Changes to Earth's surface

Front

What are glaciers?

Back

Glaciers are large masses of ice that move slowly over land, shaping the landscape as they advance.

Front

What landform is created by glaciers?

Back

A wide valley is often formed by the movement of glaciers.

Front

What is a valley?

Back

A valley is a low area of land between hills or mountains.

Front

What is a dune?

Back

A dune is a hill of sand formed by the wind, often found in deserts or near beaches.

Front

How are river deltas formed?

Back

River deltas are formed by the deposition of sediments carried by the river as it flows into a larger body of water.

Front

What creates a U-shaped valley?

Back

U-shaped valleys are created by the erosion of glaciers.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by wind, water, or ice.

Front

What is deposition?

Back

Deposition is the process where materials are laid down or deposited after being transported by wind, water, or ice.

Front

What is weathering?

Back

Weathering is the breaking down of rocks and minerals into smaller pieces by natural processes.

Front

What is a canyon?

Back

A canyon is a deep, narrow valley with steep sides, often carved by a river.