Download Landforms

Earth
Crust
Rocks
Irruptions
Misc.
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What is the thinnest layer of
the earth?
The crust
Which layer is made of melted rock?
The Mantle
Name the theory that
suggests that the crust is
moving.
Plate Techtonics
Why is the earth’s
crust cracked and
moving?
Because of all the heat
and pressure within the
earth.
Describe what you would
find if you could dig a tunnel
to the center of the earth.
The first layer is the cold, thin crust made
of rocks.
The second, and largest layer, the mantle,
is very hot with melted rocks.
The third layer is the outer core made of
liquid iron.
Finally, I would reach the center when I
hit a solid ball of flaming iron.
Of course, the deeper I went the hotter it
was and the greater the pressure became.
What is weathering?
The natural wearing down and
breaking up of materials due
to the weather.
What is erosion?
The carrying away of
weathered materials.
What is the difference
between the Oceanic crust
and the Continental
Crust?
The Oceanic crust is thinner
and found underneath the
oceans.
The Continental Crust is
much thicker and carries a
continent on it.
What causes erosion and
weathering?
Moving water
Wind
Ice
Gravity
People, plants, and
animals
What can farmers do
to prevent erosion?
Keep something planted
at all times.
Use contour farming
techniques.
Rotate crops to protect the
nutrients within the
ground.
What is the rock cycle?
A map that shows how rocks are
made and changed.
What occurs when lava or
magma are cooled?
Igneous rocks are formed.
Which type of rock would
not exist without
weathering and
deposition?
Sedimentary Rock.
What happens to rocks
when they are exposed to
great pressure and heat?
They change into metamorphic
rocks.
What type of rocks are
limestone, sandstone, and
shale?
Sedimentary Rocks.
Where is lava found?
Outside the crust.
What is magma?
Melted rocks inside the
mantle.
Name the line where
volcanoes and earthquakes
occur.
A fault line.
What occurs when
plates shift?
Earthquakes.
Where is crustal plate
material being created?
Along divergent
boundaries like the
mid-ocean ridges.
What type of rock are
fossils found in?
Sedimentary.
Why are fossils important?
They tell how the earth
has changed.
What is run off?
Water that does not soak into
the ground as ground water, but
flows over the surface and
back to the ocean.
What and where is the
San Andreas Fault?
It is a sliding boundary fault
in California.
Name the scientist who
developed the theory of Plate
Tectonics.
Alfred Wegener.