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Plate tectonics is the unifying theory of Earth science and explains many of the major features of how our planet operates. It accounts for Earth's history including the distribution of life and past climate change.
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2
Find a variety of Flash animations, from minerals to weathering to structural geology, check out the animations on plate tectonics and there is now a new one, (see Mantle dynamics and plate tectonics) that explains how the use of seismic tomography sheds new light on the mantle convection model.
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3
Published in 1998
"Here is the original Virtual Cave, devoted to the astounding variety of nature's handiwork found in solution caves, those dissolved out of solid rock by acidic waters. Most solution caves are found in carbonate rocks (limestone, dolomite, or marble) or gypsum. They may occur in sandstones, since...
Grade Level   3 4 5 6 7 8 9 10
Teaching Media Virtual Field Trips
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