Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

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.

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.

¿Qué hay de real en las reliquias de Indiana Jones?, ¿existe el auténtico Santo Grial?, ¿estaban realmente los nazis vinculados al ocultismo?, ¿qué es el Ojo del Pavo Real?, ¿qué misterios entraña la Calavera de Cristal?, ¿los agentes soviéticos utilizaron la parapsicología?, ¿es la disciplina arqueológica tal y como se muestra en los filmes? Por fin, aquí tenemos las respuestas a éstas y otras muchas cuestiones sobre los artefactos de Indiana Jones. Este breve ensayo rastrea en todo lo que usted necesita saber sobre la verdad histórica, cultural y técnica que se esconde...

Una guía para comprender mejor el misterio de la Eucaristía, que es el misterio del amor de Jesús por nosotros, hasta quedarse bajo la apariencia de pan. El misterio de la Eucaristía es algo muy grande y maravilloso que es necesario comprender bien. Con este libro podrás entender mejor y maravillarte del gran amor de Jesús, que quiso quedarse con nosotros bajo la apariencia de pan. También podrás leer algunos milagros eucarísticos que nos ayudan a creer en este hecho tan especial.

Learn all about money with this relevant Spanish nonfiction book. Ideal for young readers, the book includes simple text, helpful pictures, a connected project, a fiction piece related to the topic, and more beneficial features. This 20-page full-color Sp

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about the culture, history, and distinctive features of the Lakota, Cheyenne, Comanche, Pawnee, Osage, Omaha, and Crow tribes. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. ...