The Earth is a dynamic or constantly changing
planet. The thin, fragile plates slide very slowly on the mantle's
upper layer. This sliding of the plates is caused by the mantle's
convection currents slowly turning over and over. This overturn is like
a conveyor belt that moves the plates of the crust.
These plates are in constant motion causing earthquakes, mountain
building, volcanism, the production of "new" crust and the destruction
of "old" crust. The following cards will teach you more about the
Earth's plates.
Click on the "Next" button to see where these plates are
located. |
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