Front

What is a canyon?

Back

A canyon is a deep valley with steep sides, often formed by the erosion of a river over a long period of time.

Front

What is a delta?

Back

A delta is a landform that forms at the mouth of a river, where it meets a body of water, and is created by the deposition of sediment.

Front

What is a sand dune?

Back

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

Front

What is a U-shaped valley?

Back

A U-shaped valley is a valley with a U shape, formed by the movement 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 by which sediments, soil, and rocks are added to a landform or land mass.

Front

What is weathering?

Back

Weathering is the breaking down of rocks and minerals into smaller pieces by natural processes such as wind, water, and temperature changes.

Front

What agent forms canyons?

Back

Canyons are primarily formed by the erosion caused by rivers.

Front

What agent forms sand dunes?

Back

Sand dunes are formed by the wind blowing sand into piles.

Front

What agent forms U-shaped valleys?

Back

U-shaped valleys are formed by glaciers moving through the landscape.