Earth's Surface Changes and the Grand Canyon

Front

What river carved out the Grand Canyon?

Back

The Colorado River carved out the Grand Canyon over millions of years.

Front

What is a result of land being uplifted by faults?

Back

The formation of cliffs and mountains.

Front

How do alluvial fans form?

Back

Alluvial fans form by rain weathering and eroding materials downslope.

Front

What did glacial ice leave behind in the northeastern states?

Back

Glacial ice left behind flat rocks.

Front

What should you consider to decide if a process is constructive or destructive?

Back

Consider whether it builds or breaks down land features.

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 weathering?

Back

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

Front

What is a fault?

Back

A fault is a crack in the Earth's crust along which movement has occurred.

Front

What is the difference between constructive and destructive processes?

Back

Constructive processes build up landforms, while destructive processes break down landforms.

Front

What are sedimentary rocks?

Back

Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material.