Final Jeopardy

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Layers of the Earth Continental Drift Plate Tectonics Rock Deformations Mountain Building
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
Final Jeopardy
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What layer represents 2/3 of Earths total mass?
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mantle
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4
What is the plastic layer of the mantle on which
pieces of the lithosphere move?
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Asthenosphere
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What is the only liquid layer of the Earths
interior?
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Outer Core
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We know much about the interior of the Earth
because we have mapped the movement of these.
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seismic waves
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10
Where is the thickest part of the South American
plate located?
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Andes Mountains
South American Plate
Andes Mountains
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12
What is the name of the scientist who first
hypothesized the idea of continental drift?
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Alfred Wegener
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14
The present day continents were once joined in a
large continent known as this.
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Pangaea
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What is the process by which new oceanic
lithosphere forms as magma rises toward the
surface and solidifies?
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sea-floor spreading
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The rate at which the continents move per year
can be measured in what units of length?
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centimeters
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20
When magnetic reversals occur on the ocean floor,
what element is found in the rock that helps us
measure the magnetic direction?
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iron
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22
What plate boundary is responsible for creating
subduction zones?
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convergent plate boundary
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What type of plate boundary is the San Andreas
fault in California where the plates slide past
one another?
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transform boundary
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What is the name for the boundary where two
tectonic plates are separating away from each
other?
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divergent boundary
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Where will the next ocean form, millions of years
from now?
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Red Sea
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Oceanic lithosphere at mid-ocean ridges slides
downhill under the force of gravity because of
this
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ridge push
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What is the process by which the shape of rock
changes because of stress?
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deformation
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What type of fold is in the rock layers below?
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monocline fold
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Normal faults are created because of this type of
stress and found at these types of plate
boundaries.
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divergent boundary tension
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What type of fault is created because of tension
at transform plate boundaries?
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strike-slip fault
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What type of fault is shown below?
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reverse fault
Hanging Wall
Foot Wall
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42
What type of mountains form at convergent plate
boundaries where rock layers are slowly squeezed
together?
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folded mountains
Himalayas, Asia
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44
The Cascade Mountains in Oregon and Washington
state are considered what type of mountains?
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volcanic mountain
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What type of mountains are formed when tension
causes large blocks of Earths crust to drop down
relative to other blocks?
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fault-block mountains
Grand Tetons, Wyoming
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What can be created when a set of deep cracks
form between two tectonic plates that are pulling
away from each other?
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rift zones
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What type of mountain are the Appalachians
considered?
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folded mountains
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What is the tallest mountain in the world?
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Mauna Kea in Hawaii (33,000 feet!)
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