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

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.

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.

¿Cómo es posible que crezca una planta de una pequeña semilla? ¿Y de dónde salen estas semillas? Acompaña a los protagonistas de esta historia y encontrarás la respuesta a esa pregunta. Este libro incluye notas para padres y profesores, así como actividades lúdicas que ayudarán a reforzar su contenido.

Huracanes y tornados is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Open-air education has been a successful educational alternative for years. Since 2010, the Bosquescuela has been promoted throughout Spain. In the program, children spend the entire year in contact with nature. They breathe fresh air, run, climb, invent games, learn, and grow: nature is the classroom. This book outlines the main components to this educational model and is intended to serve as a guide.

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.