Conservación de la masa (Conservation of Mass)

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation....

Una novela para sentirla y vivirla en imágenes, a modo de guión cinematográfico, listo para rodar. Una historia de máximo interés para los jóvenes de hoy.

Introduce students to civil rights leader and U.S. Supreme Court Justice Thurgood Marshall. With this Spanish-translated biography, readers will learn about Marshall's inspiring life and contributions. Engaging, primary source images and supporting text work together to help readers better understand the social studies content. Informational text features help students navigate the text.

As a successful former slave, Clara Brown used her money to help other freed slaves get a new start in life. In 1859 Clara bought her own freedom and headed west to Colorado to find her daughter, who was sold when she was just a little girl. Clara didn't find her daughter there, but she did get rich. The people she helped became her family, and she became known as "Aunt" Clara Brown.

Gracias a este libro y a sus instrucciones ilustradas paso a paso, aprenderás los conceptos básicos de la manipulación del redstone para crear circuitos y fabricar espectaculares mecanismos y artefactos, como puertas automáticas, pistones, interruptores, hornos, trampillas secretas, cañones de TNT, granjas automáticas y muchos más. ¡Repleto de consejos de expertos, todo tipo de trucos prácticos y más de un centenar de pantallazos!