Soil Layers

The top layer of soil is called ______.

• topsoil

• subsoil

• bedrock

The middle layer of soil is called ______.

• topsoil

• subsoil

• bedrock

The bottom layer of soil is called ______.

• topsoil

• subsoil

• bedrock

When a rock gets broken down into soil, this process is called ______.

• topsoil

• water capacity

• weathering

• erosion

Tags

NGSS.MS-ESS2-2

Which layer of soil has the most humus?

• topsoil

• subsoil

• bedrock

Tags

NGSS.MS-LS2-3

Which layer of soil is solid rock?

• topsoil

• subsoil

• bedrock

Which layer of soil has only a little bit of humus?

• topsoil

• subsoil

• bedrock

The decayed remains of plants and animals is called ______.

• soil

• subsoil

• humus

• weathering

Soil has two layers.

• True

• False

Which of the following is NOT one of the three layers of soil?

• topsoil
• undersoil
• subsoil
• bedrock