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

Presents simple scientific information about rain, and includes an activity, fast facts, and a glossary.

Provides a brief introduction to the wind and its effects.

Color illustrations and simple text describe deciduous forests and the animals that live in them.

Describes what energy is, where it can be found, and how it is used in everyday life.

Explains the different types of matter and how it changes from one state to another by applying heat or pressure. "Ya sea polvorosa o mojada, suave o flexible, en todos partes hay materia. ¡Hasta el aire está formado de materia! Mira cómo los s\74\olidos, los liquidos y los gases cambian de forma en este libro sobre la materia"--Container.

Presents an introduction to the various types of grasslands, the different animals and plants that live in them, and the reasons for the overall reduction of grasslands in the world today.

Presents an introduction to the rain forests of the world, the variety of animals and plants that live in them, and the human behavior that threatens their existence.