Explains what causes wind and how it affects our environment. Includes instructions for making a weathervane.

Describes how fireflies make their light, tells how to catch and handle them, and notes several interesting uses for firefly light.

Describes the various properties of air and shows proof that air takes up space and that there is air dissolved in water.

Describes the characteristics of snow, its usefulness to plants and animals, and the hazards it can cause.