Illustrations and simple text explain what wind is, how it is used by plants, birds, and people, and how wind can become a storm.

"All living things need air to survive. From plants to sea creatures, without air they would not be alive. Young readers will discover what air is, where it is found, and how different living things use it."--

Presents simple activities and experiments that demonstrate the properties of air by observing the presence of air and the pressure it exerts.