Layers of Soil

Front

What is the lowest layer of soil?

Back

Bedrock is the lowest layer of soil.

Front

Do roots only grow in topsoil?

Back

False, roots can grow in both topsoil and subsoil.

Front

What layer of soil is made up of remains of dead plants and animals?

Back

Humus is made up of remains of dead plants and animals.

Tags

NGSS.MS-LS2-1

Front

In which layers do roots grow?

Back

Roots grow in the topsoil and subsoil layers.

Front

What is bedrock made up of?

Back

Bedrock is made up of rock.

Front

What is topsoil?

Back

Topsoil is the uppermost layer of soil, rich in nutrients and organic matter.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Front

What is subsoil?

Back

Subsoil is the layer beneath topsoil, containing minerals and less organic material.

Front

What is humus?

Back

Humus is a dark, organic material in soil formed from decayed plants and animals.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

Why is topsoil important for plants?

Back

Topsoil is important because it contains nutrients and supports plant growth.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Front

Can bedrock be found above the soil layers?

Back

Yes, bedrock can be exposed at the surface in some areas.