Energía del viento (Wind Power)

Biografía de Azucena Villaflor es un material indispensable para quien quiera conocer detalles del origen de Madres de Plaza de Mayo. Del origen contado por sus propias protagonistas. Y para conocer a Azucena desde tres generaciones anteriores. Pero sobre todo, para recorrer al lado de ella los días tremendos desde el 30 de noviembre de 1976 cuando la dictadura secuestra a su hijo Néstor, hasta que es arrojada desde un avión de la Marina, con vida, al mar.

This work narrates the meeting of two young students who in a chance chat, begin to play with stars and numbers and learn about physics, chemistry and astronomy. They learn that science is in everyday life so that we imagine it is not a restricted area, only for the geniuses, but a tool, a way of life, a passion.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This primary source book provides firsthand accounts of history that give students personal insights into historical events. Learn about California’s history during the 20th century with this Spanish book that builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their ...

Got a fan of snakes, lizards, and turtles? Dig into this beginner's guide to reptiles from Cathryn and John Sill, creators of the award-winning About... series. Author and educator Cathryn Sill explains in simple language the basic characteristics that all reptiles share, while offering a look at many of the animals that fall into this diverse category, including ever-popular lizards, snakes, and turtles. The beautifully detailed paintings of noted wildlife illustrator John Sill depict reptiles in their habitats and highlight their unique aspects. An afterword provides more detail on each...