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Transcript 
Rock Cycle
“Rock”
On
Potpourri
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Seismic Waves
Earthquake
Measurement
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This seismic wave travels the fastest.
P-wave
This seismic wave can’t move
through liquids.
S-wave
This seismic wave causes the most
destruction.
Surface waves
This seismic wave is the second to
arrive.
S-wave
This seismic wave is the first to
arrive.
P-wave
This scale measures the magnitude
of an earthquake.
Richter Scale
This scale measure the intensity of
an earthquake.
Mercalli Scale
The Richter Scale expresses
measurements using these
numbers
The Mercalli Scale expresses
measurements using these
Roman numerals
The focus of an earthquake is
located where…
Inside the Earth where the
earthquake begins.
Sedimentary rocks are formed by
these two processes…
Compaction and cementation
These two things must be present to
form metamorphic rocks….
Heat and Pressure
Igneous rock was once this….
Molten rock or magma
Intrusive igneous rock forms
here…..
Inside the Earth
Extrusive igneous rock forms here…
Outside the earth usually near
volcanoes
This type of rock forms from
layers of sediment forming layers
over long periods of time…
Sedimentary rock
This type of rock is formed by
heat and pressure….
Metamorphic Rock
This type of rock forms from
molten rock or magma
Igneous Rock
This type of rock forms when
magma cools and solidifies…..
Igneous Rock
Erosion and weathering are the
processes that help create this
type of rock….
Sedimentary rock
I am a person who studies
earthquakes.
Seismologist
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According to the diagram, how long
did it take for the P-waves to arrive?
4 minutes
This is the area of the Earth that
does not receive P-waves…
Shadow Zone
This is the area of the Earth that
is the boundary between the crust
and the mantle, seismic waves
speed up here….
Moho Zone
What type of rock would contain
fossils?
Sedimentary rock
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