Soil Vocabulary

Front

This layer of soil is the deepest layer and consists of solid masses of rock.

Back

Bedrock

Front

This layer of soil is only a few inches thick, but is very rich in nutrients.

Back

Topsoil

Front

This layer of soil is made up of broken up rocks but with very little organic matter.

Back

Subsoil

Front

This layer of soil is called ________________ because the upper layers develop from this layer.

Back

Parent Material

Front

This layer of soil is known as the organic layer and contains plant remains.

Back

Humus

Front

This soil type has the smallest particle size and holds the most amount of water. Options: Sand, Loam, Silt, Clay.

Back

Clay

Front

This type of soil is the best soil for plants to grow in

Back

Loam

Front

This soil type has the largest particle size and holds the least amount of water.

Back

Sand

Front

This soil type has medium sized particles and drains easily, making it good for farming.

Back

Silt

Front

Soil forms in layers known as

Back

Horizons