Soil Horizons Quiz

A vertical section of the soil extending vertically through all its horizons and into the parent material.

• Soil Horizon

• Soil Layer

• Soil Profile

A layer of soil, approximately parallel to the surface, with properties that differ from

the horizons above or below it

• Soil Profile

• Soil Horizon

• Soil Layer

A layer in the soil deposited by a geologic force (wind, water, glaciers, oceans, etc.) and

not relating to soil forming process.

• Soil Horizon

• Soil Profile

• Soil Layer

Humus or Organic Layer

• A

• O

• E

• B

• C

Topsoil

• A

• O

• E

• B

• C

Contains lots of roots and minerals for growing plants.

• A

• O

• E

• B

• C

Exit Layer

• A

• O

• E

• B

• C

Subsoil

• A

• O

• E

• B

• C

Earth's soils developed from this layer

• A

• O

• E

• B

• C

Parent Material

• A

• O

• E

• B

• C