Proyectos reales para explorar la Primera Guerra Mundial y los años 20 (Real-World Projects to Explore World War I and the Roaring ’20s)

When we look up at the night sky you can see millions of stars, but what do you think we could see in space if we left Earth? If we could hop into a special ship and blast off, traveling billions of miles away from Earth, we’d see the Milky Way galaxy. In this book, readers take an incredible journey through that galaxy, exploring the universe and learning how it was formed and what will one day happen to these enormous groups of stars. From mysterious dark matter to the black holes at the center of galaxies, readers will also dive into the mysteries of the universe scientists have spent...

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...

La industria aeroespacial es la segunda actividad más normada luego de las activi- dades nucleares; está regida por infinidad de normas, reglamentaciones, directivas, documentación específica y todo tipo de manuales de referencia obligatoria. La gran mayoría llega a manos de usuarios, operadores, talleristas, etc. en idioma in- glés, el idioma de uso aeronáutico por naturaleza. A ello se suma el hecho de que la industria aeronáutica no está aislada de las actividades humanas, sino que inte- ractúa, se nutre y hace su aporte a ellas creando la necesidad de un sólido...

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...

La adquisición de conocimientos e información nos puede significar la diferencia entre el éxito y el fracaso. La falta de conocimientos puede ser y lo es, costoso, doloroso e incluso fátal. Este libro ha sido diseñado especialmente para aquellas personas que por una u otra razón han tenido que dejar a su pais de origen e inmigrar a este maravilloso país: “ESTADOS UNIDOS DE AMERICA”. El contenido de este libro está basado en la búsqueda de información en diferentes medios de comunicación y experiencia propia. No debe ser tomado como una asesoría legal. Yo, como inmigrante,...

Veteran’s Day is a day set aside to thank the men and women who risk their lives protecting America. Each year on November 11, we celebrate what they have done for our country. Learn more about the history of this important holiday, such as why it is on November 11 and what Americans do to celebrate.