La energía: uso, consumo y ahorro energético en la vida cotidiana

Why did the Civil War begin? Which states were part of the Union and which were part of the Confederacy? Readers will learn the answers to these questions and more as they move through this fascinating nonfiction Spanish-translated book. The easy-to-read text, engaging facts, and vivid images and illustrations help highlight some of the aspects that led up to the Civil War including the slavery, the Underground Railroad, abolitionists, the Fugitive Slave Act, the Dred Scott Decision, and the Lincoln-Douglas debates. The accessible table of contents works in conjunction with the supportive...

Se trata de un cuaderno fungible de 64 páginas dividido en las 10 Unidades de las que consta el libro del alumno. Las actividades que se proponen son muy variadas. En la guía se ofrece la solución de todas estas actividades.

Read about the kinds of jobs that people do as engineers, and how they use math, science, and creative thinking to solve problems.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! Los delfínes son conocidos por ser juguetónes intelligentes—que más podemos aprender sobre ellos? Ahora en español, este título involucra a lectores jóvenes a medida que aprenden todo acerca estes mamiferoes del mar. Fotos de color agregan interés visual, y preguntas de consideración ayudan animar lectores durante su desarrollo de leer libros de no ficción. Dolphins are known for being playful and intelligent—what else can we learn about them? Now in Spanish,...