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...

The US president is the face of the United States to the rest of the world. However, he or she doesn’t have unlimited power within the country. The president has certain powers given by the Constitution, including the ability to make treaties, appoint some important government officials, and veto laws. Readers learn the many duties of the president in simple, clear language appropriate for both younger readers and older readers looking for a succinct review of the topic. Fact boxes supplement the main content with important details about checks and balances, amendments, and more that affect...

Francisco Bernardone nace en una familia rica, en un mundo en que la mayoria nada tiene. Como los jovenes de su circulo, vive de fiesta en fiesta. Hasta que poco antes de cumplir los veinte anos algo lo llama y deja todo: fortuna, herencia y un modo de viv

Learn what it takes to be a community leader. This Spanish nonfiction book emphasizes the importance of local leaders and it includes a fiction story related to the topic, glossary, bonus activity, useful text features, and engaging sidebars. This 28-page full-color Spanish book describes the roles and responsibilities of various leadership positions. It also covers important civics topics like volunteerism and leadership, and includes an extension activity for grade 2. Perfect for the classroom, at-home learning, or homeschool, to explore communities, local government, and how individuals...

Hoy en día sería difícil concebir cualquier tipo de trabajo sin el apoyo o la participación directa de todo tipo de herramientas informáticas. Desde la aparición de los primeros ordenadores, estos han pasado a desempeñar un papel esencial en las tareas productivas, en nuestras relaciones sociales y en nuestra vida cotidiana. Entre las diversas aplicaciones informáticas, las ofimáticas (acrónimo de oficina e informática) son las que se emplean habitualmente para efectuar trabajos administrativos en el entorno doméstico o de oficina. El presente libro explica las operaciones, desde...