Exploremos el ciclo de la roca (Exploring the Rock Cycle)

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Everyday examples, such as a motorcycle and a tricycle, demonstrate differences in speed. A simple, Spanish narrative runs beneath the photographs.

Índice: - I. Introducción - II. La industria migratoria del control y del rescate - III. Población extranjera y políticas públicas en la CAPV - IV. Administración corporativa y derechos fundamentales. Los turnos de oficio de extranjería - V. La detención, internamiento y expulsión de población extranjera en situación irregular en la CAV: Modalidades y problemáticas - VI. Conclusiones Bibliografía.

EDICION EN EUSKERA Como reza el Prólogo de Dolores Aleixandre no estamos ante un libro más de catequesis infantil o de religión, en el que se encuentren definiciones doctrinales u oraciones, se trata más bien de muchas narraciones juntas, de historias concretas, pobladas de nombres de lugares y personajes reales: Abraham, Raquel, David, Gedeón, Andrés, Pedro, Marta, Zaqueo, María..., y Jesús. En definitiva, una historia sagrada, un relato literario que pretende acercar a los niños al mundo de la Biblia. A través de ilustraciones de gran colorido, realizadas por Ma Angeles Maldonado, ...

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...