Layers of the Soil

Front

What is the top layer of soil where plants grow?

Back

Topsoil

Front

Which layer of soil is made of solid rock?

Back

Bedrock

Front

What is the layer of soil that holds minerals and water?

Back

Subsoil

Front

What is the O Horizon in soil?

Back

The O Horizon is the top layer of soil that contains organic matter, such as decomposed plants and animals, which provides nutrients for plants.

Front

Why is topsoil important for plants?

Back

Topsoil contains the most nutrients for plants to grow.

Front

What does the subsoil layer do?

Back

The subsoil layer holds minerals and water that support plant growth.

Front

What is parent material in soil?

Back

Parent material is the layer of soil that is made up of weathered rock and minerals from which the soil develops.

Front

How does the O Horizon benefit plant growth?

Back

The O Horizon breaks down plants and provides essential nutrients for growth.

Front

What is the main function of bedrock in the soil profile?

Back

Bedrock serves as the foundation for the soil layers above it.

Front

What is the difference between topsoil and subsoil?

Back

Topsoil is rich in nutrients and organic matter, while subsoil contains minerals and less organic material.