Layers of Soil

Front

What is one property of soil?

Back

Texture

Front

In which layer of soil do plant roots grow?

Back

Topsoil

Front

What is the A Horizon also known as?

Back

Topsoil

Front

Which layer of soil consists of solid rock?

Back

Bedrock

Front

What is the B Horizon also known as?

Back

Subsoil

Front

What is humus?

Back

A dark, organic material in soil formed from decayed plants and animals.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Front

What are the three main layers of soil?

Back

Topsoil, subsoil, and bedrock.

Front

What is the role of topsoil?

Back

It is the uppermost layer of soil where most plant roots grow and where organic matter is found.

Tags

NGSS.MS-LS2-1

Front

What is subsoil?

Back

The layer of soil beneath the topsoil that contains minerals and nutrients but less organic matter.

Tags

NGSS.MS-ESS2-2

Front

What is bedrock?

Back

The solid rock layer beneath the soil layers.