Rascacielos (Skyscrapers)

A force is a push, a pull, or a turn. Every force has an equal and opposite force. Forces are always with you! They are all around us. Learn about forces with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

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.

Esa etapa de la vida a la que llamamos adolescencia, en la que la realidad se muestra confusa, en el que la conciencia y moralidad comienzan a evolucionar, cuando aparecen sentimientos, sensaciones o reflexiones morales que hasta ese momento se desconocían, es puntual en la vida de cada persona. En este libro el autor hace hincapié tanto en la parte sentimental como en la de la razón que tanto chocan en dicha etapa vital, con el objetivo de que cualquier tipo de lector, aunque está dirigida especialmente a la comunidad juvenil, se sienta como ente partícipe de lo que se expresa. Es, en...

Desde 1880 hasta 1920, se publicaron en México cuadrnillos con recetas para enamorar y notas sobre infortunios y rupturas amorosas. Al analizar el lenguaje y los codigos de amor de estas publicaciones, surge inevitablemente una pregunta:¿ha cambiado nuestra forma de amar en los ultimos cien años?