soils

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.

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.

Discusses soil composition and earth's geology. Includes activities and experiments.

Discusses the sources, ingredients, types, and nutrients of soil and the life forms that it supports.