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.

Presents instructions for a collection of science experiments that demonstrate the principles of electricity and magnetism, including information on batteries, currents, static electricity, compasses, electromagnets, and more.

Whose Tail is This? Spanish Edition. Animals’ tails are all different shapes and sizes. Some animals have tails that are wide, or strong, or curly. Some are white, and some have stripes. One tail is very beautiful – which one is it?

Cuando David Houlding descubre lo difícil y dura que se está convirtiendo su juventud, sufre un síndrome real llamado Hikikomori, que lo aísla por completo de la que él considera una sociedad plástica, y pasa cuatro años encerrado en su habitación. Esto provoca una depresión, desencadenada a su vez por los actos de algunas personas que son muy importantes en su vida. Quizá nuestra realidad no sea tan diferente a la de él.

Los Cuadernos Everest de Lengua son un excelente apoyo para trabajar los contenidos abordados en el área de Lengua.