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.
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.