At divergent plate boundaries in the ocean magma rises and melts because of what
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Definition1/15
Because of a decrease in pressure.
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Term1/15
Which type of landform develops at plate boundaries where one oceanic plate descends beneath another
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Definition1/15
A volcanic island arc
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Term1/15
How much of an increase in wave amplitude is seen from an earthquake measuring 5.4 on the Richter scale compared to one measuring 4.4
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Definition1/15
Ten times
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Term1/15
What are the volcanic landforms at divergent ocean plate boundaries called
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Definition1/15
The volcanic landforms at divergent ocean plate boundaries are
oceanic ridges.
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Term1/15
A lava flow with a surface of rough jagged blocks and sharp angular projections is called
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Definition1/15
aa (pronounced ah-ah)
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Term1/15
What is newly formed land consisting of an arc-shaped island chain called
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Definition1/15
Volcanic island arc
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Term1/15
What is the difference of the P waves and S waves used to locate an earthquake's epicenter
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Definition1/15
P waves, also called primary waves, are the first waves to be
registered on a seismograph. The S waves, or secondary waves, are
the second and slower wave to register on the seismograph. When
locating an earthquakes epicenter seismologists take the first
reading of the P wave, and then take the reading from the S wave.
At the station of where the earthquake was recorded, seismologists
draw a large circle from where the earthquakes epicenter could be.
TO exactly located the earthquakes epicenter there needs to be at
least 3 dfferent staions where the earthquake hit to determine its
epicenter using the S and P time interval.
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Term1/15
Why was Alfred wegeners idea that tidal forces might cause continental drift refuted as impossible
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Definition1/15
It would stop earth's rotation.
Showed that the tidal forces needed to move continents would
stop earths rotation.
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Term1/15
What is a sheet like body that cuts across rock layers and is produced when magma is injected into a fraction is called
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Definition1/15
A dike I got it right on a test
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Term1/15
What was the reason wegeners continental drift hypothesis was rejected
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Definition1/15
His evidence was incorrect.
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Term1/15
How do uplift and erosion help to form a batholith
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Definition1/15
by exposing a large body of igneous rock to the surface
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Term1/15
The trace that records an earthquake from seismic instruments is called a
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Definition1/15
magnitude
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Term1/15
Rocks can melt without changing temperature when the pressure exerted on them is .
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Definition1/15
Increase
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Term1/15
What does most magma forms from
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Definition1/15
Magma is liquid rock from volcanoes.
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Term1/15
How do ancient glacial deposits in Africa India Australia and South America support the idea of continental drift
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Definition1/15
G
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Cards in this guide (15)
At divergent plate boundaries in the ocean magma rises and melts because of what
Because of a decrease in pressure.
Which type of landform develops at plate boundaries where one oceanic plate descends beneath another
A volcanic island arc
How much of an increase in wave amplitude is seen from an earthquake measuring 5.4 on the Richter scale compared to one measuring 4.4
Ten times
What are the volcanic landforms at divergent ocean plate boundaries called
The volcanic landforms at divergent ocean plate boundaries are
oceanic ridges.
A lava flow with a surface of rough jagged blocks and sharp angular projections is called
aa (pronounced ah-ah)
What is newly formed land consisting of an arc-shaped island chain called
Volcanic island arc
What is the difference of the P waves and S waves used to locate an earthquake's epicenter
P waves, also called primary waves, are the first waves to be
registered on a seismograph. The S waves, or secondary waves, are
the second and slower wave to register on the seismograph. When
locating an earthquakes epicenter seismologists take the first
reading of the P wave, and then take the reading from the S wave.
At the station of where the earthquake was recorded, seismologists
draw a large circle from where the earthquakes epicenter could be.
TO exactly located the earthquakes epicenter there needs to be at
least 3 dfferent staions where the earthquake hit to determine its
epicenter using the S and P time interval.
Why was Alfred wegeners idea that tidal forces might cause continental drift refuted as impossible
It would stop earth's rotation.
Showed that the tidal forces needed to move continents would
stop earths rotation.
What is a sheet like body that cuts across rock layers and is produced when magma is injected into a fraction is called
A dike I got it right on a test
What was the reason wegeners continental drift hypothesis was rejected
His evidence was incorrect.
How do uplift and erosion help to form a batholith
by exposing a large body of igneous rock to the surface
The trace that records an earthquake from seismic instruments is called a
magnitude
Rocks can melt without changing temperature when the pressure exerted on them is .
Increase
What does most magma forms from
Magma is liquid rock from volcanoes.
How do ancient glacial deposits in Africa India Australia and South America support the idea of continental drift