3.7A Soil Formation

Front

What is soil made of?

Back

Soil is made of decayed plant and animal remains, weathered rock, minerals, and air.

Front

What is the major component of soil?

Back

The major component of soil is weathered rocks.

Front

What natural resource is formed by the weathering of rocks into small pieces?

Back

Soil is formed by the weathering of rocks into small pieces.

Front

What happens to plants and animals when they die?

Back

When plants and animals die, they decay and become part of the soil.

Front

How does ice affect rocks?

Back

Ice can break rocks into smaller pieces.

Front

What covers most land on Earth?

Back

Most land is covered with a thin layer of soil.

Front

What is the process of rocks breaking down into smaller pieces called?

Back

The process is called weathering.

Front

What are the two main components of soil?

Back

The two main components of soil are decayed organic matter and weathered rock.

Front

Why is soil important for plants?

Back

Soil provides nutrients, water, and support for plants to grow.

Front

What is organic matter in soil?

Back

Organic matter is made up of decomposed plant and animal remains.