Vocabulary: Weathering & Soil

Front

What is the term for mechanical and chemical processes that change objects on Earth’s surface over time?

Back

Weathering

Front

What is the process by which the materials in a rock are changed into new materials?

Back

Chemical weathering

Front

What is the cause of chemical weathering that combines the element oxygen with other elements or molecules?

Back

Oxidation

Front

What is the layer of soil formed from the movement of the products of weathering?

Back

Horizon

Front

What term describes the physical, chemical, and biotic factors acting in a community?

Back

Environment

Front

What is the process called that breaks down rocks into smaller pieces without changing their chemical composition?

Back

Mechanical weathering

Front

What is the term for the organic material in soil that comes from decayed plants and animals?

Back

Organic matter

Front

What is the process of soil formation from weathered rock and organic material?

Back

Soil development

Front

What is the term for the top layer of soil that is rich in organic material?

Back

Topsoil

Front

What is the term for the gradual wearing away of rocks and soil by wind, water, and ice?

Back

Erosion