E.2 Layers of Soil

Decayed remains are _____________________.

• minerals

• once living things

• air

• water

Tags

NGSS.MS-LS2-3

NGSS.MS-LS4-1

Soil is made up of layers called ____________________.

• dirt

• organic

• leaves

• horizons

Topsoil has lots of humus to hold ___________ and ___________.

• plants, animals

• water, air

• beans, sand

• water, plants

Tags

NGSS.MS-LS2-3

This layer of soil has lots of ________________________.

• yucky things

• water

• living organisms

• roots

Tags

NGSS.MS-LS2-3

The subsoil is ______________.

• the top layer

• not good for big roots

• rich in minerals

• rich in humus

Tags

NGSS.MS-LS2-3

These TWO layers get mixed up by farmers when they plow dirt.

• O horizon

• Topsoil

• Subsoil

• Bedrock

This layer is made up of large rocks.

• O horizon or organic material

• A horizon or topsoil

• B horizon or subsoil

• R horizon or bedrock

All layers of soil are the same.

• True

• False