El ferrocarril transcontinental (The Transcontinental Railroad)

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

Estaa lleno de imagenes bellas e interesantes que les enseanan a los nianos todo sobre estos animales asombrosos.

Introduce students to Paul Revere with this biography that has been translated into Spanish. Primary source documents and images will engage readers as they build their literacy skills and social studies content knowledge, while learning about this important figure in American history.

De la mano de María no sólo viajaremos hasta Valencia de Alcántara y la frontera con Portugal, sino también a una época de la historia de nuestro país donde el contrabando era la única forma de supervivencia para muchas familias. En esos años en los que las mujeres no tenían ni voz ni voto, donde sus vidas estaban sujetas a las decisiones de sus padres o a la de sus maridos, María, una mujer de espíritu libre luchará por la supervivencia de su familia cruzando sin descanso la frontera por sus veredas y trochas, y esquivando a los guardias civiles para vivir del mercado negro y el...

Provides a simple description of how astronauts aboard a space shuttle perform everyday activities such as eating, drinking, and sleeping.