Weathering and Soil Vocabulary

Front

What is the process called when rocks are broken down into smaller pieces by natural forces?

Back

Weathering

Front

Which term describes the loose, weathered material on Earth's surface in which plants can grow?

Back

Soil

Front

What is the main difference between mechanical weathering and chemical weathering?

Back

Mechanical weathering breaks rocks into smaller pieces without changing their composition, chemical weathering changes the rock’s composition.

Front

Which layer of soil contains the most organic material?

Back

Topsoil

Front

What is humus?

Back

Decayed organic material in soil

Front

Which process involves the movement of weathered rock and soil from one place to another?

Back

Erosion

Front

How does the presence of plants help prevent soil erosion?

Back

By holding soil in place with their roots

Front

If acid rain falls on a marble statue, what type of weathering is most likely to occur?

Back

Chemical weathering