Download Unit 5: Dynamic Earth

Topic:
Inferred Properties of Earth’s Interior
Simple Model of Earth’s
Interior
Crust
Mantle
Inner
Core
Outer Core
ESRT page 10
Yes, take out
your ESRT
NOW!
Thanks 
Density of the Crust on the ESRT
Increasing
Depth
Increasing
Density
What section of
crust is shown in
the diagram?
Crust
-
Thinner
Thicker
Felsic &
mostly
granite
Mantle
Continental Crust vs. Oceanic Crust
Continental:
Oceanic:
-----
-----
What is the Lithosphere?
- - -
What is the Moho?
MOHOMohorovicic Discontinuity:
–-
Andriji Mohorovicic.
1909
What is the Asthenosphere?
• • -
Diverging Plates
Converging Plates
What is the Mantle?
• • Thickest
layer of
the
Earth
What is the Outer Core?
• • -
Outer
Core
What is the Inner Core?
• • • -
Inner
Core
Composition of the Cores
• • -
Review Question
What are the major differences between
the continental crust and the oceanic
crust?
Continental:
•-
Oceanic:
•-
ESRT pg 10
More on the Interior
Surface of
Earth
Center of
Earth
Radius of Earth = 6378 KM
Sample Question: What is the depth of the outer and inner core
boundary?
5100 km (remember units!!!)
1.5 millions of atm.
What is the
Pressure at the
mantle and
outer core
boundary?
Represents the
Pressure at
different depths
What is the temperatures at the lithosphere and
asthenosphere boundary?
1000°C
Line represents
the temperatures
inside the earth
ThisIfdotted
line shows the
melting
of material
the temperature
is below
thepoint
melting
point,
in the
Earth.
does melting point mean?
what
phaseWhat
is it in?
-From
Solid to a Liquid
-Solid
Solid
Solid
Liquid
Solid
Which layers in the diagram have temperatures
below the melting point? Which phases are they in?
Liquid phase where temps. are above the melting point.
Final Question:
• Which type of crust is the most dense?