El ciclo del nitrógeno (The Nitrogen Cycle)

Describes the history, language, social classes, customs, culture, religion, and warfare of the ancient Central American civilization of the Mayas.

This nonfiction Spanish book teaches students about the earth’s cycles, and introduces them to important scientific concepts and vocabulary terms like combustion, hydrosphere, biosphere, and fossil fuels. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.

The American Civil Rights Movement of the 1950s and 1960s marked a shift in how African Americans were treated in the United States. This volume highlights the important events and figures that made this movement successful. The book introduces readers to important activists who fought for civil rights by raising their voices and refusing to accept unfair laws. Photographs and primary sources provide readers with a firsthand look at the history of the movement. Finally, readers will learn what can still be done to further equality for African Americans in the United States and how they can be ...

There are one, two, three, four, five dogs to walk. But there is only one dog walker. Collect data on dogs, their leashes, and their names! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning how to collect data easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...