Uses experiments to illustrate the properties of rain as well as the reasons that water is such an important part of life.

Presents facts about animal behavior and includes related experiments, projects, and activities.

Uses experiments to illustrate the phases and patterns of the sun as well as the reasons for its importance as an energy source.

Contains many experiments introducing the processes that take place in plants and trees.

Introduces the phases and other characteristics of the moon through a series of experiments, most of which can be used to start a science fair project.


Presents experiments that reveal the properties of air, with special attention to those that would make good science fair projects.