Exploremos las rocas sedimentarias (Exploring Sedimentary Rocks)

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.

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.

Nueva edición del popular método Abanico, curso avanzado de español para jóvenes y adultos que desean alcanzar el nivel B2. La nueva edición incluye una renovación gráfica que facilita su uso, una modernización de las imágenes, actualización de muchos datos, una mejora del funcionamiento de algunas actividades y nuevas actividades para el tratamiento de los tiempos del pasado. Además, en 10 de sus 12 unidades, se ha añadido la sección “Taller de escritura”, cuyo objetivo es potenciar el trabajo comunicativo por escrito.

Álvaro de Jovellar vive escondido tras una identidad falsa. La Guerra ha terminado pero su incierto destino le hará verse involucrado en un misterioso encargo: el robo de la Santísima Faz por orden de un viejo general del Ejército Nacional. El extraño atraco provocará una espiral de muertes que bañarán de sangre la ciudad de Alicante; una amenaza que solo un doctor venido a menos y el propio Jovellar podrán detener. La novela negra y de aventuras se mezclan en este trepidante thriller donde el mito de la Santa Faz y la Imagen impresa en el Lienzo Sagrado le llevarán a través de los ...

Discover the history of the space race in this riveting, Spanish-translated nonfiction title! Elementary readers will learn about the Kennedy Space Station, the Cold War, Sputnik, the first astronauts and cosmonauts to make it into space, and the first landing on the moon. Through captivating images, informational text, and impressive facts, readers will be enthralled and inspired by the amazing accomplishments that occurred during the race to space! This 6-Pack includes six copies of this title and a lesson plan.

Mediante la técnica del flash-back el autor nos cuenta dos historias paralelas separadas por miles de años de diferencia pero con un punto en común: las pinturas rupestres de Altamira.