Exploremos las rocas metamórficas (Exploring Metamorphic 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.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

Para Fray Luis de León «El Cantar de los Cantares» tiene un valor de categoría y ejerció sobre su inteligencia una atracción singular. Todavía no había cumplido los treinta y tres años cuando lo tradujo al castellano de su original hebreo y le añadió un comentario literal. En 1580 sale a la luz su «explanatio» con el comentario literal y místico. El «Cantar» proporcionó a Fray Luis los mayores disgustos y sinsabores con la Inquisición, pero fue el libro sagrado que más deleites y consuelos le produjo y el que más hondamente modeló su espíritu. Este volumen presenta la...

La vida cristiana transcurre dentro de un contexto, y el nuestro es la postmodernidad, una de cuyas características es el cambio constante y acelerado que nos hace cada vez más difícil orientarnos para saber vivir como seguidores de Jesús en el mundo actual. «Líderes Posmo» nos acercará a diferentes personajes de la Biblia; veremos las situaciones y los retos a los que se tuvieron que enfrentar. Así nos daremos cuenta del increíble paralelo existente con la vida actual. De los principios que ellos llevaron a la práctica, obtendremos la sabiduría que necesitamos para vivir como...

Meet six women who did great things. They were leaders in politics, civil rights, healthcare, science, and sports. They helped and inspired others. All of them followed their dreams. Discover the journeys they took. This inspiring Spanish book introduces second grade students to the lives of notable women including Marie Curie, Clara Barton, Wilma Rudolph, Rosa Parks, and more. Engaging images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience.

Presented in a large-size picture book format, this is the story of the Mars Rover Curiosity. It explains how it was built at the Jet Propulsion Laboratory in California, how it got its name, how it got to Mars, and what its mission hoped to accomplish. A timeline about the history of Mars exploration is provided at the end.