El Sistema Nervioso

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...

"Discover how legislative branch works. Learn about the Senate and the House of Representatives and their important role in the United States government. Find out how laws are made, who can run for Congress, and the role citizens play in selecting our government leaders."

Un proyecto que incluye los contenidos curriculares de las distintas comunidades autónomas. Las unidades se desarrollan con un enfoque práctico, de forma que permite un trabajo autónomo por parte de los alumnos , aunque no se descuidan todos los aspectos teóricos de la materia, lo que resulta muy útil para usuarios no especialistas. El libro atiende tanto a los usuarios de software propietario como a los de software libre ; todos ellos tienen múltiples actividades para desarrollar.

The Bill of Rights is one of the most important parts of the United States Constitution. Understanding this document is a vital part of understanding the rights we have as American citizens. This informative volume delves into each amendment of the Bill of Rights and looks at the important people and political decisions behind them. Graphic organizers, charts, and primary source documents supplement this already richly informational resource.