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.

It is time to learn about living things! Can you spot which things are living? Can you tell which things are nonliving? With images that are easy to identify and clear, simple sentence structures, this Spanish science reader simplifies scientific concepts for young readers. 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 young learners with this dynamic text!

"Aprende todo acerca de los delfines en este emocionante libro en espaänol. Con sus imâagenes encantadoras, los niänos aprenderâan todo sobre estos asombrosos animales marinos. Este libro de Nivel 2 es apropiado para los primeros pasos de lectura independiente o para una experienciade lectura en voz alta,Æperfecto para motivar a futuros cientâificos y exploradores!"

Vocabulary words for a variety of locations and activities are introduced with supporting illustrations.

¡A los niños les encantará aprender a contar y a sumar de la forma más divertida! Este original libro incluye números magnéticos del 1 al 20, dos cuadernillos con sumas sencillas que unas simpáticas abejas magnéticas ayudarán a resolver a los niños y una línea numérica para aprender a contar.