What processes change Earth’s surface?

What processes change Earth’s surface?

Weathering:

Weathering is the process of breaking down rock into small pieces of silt, sand, and clay known as sediments.

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!

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!

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!

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!

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.

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

Erosion

Erosion is the process of moving sediments from one location to another.

Erosion: the process of moving sediment from one place to another

Waves erode and deposit new sand on beaches.

Erosion: the process of moving sediment from one place to another

Rivers carry sediment and

move it downstream.

DepositionDeposition is the process of dropping or depositing sediments in a new location.

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.

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.

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

Valley Glacier

Continental Glacier