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Answering intriguing questions such as: Why does the largest river system in North America meander across the middle of the continent? And how does such a system relate to the rugged Rocky Mountains? this book delves into the majestic Great Plains region. It is suitable for children of ages 9 to 12 years.

Suitable for children of ages 9 to 12 years, this title reveals the underlying processes for them, explaining North America's evolution and illustrating the different forces of nature that have changed the continent over time. It explores the lush forests of the Pacific Northwest, the dry and arid deserts of the Southwest, and more.

Kids will learn how to shoot candy and soda 10 feet up in the air or create a crystal collage with the key chemistry concepts and exciting yet educational projects in this handbook. With more than two dozen fascinating projects illustrating major chemistry themes--including atoms and molecules, the characteristics of solids, liquids, and gases, chemical reactions, acids and bases, and the properties of water--children learn the theory behind e...