Ciencias para el mundo contemporáneo

Few kids can resist jumping into a big puddle. Getting wet can be fun. Learning to describe objects as wet can be fun, too, as evidenced in the bright, entertaining photographs and simple, engaging text in this motivating book. Readers will love to identify the objects within these pages, selected to appeal to them, and use the objects to comprehend new vocabulary words in corresponding sentences.

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 ...

Antonio Machado es uno de los poetas más importantes que ha tenido nuestro país. Leonor, su esposa y su musa, era para él al alegría, la vida, la felicidad. Pero también la sabiduría. No la de los libros o las escuelas, sino la de las cosas pequeñas, esas cosas que Antonio convirtió en poemas. Poemas tan hermosos que hoy en día, verso a verso, seguimos recordando. Carmen Posadas nos acerca a Machado en el setenta aniversario de la muerte del poeta, con un texto emotivo que nos muestra que sin amor no hay vida, y tampoco poesía.

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...