Soil Formation and Composition

Front

What is soil composed of?

Back

Soil is composed of weathered rock, minerals, living things, and organic matter.

Front

Why is inorganic material important to soil?

Back

Inorganic material is important for water storage and provides essential nutrients.

Front

What do we call all the organisms that live in the soil?

Back

All the organisms that live in the soil are called biota.

Front

What is parent material made of?

Back

Parent material is made of rock and sediment.

Front

What is humus?

Back

Humus is the dead parts of plants and animals in soil.

Front

What role do minerals play in soil?

Back

Minerals provide nutrients that are essential for plant growth.

Front

What is the process of soil formation called?

Back

The process of soil formation is called pedogenesis.

Front

What are the layers of soil called?

Back

The layers of soil are called horizons.

Front

What is the top layer of soil called?

Back

The top layer of soil is called the O horizon, which is rich in organic material.

Front

What is the significance of soil drainage?

Back

Soil drainage is important for preventing waterlogging and ensuring that plants receive adequate oxygen.