Earth's Changing Surface

Front

What is erosion?

Back

The process of moving sediment from one place to another.

Front

The process by which natural forces move weathered rock is called ____________.

Back

Erosion.

Front

How does freezing water cause the weathering of rocks?

Back

Freezing water expands cracks and breaks rocks.

Front

Why is it important to understand how our actions affect Earth's surface?

Back

To manage our impact on the environment.

Front

How do plants weather rocks?

Back

When roots grow into cracks of rocks and expand the rock.

Front

What is weathering?

Back

The process of breaking down rocks into smaller pieces.

Front

What are the two main types of weathering?

Back

Physical weathering and chemical weathering.

Front

What is physical weathering?

Back

The breaking down of rocks without changing their chemical composition.

Front

What is chemical weathering?

Back

The process that breaks down rocks through chemical reactions.

Front

What role do glaciers play in erosion?

Back

Glaciers can erode the land by scraping and carrying away rocks and soil.