Types of Soils
Layers of Soils
Weathering and Erosion
Fun Facts!
100
The part of soil that is made up of parts of dead plants and animals.
What is humus
100
The layer of soil on top. It is mainly made of humus.
What is topsoil.
100
The process of breaking rocks down on Earth's surface.
What is weathering.
100
In Georgia our clay is this color.
What is red.
200
Soil that has tiny grains of rock that are too small to see without a microscope
What is silt
200
The bottom layer of soil. It is very hard.
What is bedrock.
200
The movement of weathered rock.
What is erosion.
200
At a beach you can find this type of soil.
What is sand.
300
This soil feels smooth when you rub it between your fingers. It is also sticky when it is wet. It has very, very small grains.
What is clay
300
This layer is in the middle, it contains both rock and humus.
What is subsoil.
300
This river created the Grand Canyon through erosion.
What is the Colorado River.
300
This type of soil holds the most water.
What is clay.
400
This soil is a mixture of humus, sand, and silt.
What is loam
400
This layer of soil is the most fertile for plants.
What is topsoil
400
Over thousands of years, weathering causes rocks to turn into ________.
What is soil or sand.
400
This soil is the best for farming.
What is loam.
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