Weathering and Erosion

Front

What is weathering?

Back

The breaking down of Earth’s crust into smaller and smaller pieces.

Front

What is erosion?

Back

The process by which water, ice, wind, or gravity moves fragments of rock and soil.

Front

What is deposition?

Back

The process by which water, ice, wind, or gravity deposits rock sediments and soil in a new place.

Front

How do sand dunes form?

Back

Sand dunes are formed by the deposition of sand by wind.

Front

What is an example of weathering?

Back

Wind blasting sand at rock and carving out caves.

Front

What can deposition create over time?

Back

Deposition can form new land features.

Front

What is the role of gravity in erosion?

Back

Gravity helps move soil and rock fragments downhill.

Front

What is an example of erosion?

Back

Rivers carrying away soil and rocks.

Front

How does water contribute to weathering?

Back

Water can freeze in cracks of rocks, expand, and break them apart.

Front

What is abrasion in the context of weathering?

Back

Abrasion is the wearing away of rock surfaces by friction from wind or water.