¿Por qué hibernan los animales? (Why Animals Hibernate)

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

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.

Carmen Posadas, fiel a su estilo brillante e irónico, nos habla de este sentimiento universal llamado amor, un sentimiento tormentoso cuando no es correspondido, contaminado cuando aparecen los celos, el narcisismo, la venganza o el adulterio, ansiado cuando parece alejarse.

Young readers will discover amazing facts about birds' nest-building habits and other information with this new guide featuring Internet links to each of the book's topics.

Read Along or Enhanced eBook: Find out what surfers need to know to have fun and stay safe in the water in this engaging, Spanish-translated nonfiction title! Invite readers to learn about the history of surfing, surfing culture, what equipment is needed, and more using vibrant images and informational text in conjunction with math skills and upper-level features such as chapter format, a glossary of terms, and an index.

Cuerpo y saber está compuesto por tres capítulos que reflexionan sobre el objeto de estudio de la psicomotricidad. El primer capítulo, que da nombre al libro, se ocupa del desarrollo de las díadas conceptuales saber-conocer, cuerpo-organismo, motricidad-psicomotricidad. El segundo, "Edipo en el Árbol de la Sabiduría", despliega una lectura del mito de Edipo, desde la perspectiva del objeto de estudio de la psicomotricidad, lo cual da cuenta de cómo una persona sin conocimiento de su pasado orienta su destino utilizando los elementos inconscientes del saber que su experiencia corporal...