3rd Grade Soil Review

Front

Why is soil important?

Back

It provides plants with nutrients.

Front

Which type of soil has the smallest particles?

Back

Clay.

Front

What does soil provide that is necessary for plants?

Back

Nutrients, minerals, and support for the roots.

Front

How is soil formed?

Back

By breaking down of rocks and living organisms through weathering.

Front

Which type of soil did Native Americans use to make pots?

Back

Clay.

Front

What are the three main types of soil?

Back

Sand, silt, and clay.

Front

What is the process of soil erosion?

Back

The wearing away of soil by wind or water.

Front

What is topsoil?

Back

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

Front

What role do earthworms play in soil?

Back

They help aerate the soil and break down organic matter.

Front

What is soil texture?

Back

The feel of the soil, determined by the size of its particles.