Cada dólar marca la diferencia

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person ...

Teach students about the Declaration of Independence and the historical events that led up to it, with this Spanish-translated book. Readers will also learn what roles John Adams, Benjamin Franklin, and Thomas Jefferson played in the creation of the document. This book includes engaging images and text features to help readers better understand the vocabulary and social studies content.

"Aprende todo acerca de los delfines en este emocionante libro en español. Con sus imágenes encantadoras, los niños aprenderán todo sobre estos asombrosos animales marinos. Este libro de Nivel 2 es apropiado para los primeros pasos de lectura independiente o para una experiencia de lectura en voz alta, ¡perfecto para motivar a futuros científicos y exploradores!"--Amazon.

Queremos que en compañía del Cid, los lectores recorran algunos de los géneros que forman la rica historia de la literatura hasta nuestros días. Desde los poemas medievales, a través del romancero, el teatro y el cine, llegamos hasta las recientes biografías de nuestro personaje. De todo hay, y esperamos que el lector avive su curiosidad sobre don Rodrigo Díaz de Vivar, cuya presencia es casi constante en nuestra literatura.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.