La luz y sus efectos (Light and Its Effects)

Learn all about the law of conservation of mass with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms with this nonfiction book that explores the law of conservation of mass in detail. Aligned to state and national standards, this leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity encourages students to think like scientists. Keep students engaged in learning with this Spanish book.

Take a tour of the world's most fascinating landmarks! The Gateway Arch, Big Ben, the Pyramids of Giza, and the Sydney Opera House are just a few of the landmarks that students will learn about in this high-interest book. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning arithmetic concepts relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and...

Explains that people take measurements to find out how tall, how long, how far, how fast, how heavy, how much, and what size.

Esta obra pretende desarrollar la comprension estrategica del jugador y asi permitirle mejores resultados.

Una gran epopeya histórica con aires de leyenda. La historia de una ciudad sometida que anhelaba la libertad y del hombre que luchó por alcanzar ese ansiado milagro. Amor, ambición, secretos, venganzas y traiciones se entrelazan sobre el fondo de una época oscura y fascinante. En el siglo IX, Barcelona se encontraba en los confines más lejanos del Sacro Imperio. Gobernada por los francos desde la distancia, la ciudad, de apenas mil quinientas almas, se había convertido en una tierra abandonada, asolada por intentos de conquista de los sarracenos y las hordas salvajes, y sometida a la...