¿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.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

An illustrated survey of the history and customs of the native North Americans who were members of hundreds of different tribes with varying lifestyles over the centuries.

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

¿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.

El projecte 3.16 és el nom que rep la línia dels nous materials educatius d'Editorial Cruïlla, que abasta des d'Educación Infantil fins a Secundària i que aposten por un projecte educatiu integral: - Educar a descubrir, construir conneixements - Educar a pensar, ensenyar a aprendre - Educar a ser, fer créixer persones