¿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.

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.

Geografía General, Un enfoque interactivo para bachilleres de los autores Héctor Israel Ramírez Torres, Flor Araceli Ruiz Peña, Mónica Chaparro Esquivel, Rafael Antonio Olmos Bolaños y Leticia Gerónimo Mendoza, se propone desarrollar una metodología apoyada en competencias, interactiva y atractiva para los jóvenes. Los autores desarrollan 8 unidades con un enfoque metodológico que busca la construcción activa del aprendizaje mediante textos, apoyos visuales (fotografías, esquemas, gráficas, cuadros y 42 mapas), y diversas secciones: Y todo esto… ¿para qué?, Conozco y aprendo, ...

El mundo está lleno de cuestiones científicas y técnicas que parecen sacadas de un universo de ciencia ficción. Pero... ¿se suponía que iba a ser así? Los científicos nos prometieron coches voladores, turismo espacial y robots superinteligentes. Pero aunque vemos avances en todos esos campos cada día, la realidad es ligeramente distinta. En este libro se habla de ese futuro prometido y de dónde estamos: del origen de internet, de los primeros ordenadores y hackers y de la carrera espacial, con explicaciones e ilustraciones fáciles de entender. Sin olvidar la importancia de la...

Learn about the rich history of Mission San José: how it started, the people who ran it, the indigenous population, and its legacy today.

Young children are natural problem-solvers and always looking for answers, especially when it involves interesting animals. This Spanish-language edition of Fast and Flightless provides young curious readers with striking visual clues and simply written hints. Using the photos and text, readers rely on visual literacy skills, reading, and reasoning as they solve the animal mystery. Clearly written facts give readers a deeper understanding of how the animal lives. Additional text features, including a glossary and an index, help students locate information and learn new words.