Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

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.

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.

Helps students successfully pass written and oral examinations, offering techniques for memorizing, creating, and summarizing all kinds of texts.

The combination of violins, trumpets, sombreros, and song possesses the power to not only lighten the heart but weigh it down as well. This book journeys to the time and place where mariachi music originated and reveals the various musical traditions that combined to form the richest, most popular, and most highly regarded tradition of Mexico. La combinación de violines, trompetas, sombreros y canciones capaces de desgarrar o alegrar el corazón de cualquiera, mexicano o extranjero. Este libro viaja a través del tiempo y las regiones donde se originó el mariachi y descubre las distintas...

Go-Karts are a fun and thrilling way to hit the road! Invite readers to explore different parts needed to build a go-kart, velocity, speed, and how to stay safe in this exciting motorsport. Using detailed images, charts and diagrams, informational text, and interesting facts in conjunction with mathematic skills and upper-level features such as a glossary of terms, an index, and a chapter format, readers are sure to be engaged and excited from cover to cover of this nonfiction title! This title has been translated into Spanish.

Una metodología innovadora con la que desarrollar las habilidades comunicativas de los alumnos. Son piezas clave:a) unos contenidos rigurosos y actualizados, atentos a lo general y a lo autonómico;b) un aprendizaje significativo que busca la aplicación de los contenidos mediante situaciones comunicativas cercanas al alumno;c) un enfoque TIC, con conexiones a actividades interactivas;d) una atención flexible del alumnado, con páginas de refuerzo por unidad;e) una enseñanza en valores abierta a desarrollar el pensamiento crítico.