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.

Read Along or Enhanced eBook: Death Valley is one of the hottest and driest deserts of the world! Readers are taken on an adventure through Death Valley to learn about the plants and animals that survive in this dry, hot desert landscape in this engaging, Spanish-translated nonfiction title. Featuring vivid photographs, informational text, and riveting facts about desert ecology, readers will be fascinated from beginning to end!

Se incluyen todos los contenidos relacionados con la Electrotecnia, estando especialmente orientado para los alumnos que cursen el Ciclo Formativo de Grado Medio Instalaciones Eléctricas y Automáticas. Se ha procurado que los contenidos tratados sean fáciles de entender, didácticos y prácticos, sin perder por ello el rigor científico. Los temas aquí tratados son de gran ayuda para comprender los fundamentos de la Electrotecnia. Para ello se han elaborado 21 unidades didácticas que combinan la teoría con multitud de casos prácticos.

Read Along or Enhanced eBook: From tide pools to the ocean, the sea is filled with amazing life forms! Early readers will be engaged from beginning to end with informational, Spanish-translated text, vivid photos, and a picture glossary of marine animals.

Jonnhy vuelve de la guerra. En su pueblo todo el mundo le recibe como a un héroe. pero un día, Jonnhy reúne a todos para contarles su experiencia en el campo de batalla. La guerra no es un espectáculo que echan por la tele. Los "malos" o los "buenos" son conceptos relativas y en realidad, todo el mundo tocado por la guerra, es una víctima.