Por qué algunos animales tejen telarañas (Why Animals Live in Webs)

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.

Learn all about scaly and cold-blooded snakes! Complete with a More Facts section and bolded glossary terms. Young readers will gather basic information about snakes through easy-to-read, simple text alongside colorful full-bleed photographs. Translated by native Spanish speakers. Aligned to Common Core Standards and correlated to state standards. Abdo Kids is a division of ABDO.

Amazing things happened in California during the twentieth century. People came from all over the world to settle in the Golden State. Today, it is home to more than 38 million people, and the state's economy is one of the biggest in the world. Explore California's history with this Interactiv-eBook that builds literacy and social studies content knowledge. By studying primary sources like maps, historical cartoons, letters, and images, students will be prompted to ask questions, and encouraged to consider bias and the validity and reliability of sources. Aligned to the National Council for...

A través de una narración amena y directa intercalada con algunos de los poemas más conocidos de Federico García Lorca, Concha López Narváez acerca a los primeros lectores la vida y obra de uno de nuestros poetas más universales. Desde su nacimiento en Fuente Vaqueros y primeros años de vida, la autora recorre los paisajes y las personas que configuraron su carácter y su personal visión del mundo, hasta su época de reconocimiento mundial y posterior muerte en 1936.