When it's not windy, it can be easy to forget about air. But air is everywhere–it fills your house, your car, and even your empty milk glass. In fact, a regular room holds about 75 pounds of it! This Level 1 book, reillustrated with John O'Brien's clever, eye–catching illustrations, tells you how to discover the air that's all around you.

This newly illustrated edition of a 1986 title introduces the concept of air, its presence in our world, and its importance to the environment. The text describes several interesting facts, clearly explaining ideas and incorporating experiments that are easy to reproduce at home or in the classroom. The appealing artwork supports the narrative and takes readers on a journey through the natural world. Produced in pen and warm, earthy watercolors, the pictures are filled with amusing details. Additional, easy-to-replicate activities are appended. This book serves as a wonderful starting point for educators beginning a unit on an integral part of our ecosystem and would be an asset to any science collection.–Hope Marie Cook, Eastern Connecticut State University, Willimantic
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