Palabras para crecer

Ámbar y Azul, dos gemelas curiosas (aunque, a veces, demasiado graciosillas), emprenden un intrépido viaje en busca del misterioso ADN en compañía de Pío, un pollito sabio que conoce las respuestas a todas las preguntas. Los tres protagonistas se vuelven de tamaño microscópico y exploran una célula habitada por represores insufribles, ribosomas novatos, proteínas todoterreno y otras moléculas divertidas y estructuras celulares que ejercen un papel clave en los procesos que constituyen los fundamentos de la genética.

During the American Civil War, the United States was on the brink of falling apart irrevocably. As states seceded and brother turned against brother, hope for reconciliation was dim. This conflict, an essential topic of the social studies curriculum, is skillfully presented from its origins in the Southern slave-trade economy to bloody battles and, later, Reconstruction. Striking photographs and artwork of integral events and people will resonate with readers, while interesting sidebar information gives them more to reflect on about this terrible war and the lessons it taught us.

Rights are things that make life fair for everyone. But sometimes people are treated unfairly. When this happens, we have to stand up for what is right. We have to become civil rights champions! This Spanish nonfiction book will teach students about civil rights, and introduces them to new vocabulary terms and concepts. Important text features include a glossary, index, and table of contents to engage students in reading as they develop their comprehension, vocabulary, and literacy skills. The Reader's Guide and culminating activity require students to connect back to the text as they develop ...

¿Por qué es importante reciclar? ¿Cómo podemos nosotros contribuir al reciclaje? Acompaña a los protagonistas de esta historia y encontrarás las respuestas a esas preguntas. El libro incluye notas para padres y profesores, así como actividades lúdicas que ayudarán a reforzar su contenido.