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The Seismology data visualization tool to explore real-time earthquake data as a function of time, magnitude, and depth. This interactive tool displays real-time earthquake data from the USGS and historical data from 1898 to 2012. Users can also juxtapose plate tectonic boundaries, geologic imagery,...
Grade Level   9 10 11 12
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Under the surface , Although the surface of a wind wave appears to move forward in the general direction of the wind, the water inside a wind wave doesn't move forward very much.The waves at the surface of the ocean are called wind waves. Waves are set in motion by winds. Change the progressive...
Grade Level   4 5 6 7 8 9 10 11 12
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