APES unit 4 vocab

Front

What is a soil profile?

Back

A vertical cross-section of the soil that displays all its horizons.

Front

What is a horizon in soil science?

Back

A distinct layer within the soil profile.

Front

What are the four types of soil texture?

Back

Sandy soil, Silt soil, Clay soil, Loam Soil.

Front

What is the outermost layer of Earth's atmosphere that transitions into outer space called?

Back

Exosphere.

Front

What absorbs and scatters solar ultraviolet radiation and extends to approximately 50 kilometers?

Back

Stratosphere.

Front

What is the top layer of soil that contains organic matter called?

Back

O horizon.

Front

What is the layer of soil that is rich in nutrients called?

Back

A horizon.

Front

What is the layer of soil that is closest to the bedrock called?

Back

C horizon.

Front

What is the process of soil formation called?

Back

Pedogenesis.

Front

What is the term for the ability of soil to hold water?

Back

Soil moisture retention.