Soil Profile

Front

What is soil made of?

Back

Pieces of rock, air and water, matter that was once alive.

Front

Which layer of soil has low organic material and has clay in the form of aluminum and iron compounds?

Back

Subsoil

Front

Which layer of soil contains lots of roots and minerals for growing plants?

Back

Topsoil

Front

True or False: The layers of soil go in this order: Topsoil, bedrock, subsoil.

Back

False

Front

Which layer of soil is on bottom?

Back

Bedrock

Front

Identify the soil horizon:
Consists of topsoil (mostly sand and some clay) rich in humus (O horizon) and leached soil deficient in humus and minerals.
Options: O horizon, A horizon, B horizon, C horizon

Back

A horizon

Front

Is soil horizon horizontal and soil profile vertical?

Back

true

Front

What is HUMUS made from?

Back

The remains of decayed plants and animals.

Front

Which soil layer consists of clay, iron oxides, and other components that came from the zone of leaching?

Back

B Horizon

Front

The light colored, leached horizon.

Back

E Horizon