Parts of The Planet Earth
Atmosphere
The atmosphere, the envelope of air
which surrounds the earth, extends
about 200 miles from the surface,
and is composed of four strata:
the troposphere, the stratosphere,
the ionosphere, and the exosphere.
Lithosphere
The lithosphere is the solid outer
crust of the earth , on which all the
land and water of the earth rest.
Hydrosphere
The hydrosphere is all the water
of the earth, including the water
in the atmosphere.
Barysphere
The barysphere is the inner portion
of the earth that lies beneath the
lithosphere. it is composed of two distinct
regions or layers: the mantle and the core.
Pinegreenwoods Montessori
