FUSION: SOIL FORMATION FLASHCARD

Front

What is soil made up of?

Back

Soil is made up of air, water, organic matter, and rock fragments.

Front

What is the top layer of the soil profile called?

Back

The top layer of the soil profile is called the A Horizon.

Front

What does a soil profile represent?

Back

A soil profile is a vertical section of soil that shows all of the different layers.

Front

What is the source of inorganic soil particles?

Back

The source of inorganic soil particles is the Parent rock.

Front

True or False: Soil contains air and water.

Back

True.

Front

What are the four main components of soil?

Back

The four main components of soil are air, water, organic matter, and rock fragments.

Front

What is humus?

Back

Humus is the organic component of soil formed by the decomposition of plant and animal matter.

Front

What is the B Horizon in soil?

Back

The B Horizon, also known as the subsoil, is the layer of soil beneath the A Horizon that contains minerals leached from above.

Front

What role does organic matter play in soil?

Back

Organic matter improves soil structure, provides nutrients, and enhances water retention.

Front

What is the C Horizon in soil?

Back

The C Horizon is the layer of soil that consists of weathered parent material.