La Energía Solar (Solar Energy)

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Diego y Patricia, una pareja de traficantes internacionales de obras de arte, son contratados por un millonario francés para realizar un trabajo «especial»: robar el Códice Calixtino, un manuscrito del siglo XII custodiado en la catedral de Santiago de Compostela. El Códice es mucho más que una guía para el peregrino. En sus páginas, oculto mediante una técnica medieval, se esconde un evangelio desconocido, donde se revelan datos inquietantes sobre la historia encubierta de la familia de Jesucristo, sus asombrosas relaciones de parentesco, los conflictivos orígenes del cristianismo, ...

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 ...

SOBRE LA OBRA “Metafísica de la Misa”, del barón don Rubén Cedeño, es una obra mística, devocional, con visos de orden ceremonial, que explica puntos relevantes de la Misa desde el punto vista metafísico y, sin ser un tratado de historia del cristianismo, en algunas partes se ocupa de ello. Los datos aquí expuestos no tienen el rigor de la teológica católica ni han sido extraídos de otros libros; son informaciones, investigaciones y observaciones hechas por el autor en los lugares de los hechos; algo subjetivo, con acotaciones sobre santos, iglesias, arquitectura, música y...

Compare traditional dance costumes from Cuba, Ireland, Japan, and Nigeria! Early readers will learn inequalities and how to compare groups and numbers with this Spanish book for kids. With bright images and simple text, this full-color book develops students' math and reading skills. The Math Talk questions build fluency and comprehension of basic math concepts. Perfect for shared or guided reading, this nonfiction kids book is ideal for kindergarten and ages 4-6.