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9 terms

5th Science Earth - Lithosphere "Land"

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Lithosphere
a rigid block of crust and upper mantle rock.
Crust
the outer layer of the Earth.
Mantle
the layer of the planet Earth beneath the crust and outside of the core.
Core
the center-most part of Earth.
Volcano
an opening in Earth's crust through which molten lava, ash and gases are ejected.
Magma
molten rock beneath the Earth's surface (*found inside a volcano).
Lava
molten rock that issues from a volcano (*liquid that flows on the outside of a volcano).
Plate tectonics
when the plates of Earth's crust move to form landforms such as mountains and trenches.
Pangea theory
the idea that the Earth originally consisted of one large super-continent (one piece of land).