Louis Pasteur

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

It was September 14, 1814, and America and Great Britain were at war. Frances Scott Key watched from the deck of a British ship, where he was being held captive, as cannons exploded around them. After 25 hours, the fighting ceased and Key peered through the clearing smoke, looking for some sign as to the outcome of the battle. Was the American flag still flying? His wartime experience inspired Key to write a poem, which was later set to music and became America’s national anthem. This book tells the story of the inspiration behind our national anthem, which helped transform the flag into a...

Un gigantesco depredador ha destruido el embarcadero de Wala wala, y Bizcoché, Dani y Evan se sumergen en las oscuras aguas del Santuario para descubrir qué es. A bordo de Canelo 1, el sumergible que ha inventado el profesor, explorarán las profundas aguas jurásicas. Verán mosasaurios, megalodones, plesiosauros... ¡y al temibe Depredador X! ¿Podrán escapar? ¡Descúbrelo en esta trepidante aventura!

La Editorial EVEREST ha creado el Método de Español para Extranjeros en colaboración con la prestigiosa Universidad de Valladolid, de su Fundación General y de su Centro de Idiomas. El método está estructurado en tres niveles y cada nivel consta de tres libros y una casete.

Este Diccionario ideológico o ATLAS LÉXICO contiene más de 200.000 voces clasificadas en unos 1.600 campos semánticos. Las palabras aparecen en listados de términos asociados, afines, vecinos o sinónimos que se prestan a la expresión de un concepto. Distingue los usos en función del contexto social (general, coloquial, malsonante, vulgar, ingenio popular y refranes); los dominios geográficos (españoles y americanos); y la actualidad del término (antiguo, desusado y recién incorporado). Además de permitir la consulta del significado de una palabra añade la posibilidad de buscar...