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Transcript 
Earth as a System
By: Miss Emily Hess
Main components of the earth
ATMOSPHERE (AIR)
GEOSPHERE (LAND)
HYDROSPHERE (WATER)
BIOSPHERE (LIFE)
ATMOSPHERE
•Made up
of a
mixture of
gasses
•Insulation
Energy transfer in the atmosphere
Convection Current
• Continual process of warm air rising and cool
air sinking in a circular motion in the
atmosphere.
•
REVIEW
Layers of the Earth
Layers of the Earth
Crust
•Two types:
•Oceanic Crust
•Continental Crust
Mantle and Core
Tectonic Plates
•Glide on top of
the
asthenosphere
•Continents are
located on
tectonic plates
Plate Boundaries
•Divergent
•Convergent
•Transform
Divergent
As plates
separate,
fractures are
filled with
molten rock
which cools
and forms
new oceanic
crust.
*
Transform
•The result of two
massive plates
pushing up
against each
other is a lot of
energy.
•Occasionally this
energy is released
suddenly in the
form of
earthquakes.
Convergent
•REVIEW
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