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

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 ...

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...

Book Features: • Ages 5-8, Grades K-2 • 24 pages, 8 inches x 8 inches • Simple, easy-to-read pages in Spanish with full-color pictures • Includes a glossary, index, and an engineering design activity • Supports NGSS Playful Learning: In Mi Biblioteca de Ingeniería: Diseño y Construcción para Jugar, kindergarten—second graders learn about the forces, energy, and designs that make up roller coasters, sports equipment, zip lines, and other things we love! Engineering Made Fun: Forces, energy, and motion are all a part of how we play. Young readers learn how engineers use science...

Maria Zef no llega a los 15 años, pero ya está acostumbrada a la dureza de la vida en el campo, un mundo de hombres frente al que chocará su espíritu soñador y libre. Tres mujeres en un camino de la Italia rural: una madre exhausta y enferma y sus dos hijas, niñas todavía. Maria Zef, la hija mayor, tira, como si fuera una bestia, de un carromato cargado de cacharros en venta al tiempo que vigila constantemente para que su madre siga en pie. Como cada año, han bajado de las montañas en las que viven antes de que la nieve las inmovilice allí durante meses de frío y pobreza. El viaje...

Born in 1452, Leonardo da Vinci is still, today, considered one of the most talent people to have ever lived. From his world famous paintings and drawings, such as the Mona Lisa and the Vitruvian Man, to his ingenious inventions of the parachute, the helicopter, and the military tank, da Vince was always a step ahead of his time. Discover the origins of a man who refused to be defined by just one vocation. Whether science and engineering or architecture and art, Leonardo da Vinci was the ultimate Renaissance Man.

Este libro pretende responder clara y brevemente a la pregunta sobre cómo debe vivir un cristiano y, también, a la cuestión sobre con qué medios cuenta para conseguirlo. Solo aceptando la ayuda de la gracia de Dios y de los sacramentos se puede afrontar debidamente la moral cristiana. Con esa ayuda, además, la persona humana es capaza de entender el valor y la grandeza de una vida conforme al ejemplo y las enseñanzas de Jesucristo. Se ha redactado en forma de manual y se ajusta a la programación de la Conferencia Episcopal Española para obtener la DECA (Declaración Eclesiástica de...