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 ...

Colección infantil de la psicóloga Andrea Cardemil sobre el control de emociones en niños y niñas. Todos los niños y niñas a veces sienten miedo. A Filipo le da miedo los ruidos fuertes, a Benito la multitud, y a Amelia hacer algo por primera vez. Descubre cómo logran sentirse seguros para enfrentar la situación.

This is a story about a little girl who has questions about the moon. Through a fictional story, she discovers the answers with scientific exploration and examples illustrated through the story.

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter 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.

"El rico contenido y las llamativas ilustraciones de Mi biblioteca de ciencias, despiertan en los lecotres gran interés por la ciencia y los procesos científicos. La serie incluye datos interesantes sobre: la Tierra, el sistema solar, la materia, la energía, la fuerza y el movimiento, y la vida en nuestro planeta. ¡Por fin resulta divertido aprender sobre la ciencia!,"--page [4] of cover.