what processes change earth’s surface?
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What processes change Earth’s surface?TRANSCRIPT
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What processes change Earth’s surface?
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Weathering:
Weathering is the process of breaking down rock into small pieces of silt, sand, and clay known as sediments.
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Weathering: the process of breaking rock into silt, sand, clay, and other tiny pieces called sediment
Rivers carve deep canyons in rock.
Just like Arizona’s Grand Canyon!
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Weathering: the process of breaking rock into silt, sand, clay, and other tiny pieces called sediment
Ocean waves can weather
cliffs and cause them to fall into the sea!
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Weathering: the process of breaking rock into silt, sand, clay, and other tiny pieces called sediment
Rain that flows into cracks in rocks can freeze and
expand, causing the
rock to break!
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Weathering: the process of breaking rock into silt, sand, clay, and other tiny pieces called sediment
Rain that becomes acidic because of pollution can dissolve rock!
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Weathering: the process of breaking rock into silt, sand, clay, and other tiny pieces called sediment
Flowing water tumbles rocks against each
other, breaking them into
smaller pieces.
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Wind is another cause of
weathering. These arches
form from years of wind carrying sand!
Weathering: the process of breaking rock into silt, sand, clay, and other tiny pieces called sediment
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Erosion
Erosion is the process of moving sediments from one location to another.
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Erosion: the process of moving sediment from one place to another
Waves erode and deposit new sand on beaches.
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Erosion: the process of moving sediment from one place to another
Rivers carry sediment and
move it downstream.
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DepositionDeposition is the process of dropping or depositing sediments in a new location.
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Deposition: the process of dropping, or depositing, sediment in a new location
Waves deposit sand on the
shore and rivers deposit
sediment on river banks or
in deltas.
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Erosion: the process of moving sediment from one place to another
Wind also erodes land. It carries sand
and sediment from one place to another.
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Erosion: the process of moving sediment from one place to another
Glaciers can also erode
sediment and deposit it in
another area.
Deposition: the process of dropping, or depositing, sediment in a new location
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Valley Glacier
Continental Glacier