Earth quakes

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Earth-quakes
Ground-water
Surface-water
Glaciers
Challenge
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The above simulation shows which type of wave
traveling through a Slinky?
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P-wave
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How many seismic stations are required to be able
to determine the location of an earthquake
epicenter?
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Three (3)
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Which type of seismic wave travels the fastest?
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P waves
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The location on the earths surface directly
above the focus is called the ____________.
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epicenter
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Each increase of one whole number in Richter
magnitude represents what increase in energy?
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A 31-fold increase in energy
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The amount of water that can be held in the
spaces between the grains of material is called
_________.
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Porosity
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The top of the saturated zone is called the
_________ ________.
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Water table
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This type of well requires no pump.
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Artesian
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In calculating a water budget, the time period
when water is being added to the soil is called
_______.
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Recharge
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You have a beaker of 300 mL of sand. To
calculate its porosity you pour water in to the
sand until it is completely saturated. You
estimate that you needed 120mL of water to
saturate the sand. What is this sands porosity?
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40
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In what direction does a river flow?
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downhill
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The volume of water that flows past a point at a
given time is called a rivers ___________.
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Discharge
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All of the following will soon increase river
discharge EXCEPT

• A heavy rainfall
• A dam release (downstream)
• A 40F spring day one day after a large snowfall
• A heavy snowfall on a very cold day

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d) A heavy snowfall on a very cold day
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The high land that separates one drainage basin
from another is called a __________.
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divide
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This area includes all of the land that drains
into a river.
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Watershed OR drainage basin
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Minnesota was once covered by which type of
glacier?
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Continental
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The ways that glaciers can move are by basal slip
and this other type of flow.
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plastic
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Mr. Wood is very proud of this type of glacial
feature near his hometown in North Dakota. Its
a long, narrow ridge of material that was
deposited by a stream underneath a glacier.
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Esker
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The big hill inside the Army Ammunition plant (a
conical hill of sediment deposited by a stream
flowing off the top of a glacier) is an example
of what type of glacial feature?
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Kame
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The last glaciers left Minnesota about how many
thousands of years ago?
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11 (thousand)
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The formation of a river delta is an interaction
between these two spheres of Earth Science.
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Geosphere and hydrosphere
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A stream that flows into another stream is known
as a(n) _________________.
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tributary
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The period shown in tan on this water budget
graph where no water is left in soil water
storage.
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Deficit
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The ancient river that flowed through the
present-day Minnesota River Valley that drained
glacial lake Agassiz is known as glacial River
____________.
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Warren
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At the base of Minnehaha Falls in Minneapolis
lies a layer of rock known as the ______ ______
______that is continually being worn away by
turbulent surface water flow.
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St. Peter Sandstone(This layer is high in
silicawas used to make glass for windshields at
the Ford plant.)