Viaje al corazón de la selva

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning...

Ignacio Zaragoza Seguin was born in Goliad, Texas, in 1829, when Texas was part of Mexico. His family lived on a Mexican fort because his father was a soldier in the army. Ignacio wanted to be a just like his father! When he was seven, Texas became independent from Mexico, and the family had to move to Matamoros, Mexico. Later they moved to Monterrey. Ignacio tried to join the Mexican army in 1846 when the United States declared war, but he was too young. He was finally able to join the armed forces when he turned 24. An outstanding soldier, he was named the commander of the Mexican army and...

James Lovelock —autor de la La venganza de la Tierra, Planeta, 2007— pone sobre la mesa las pruebas de un futuro poco esperanzador para nuestro planeta. El polémico científi co creador de la teoría de Gaia —que considera la Tierra como organismo vivo que se autorregula en pos de su supervivencia— presenta aquí una verdad aún más incómoda que la de Al Gore. Ninguna acción humana tiene la capacidad de reducir las consecuencias con la rapidez suficiente, ni siquiera para frenar el cambio climático. Sin embargo, la civilización tiene el deber de sobrevivir en los pocos refugios...

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.