Soil

Front

What do plants and animals need to live and grow?

Back

Nutrients

Front

Can soil in different places be formed from different materials?

Back

True

Front

What is the decayed, once living matter in soil that adds nutrients?

Back

Humus

Front

What happens first when materials are becoming part of the soil?

Back

Nonliving plant and animal materials fall to the ground.

Front

What are nutrients?

Back

The foods or substances that plants and animals need to live and grow.

Front

What is soil?

Back

A mixture of minerals, organic matter, air, and water that supports plant life.

Front

What is topsoil?

Back

The uppermost layer of soil, rich in nutrients and organic matter.

Front

What role do worms play in soil?

Back

Worms help mix humus into the soil.

Front

What is humus made from?

Back

Decayed plant and animal matter.

Front

Why is soil important for plants?

Back

Soil provides nutrients, water, and support for plants.