Los fósiles y las rocas

Three Quarters Of Our Earth Is Blanketed By Water. How This Water Is Used, From Bathing To Irrigating Crops Is Addressed. That Water Travels In A Never-Ending Pattern Called The Water Cycle. Tips On How To Conserve Our Most Important Natural Resource Are Included.

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 ...

Understanding the concepts of solids, liquids, and gases is central to the early science curriculum. States of Matter uses simple, authentic Spanish text to introduce ELL students to these important concepts. Each book features a strong photo-text match and clear, full-color diagrams to enhance comprehension.

¿Dónde puedes encontrar el color amarillo? ¿Tiene algún significado especial este color? Los jóvenes lectores aprenderán a identificar objetos amarillos y los lugares donde aparecen en Amarillo, uno de los libros de Los niños y la ciencia: Colores. Where can you find the color yellow? Does this color have any special meanings? Young readers will learn to identify yellow objects and the places they appear in Yellow, a Science Kids: Colors book.

Queremos que en compañía del Cid, los lectores recorran algunos de los géneros que forman la rica historia de la literatura hasta nuestros días. Desde los poemas medievales, a través del romancero, el teatro y el cine, llegamos hasta las recientes biografías de nuestro personaje. De todo hay, y esperamos que el lector avive su curiosidad sobre don Rodrigo Díaz de Vivar, cuya presencia es casi constante en nuestra literatura.