hills texas hill country hills hills of tennessee
TRANSCRIPT
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Hills
Texas Hill Country
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Hills
Hills of Tennessee
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Mountains
Rocky Mountain National Park in Colorado
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Bald Mountain in the Uinta Mountain Range in Utah
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Rivers
The Colorado River in the Grand Canyon
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Rivers
The Mississippi River in the Great Plains Area of Missouri
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Oceans
The Coastal Plains of New Jersey - Atlantic Ocean
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Oceans
The Gulf of Mexico in Florida
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Deltas
• Deltas are formed by the sediment in a river
• The sediment settles at the mouth of the riverin a triangular shape
• Deltas are found where a river meets a larger body of water
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Deltas
This is the Mississippi Delta at the mouth of the Mississippi River in the Gulf of Mexico. It has eroded over time.
January 1973 March 1989 January 2003
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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.
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Canyons
This is the Grand Canyon in Arizona. It has taken millions of years for ice, wind and water to form the Grand Canyon.
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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.
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Sand Dunes
The Kelso Sand Dunes are found in the Mojave Desert in California.
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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
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Frost Wedging
Ypsilon Mountain is in the Rocky Mountain National Park in Colorado. The rocks on this mountain were split by frost wedging.