Landforms

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Hills
Texas Hill Country
Hills
Hills of Tennessee
Mountains
Rocky Mountain National Park in Colorado
Bald Mountain in the Uinta
Mountain Range in Utah
Rivers
The Colorado River in the Grand Canyon
Rivers
The Mississippi River in the Great Plains Area of
Missouri
Oceans
The Coastal Plains of New Jersey - Atlantic Ocean
Oceans
The Gulf of Mexico in Florida
Deltas
• Deltas are formed by the
sediment in a river
• The sediment settles at
the mouth of the river
in a triangular shape
• Deltas are found where a
river meets a larger body
of water
Deltas
January 1973
March 1989
January 2003
This is the Mississippi Delta at the mouth of the
Mississippi River in the Gulf of Mexico.
It has eroded over time.
Canyons
• Canyons are formed by
layers and layers of rocks
and sediment.
• Water, ice and wind
move the rocks and
sediment.
• Over time, the sediment
and rocks settle and
create a new layer in a
canyon.
Canyons
This is the Grand Canyon in Arizona. It has taken
millions of years for ice, wind and water to form the
Grand Canyon.
Sand Dunes
• Sand dunes are formed
by the wind which carries
light grains of sand.
• The wind can cause
heavy grains of sand to
bounce.
• All the blown sand
accumulates and settles
into a dune.
Sand Dunes
The Kelso Sand Dunes are found in the
Mojave Desert in California.
Frost Wedging
• Frost wedging occurs
when water freezes then
thaws
• This process causes
erosion
• Frost wedging is so
strong, it can cause rocks
to split
Frost Wedging
Ypsilon Mountain is in the Rocky Mountain
National Park in Colorado. The rocks on this
mountain were split by frost wedging.
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