Montaje eléctrico y electrónico en instalaciones solares fotovoltaicas

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

Did you know the first battery-powered vehicle was created in the 1830s? People who attended the 1892 World's Fair in Chicago could see one. And in 1894, you could buy an "Electrobat" and travel 25 miles on a single charge! Since then, EVs have surged in popularity and have become much more technologically advanced. Learn the history of EVs, how they work, why they're good for the environment, and discover the future of the electric vehicle! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging...

Forces and motion are key concepts in the elementary science curriculum. This Spanish edition of How Simple Machines Work uses simple text and full-color photographs to help ELL students understand the principles behind simple machines. Each volume includes three diagrams to enhance comprehension. The text uses authentic language and is designed to build reading skills as well as knowledge of basic science concepts.

Medio sol amarilloes una novela épica y magistral, que cuestiona el colonialismo, las alianzas étnicas y la responsabilidad moral de un conflicto, el de Nigeria, apoyado por las potencias mundiales. Medio sol amarillorecrea un período de la historia contemporánea de África: la lucha de Biafra por conseguir una república independiente de Nigeria, y la consecuente guerra civil que segó la vida de miles de personas. Con gran empatía y la naturalidad de una narradora comprometida, Chimamanda Ngozi Adichie recrea la vida de tres personajes atrapados en las turbulencias de la década: el...