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Science
Science
6th Grade - Earth Science
7th Grade - Life Science
8th Grade - Physical Science
Earth
Dynamic Earth
Rock Cycle
USGS--water
Volcanoes
Plate Techtonics
Earth's Active Volcanoes by Geographic Region
USGS - Cascades Volcano Observatory (CVO)
CVO Photo Archive
USGS - Hawaiian Volcano Observatory
PBS - Mountains of Fire
Weather
EPA - Climate Change
FEMA - Disaster Master
Hurricanes
NOAA - Hurricanes
HurricaneCity.com
National Hurricane Center
Tornadoes
Tornado pictures
NOAA Severe Weather
Tornadoes, thunderstorms and lightning
USA Today - Tornado Science and Safety
The Tornado Project Online
Astronomy
NASA's Imagine the Universe
Kids Astronomy.com
Moon Phases
NASA
NOVA - What Causes the Tides
Windows to the Universe