Soil Is a Mixture of What Four Materials?

In short, soil is a mixture of minerals, dead and living organisms (organic materials), air, and water. These four ingredients react with one another in amazing ways, making soil one of our planet’s most dynamic and important natural resources.

Soil Is a Mixture of What Four Materials?

The soil is a mixture of four materials: sand, silt, clay, and organic matter. These materials are combined in different proportions to create different types of soil.

The sand, silt, and clay particles are combined in different proportions to create different types of soil. The organic matter is also present in different proportions in different types of soil.

The sand particles are the largest of the four soil particles. They are visible to the naked eye and feel gritty when rubbed between the fingers.

Sand particles are made up of minerals such as quartz, feldspar, and calcite. The silt particles are smaller than the sand particles and are not visible to the naked eye.

They feel smooth when rubbed between the fingers. Silt particles are made up of minerals such as clay, mica, and organic matter.

The clay particles are the smallest of the four soil particles. They are not visible to the naked eye and feel sticky when rubbed between the fingers. Clay particles are made up of minerals such as kaolinite, montmorillonite, and illite.

Organic matter is made up of plant and animal remains. It is not alive, but it is an important part of the soil. Organic matter