Soil and Rocks

Soil

100

How many layers of soil are there?

5

200

What are the different types of soil?

Clay, sand, loam, and silt

300

This type of soil is sticky when wet and hard when it's dry. It is small in size.

clay

400

A person who studies soil is a ______________?

Pedologist

500

This is a material made of tiny pieces of rock, minerals, and decayed plant and animal matter.

Soil

Soil Layers

100

What are the 5 layers of soil?

Humus, Topsoil, Subsoil, Parent rock, Bedrock

200

This is the layer that sits below the subsoil and is very hard rock.

Bedrock

300

This is the soil that has dead plants and animals and is the top layer of soil.

Topsoil

400

This is the layer of soil that is mainly sand and clay materials and has little matter.

Subsoil

500

What is the order of the layers of soil?

Topsoil, Subsoil, Bedrock

Components of Soil

100

Soil is composed of rocks, ____, water and minerals.

air 

200

How is soil formed?

Weathering, animals, water and sunlight can all cause rocks to break down slowly over time. This creates soil. 

300

This is small rock particle found in soil and on beaches.

Sand

400

This is the smallest rock particle found in soil.

Clay

500

This is a very small piece of rock; smaller than sand but larger than clay.

Silt

Soil, Soil, Soil

100

This is the broken down parts of plants and animals in soil.

Humus

200

A rock is a solid material made up of ____________

minerals

300

Topsoil is where _________ and ___________ can be found

plants and animals

400

What layer can you plant plants with?

Topsoil

500

What layer may you only find roots in?

Subsoil