soils

A simple description of soil, including its physical makeup, and its importance in maintaining life.

Brief text explores how soil is formed, its layers, and its importance as a natural resource that living things need to survive.

Presents instructions for ten science projects that provide students with a better understanding of soil and water. Includes a glossary and a list of resources.

Discusses the nature and importance of soil and the many forms of life it supports.

Examines the beauty and functions of the Earth as a living organism, describes how the planet changes through the seasons, and discusses how it supports life.

An introduction to geology that uses full-color photographs and easy-to-read text to describe the main components of soil, soil horizons, and the importance of soil to nature; and includes instructions for a related activity.

Follows a corn plant from tiny seed to giant plant in an explanation of how air and water combine with seed, soil, and sun to grow food.

Provides an overview of soil, discussing its formation, composition, and uses.

The people, animals, and objects on the farm explain their relationship with the dirt, which is used and needed by all.

Describes what is in the earth, how rocks and soil are formed, and other facts about the geology of the earth.