Soil

Front

What causes rocks near the ocean to break into smaller pieces?

Back

Water crashing against the rocks.

Front

What is HUMUS made from?

Back

The remains of decayed plants and animals.

Front

Which layer is the bottom of the soil profile?

Back

R - Bedrock.

Front

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

Back

Soil.

Front

How do plants contribute to the formation of soil?

Back

Plants die, decompose and become part of the soil.

Front

What is soil?

Back

Soil is a natural resource made up of minerals, organic matter, air, and water.

Front

What is the top layer of soil called?

Back

Topsoil.

Front

What role do earthworms play in soil health?

Back

Earthworms help aerate the soil and break down organic matter.

Front

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

Back

Weathering.

Front

What is the layer of soil that contains the most nutrients?

Back

Topsoil.