Luz Y Sombra

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

Twirling tornadoes, horrific hurricanes, deadly dust storms, and blowing blizzards. Depending where you live, you may have experienced one of these extreme storms. Although being caught in extreme weather can be dangerous, being prepared can save your life. This nonfiction Spanish book introduces students to extreme weather, and teaches them important scientific concepts and vocabulary. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and national standards, the fun lab activity provides a real-world learning experience that ...

Fernando de Artacho y Pérez Blázquez (Sevilla, 1960). Licenciado en Derecho por la Universidad de Sevilla y abogado, realizó los cursos de doctorado en Historia y en Ciencias Políticas. Es Diplomado en Genealogía, Heráldica y Nobiliaria por el Consejo Superior de Investigaciones Científicas. Colaborador en revistas especializadas y medios de comunicación escritos, ha publicado más de media docena de libros, entre los que destacan: Manuscrito sevillano, Los Caballeros Veinticuatro del Puerto de Santa María, Padrón de Nobles e Hijosdalgos de la ciudad de Sevilla en el siglo XVIII,...

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...