El latido del agua

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....

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

Describes the life and times of the well-known hero of the American Revolution, Paul Revere, a patriot and silversmith whose midnight ride was made famous in a poem by Henry Wadsworth Longfellow.

El Tombuctu nos habla de la gran inundacion de la ciudad de Mexico ocurrida en 1629. El preso numero cuatro retrata la vida colonial durante el siglo XVIII y cuenta la vida de tres personajes muy humildes que por azares del destino van a la carcel de la Santa Inquisicion y acaban formando una familia.