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geo yr 5
volcanoes
facts |
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the earths crust is broken into large segments called tectonic plates |
tectonic plates float on jam like rock this area is called the mantle |
the mantle moves in big circles as it gets heated by the earths core |
the plates can move apart (this happens in Iceland) or the plates can move side by side (N.Z.) the plates can also move together (Italy) |
this plate movement can be seen as earthquakes and creates volcanoes |