Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

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.

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 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.

En el año 1630, la caza de brujas siembra el pánico en toda Europa. Mujeres y hasta familias enteras son víctimas de la inquisición. En un pueblo de Alemania comienzan a surgir rumores acerca de Nina y sus visiones premonitorias. Al ser las amenazas cada vez más siniestras, Nina abandona la casa de sus tíos portando el amuleto de su madre, a la que quemaron por bruja tiempo atrás. Ese amuleto la orientará en todo su camino.

¡Choque! ¡Mira a ese camión monstruo! Aprenda sobre lo que hacen los camiones monstruosos y cómo funcionan. Esta edición ofrece emocionantes fotografías de color, un glosario de fotos para ayudar a los jóvenes lectores a navegar por el libro y preguntas de pensamiento crítico para ayudar con las habilidades de no ficción en los lectores jóvenes. Crash! Whoa! Watch that monster truck go! Learn about what monster trucks do and how they work. This Spanish-language edition features exciting full-color photographs, a photo glossary to help young readers navigate the book, and...

Elementary readers will get a look into space exploration as they move through this fascinating nonfiction title that has been translated into Spanish. Readers will discover galaxies like the Milky Way, the effect gravity has on the inner and outer planets, comets, asteroids, constellations, and what measures scientists are taking to learn more about the vast body of the universe and more, including the Hubble Telescope and the Mars Rover. With vivid images, intriguing facts, informational text, a glossary, and a list of helpful websites, this text encourages readers to discover what they...

En este libro se explica el llamado Credo de los Apóstoles y con él podrás entender mejor los misterios de la fe, es decir el contenido de lo que creemos.