Soil Layers/Soil Horizons Review

Front

What is the C Horizon in soil layers?

Back

The C Horizon contains partially weathered rock and is above the bedrock.

Front

What is the name of Horizon 1?

Back

Horizon 1 is called Topsoil.

Front

What are the components that make up soil?

Back

Soil is made of pieces of rock, air and water, and matter that was once alive.

Tags

NGSS.MS-LS2-3

Front

Which layer of soil is known as the parent material?

Back

The parent material is found in Horizon C.

Front

What initiates soil formation?

Back

Soil formation begins with the weathering of bedrock.

Front

What is the A Horizon in soil layers?

Back

The A Horizon, also known as Topsoil, is the uppermost layer rich in organic material.

Tags

NGSS.MS-LS1-5

Front

What is the B Horizon in soil layers?

Back

The B Horizon, or subsoil, is where minerals leached from the upper layers accumulate.

Front

What is the R Horizon?

Back

The R Horizon is the bedrock layer beneath all other soil layers.

Front

What role does humus play in soil?

Back

Humus enriches the soil with nutrients and improves its structure.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

How does weathering affect soil?

Back

Weathering breaks down rocks into smaller particles, contributing to soil formation.

Tags

NGSS.MS-ESS2-2