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A force is a push, a pull, or a turn. Every force has an equal and opposite force. Forces are always with you! They are all around us. Learn about forces with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

Rabbit burrows play an important part in the life of a rabbit. A burrow provides a place to live, a place to raise baby rabbits, and a place to stay safe from predators. This volume, which was written to support elementary science curricula, examines the role a burrow plays in the survival of a warren, and how that in turn helps rabbits contribute to ecosystems around the world. The text’s age-appropriate, science-rich content focuses on rabbit behavior and encourages readers to draw connections between what they learn in science class and what they see outside. This text is complemented by ...

La expedición de Richard Francis Burton a Harar, ciudad de Etiopía a la que ningún europeo había tenido acceso, marca un hito fundamental en el conocimiento del interior de África, al abrir una vía de penetración que en pocos años había de llevar al descubrimiento de los Grandes Lagos, las fuentes del Nilo, y las complejas y fascinantes culturas de los pueblos que habitaban en el corazón del continente africano. Burton, explorador audaz e imaginativo, orientalista de vastos conocimientos y escritor de primer orden, logra que su libro pueda leerse al mismo tiempo como el apasionante...

Read Along or Enhanced eBook: From Stonehenge to the Bermuda Triangle, there are many places on Earth that remain a mystery to scientists! Readers will discover these curious places--and more!--as they move through this fascinating, Spanish-translated nonfiction title. This mysterious book features detailed images, informational text, and stimulating facts and theories in conjunction with upper-level features, such as chapter format, a glossary of terms, and an index.