoted to the studies being conducted by the U.S. Geological Survey of the Long Valley Caldera in eastern California. Describes the monitoring effort and provides realtime data of the current volcanic activity.
http: //quake.wr.usgs.gov/VOLCANOES/LongValley/

Musical Sand
This site contains information on musical sand, an unusual physical phenomena that occurs naturally in two distinct forms: on beaches as squeaking sand and in deserts as booming sand.
http: //wao.or.jp/smiwa

Mysterious Journey
Mysterious Journey is a Thinkquest 1999 Entry which focus on the 3 major biomes around the world: Rainforest, Desert and Grassland. We includes both photos and text in order to make our homepage informative. We also develop an interactive game - Treasure Hunt, which arouse visitor's interest in these topics and explore our website.
http: //library.advanced.org/26634/

NOAA, tide prediction page update
This system will allow you to calculate tidal predictions for more than 3000 tide stations.
http: //opsd.nos.noaa.gov/tp4days.html

National Snow And Ice Information Center

http: //www-nsidc.colorado.edu

Neptune's Web

http: //cnmoc.navy.mil/educate/neptune/neptune....

Ocean Currents
Information on Space,the weather, the earth, oceans and more. Contains a great deal additional links to other sites.
http: //athena.ivv.nasa.gov/curric/oceans/drift...

Old Faithful Geyser of Napa Valley Califorina
California's Old Faithful Geyser, a pectacular, nature-directed performance.
http: //oldfaithfulgeyser.com/

Ozone Mapping

http: //epa.gov/airnow/ozone.html

Ozone depletion

http: //dar.csiro.au/ozone/default.htm

Peakware World Mountain Encyclopedia
Hundreds of classic mountain peaks and ranges. Site includes descriptions, data, web links, photos, relief maps, interactive summit logs, live cams, guidebooks and more.
http: //peakware.com/encyclopedia/index.htm

Physical Environment

http: //antarctic.com.au/encyclopaedia/physical...

Physical Geography Resources
A mixture of images, datasets, and data libraries,Current Weather Images, Maps and Movies, Earth Topography...
http: //feature.geography.wisc.edu/phys.htm

Precipitation: hail, rain, freezing rain, sleet and snow
When cloud particles become too heavy to remain suspended in the air, they fall to the earth as precipitation. Precipitation occurs in a variety of forms; hail, rain, freezing rain, sleet or snow.
http: //ww2010.atmos.uiuc.edu/Gh/guides/mtr/cld/prc...

Russ Finley- Photography of our National Parks
Formation of the Yellowstone Caldera
http: //yellowstone.net/russfinley/tour/caldera...

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