¿Por qué hibernan los animales? (Why Animals Hibernate)

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.

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.

Los libros considerados clásicos no muerden ni son soporíferos. Este libro supone una invitación a los espíritus curiosos a que comprueben que uno puede leerlos y disfrutar con sus propuestas: basta con liberarse de prejuicios y atreverse a emitir opiniones propias, por extrañas que parezcan. El autor, mediante un personal paseo en compañía de dos héroes (Héctor y el Cid) y dos antihéroes (Henry Fleming y Bartleby), protagonistas de cuatro clásicos, reflexiona sobre los personajes literarios con la intención de contagiar su pasión por la lectura de un modo sencillo y riguroso....

Young readers will learn the ways that César Chávez fought to protect the rights and lives of migrant workers in this inspiring Spanish-translated biography that gives history behind protests and developments of unions that Chávez led. Vivid images and an interesting timeline of Chávez's life work in conjunction with supportive text and a helpful glossary, table of contents, and index to engage readers from cover to cover. This 6-Pack includes six copies of this title and a lesson plan.

This book uses intriguing primary sources to introduce students to the life of George Washington. The detailed, authentic images and simple, repetitive phrases will engage students in reading and build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a simple glossary and index to introduce informational text features to young readers and provide additional reading support.

La democracia tiene que ver con todos, incluyendo a los niños. La democracia nos permite, por medio del diálogo, la participación y el voto para que todos podamos vivir en armonía. Con este libro podremos fomentar una educación que promueva en los niños el ejercicio responsable de su libertad, el desarrollo de su autonomía moral y la solidaridad y preocupación por el bienestar colectivo a través de la participación democrática. Democracy has to do with everyone, including children. Democracy allows us, through dialogue, participation and vote so that we can all live in harmony....