02-13 Lithosphere + Asthenosphere

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1. Mouths are quiet.
2.Homework in your folder.
3. Begin the quick review section of your
notes.
4.Raise your hand if you need something.
Quick Review
Each of the following situations illustrates
one of Newton’s Laws using the space shuttle.
List which one.
1. The rocket’s engines exert a downward force on
the ground but the rocket moves upward.
Newton’s Third Law
2. One of the solid rocket boosters on the shuttle
produces 1.25 x 107 N of force which accelerates its
m
5
5.71 x 10 kg mass to a velocity of 21 .
s
Newton’s Second Law
Quick Review
mi
.
hr
3. During liftoff, it reaches a speed of 17,180
It
continues at this speed while in orbit because no outside
forces are acting on it.
Newton’s First Law
4. During liftoff, the shuttle’s engines produce 5.255 x 106 N
of force. If the 1.1 X 105 kg at liftoff, estimate its
acceleration:
5 x
m
1
10 .
𝑠2
Lesson 6.2 – The Lithosphere
I can describe the physical nature of the lithosphere including the density,
composition, and location of continental and oceanic crust. (4a)
1. The Earth’s crust
is also referred to
as the
lithosphere.
2. The lithosphere is
very rigid. It will
not bend but will
instead crack.
I can describe the physical nature of the lithosphere including the density,
composition, and location of continental and oceanic crust. (4a)
3. The lithosphere is less
dense than the
asthenosphere.
A. You can remember this
because less dense
substances will float on
top of denser substances.
Since the lithosphere is on
top of the asthenosphere it
must be less dense.
I can describe the physical nature of the lithosphere including the density,
composition, and location of continental and oceanic crust. (4a)
4. There are two types of
lithosphere:
a. Oceanic lithosphere is
found underneath the
oceans.
b. Continental
lithosphere makes up the
continents of Earth.
I can describe the physical nature of the lithosphere including the density,
composition, and location of continental and oceanic crust. (4a)
5. Oceanic
lithosphere is more
dense than
continental
lithosphere because
of the types of
minerals that make
up the rock.
I can describe the physical nature of the lithosphere including the density,
composition, and location of continental and oceanic crust. (4a)
6. The thickest part of the
lithosphere is found in
mountain ranges.
a. The tallest mountain
on Earth is Mt. Everest.
This is also the location
on Earth where the
lithosphere is the
thickest.
WORK WITH US…NOT AHEAD OF US!
I can describe the physical nature of the lithosphere including the density, composition,
and location of continental and oceanic crust. (4a)
1. Which part of the lithosphere is the thinnest?
Oceanic lithosphere
2. Which of these describes the lithosphere?
A. Topmost solid part of Earth in which crust is located
B. Middle liquid, flowing layer of Earth on which crust
floats
C. Middle plastic, flowing layer of Earth on which the
asthenosphere floats
D. Topmost semisolid part of Earth in which magma
chambers for volcanoes form
Do you know what that means?
(5 questions)
1. What is the outermost layer of
the Earth called?
A. Mantle
B. Asthenosphere
C. Lithosphere
D. Inner
Core
2. Which layer, the lithosphere or
asthenosphere, is more dense?
Lithosphere
B. Asthenosphere
C. They have the same density
D. Sometimes the lithosphere is more
dense while other times the
asthenosphere is more dense.
A.
3. What type of lithosphere would be
found at the Himalaya Mountains, the
Great Plains of the U.S. and the
Savannahs of Kenya?
A. Oceanic Lithosphere
B. Continental Lithosphere
C. Mountainous Lithosphere
D. Both oceanic and continental
lithosphere
4. Which type of lithosphere, oceanic or
continental, is less dense?
A.
B.
C.
D.
Oceanic
Continental
They have the same density
Sometimes oceanic is less dense and
other times continental is less dense.
5. Which of the following correctly compares
the lithosphere and the asthenosphere?
A.
B.
C.
D.
Both are hot, liquid inner layers of earth.
Both are solid, cool layers of earth close to
the surface.
The lithosphere is rigid and less dense than
the hot and liquid asthenosphere.
The asthenosphere is rigid and less dense
than the hot and liquid lithosphere.
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