La Energía Solar (Solar Energy)

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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.

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

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

Find out how tools have helped people hunt, build, and make life easier in this engaging, Spanish-translated nonfiction title. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it! Featured eras include the Stone Age and the Industrial Revolution.

Los poetas que aparecen cuando el reciente fin de siglo suelen jugar con los crepúsculos y con Emily Dickinson. María Elena Hernández Caballero asombra con misteriosos diálogos postreros desde su primer libro. Siempre se está yendo. Esa es la esencial característica órfica que transmite. Una urgente intranquilidad, a la expectativa siempre, señala que el mundo es una esfera que Dios hace bailar sobre un pingüino ebrio. Y el lector de inmediato busca la matriz. La encuentra y se le pierde una y otra vez, uno y otro poema, entre derrotas y ramas rotas. Es un payaso que observa las...

How many hockey sticks are there? How many hockey players? Early readers will learn to count cardinal numbers with this Spanish book for kids. With bright images and simple text, this full-color book develops students' math and reading skills. The Math Talk questions build fluency and comprehension of basic math concepts. Perfect for shared or guided reading, this nonfiction kids book is ideal for kindergarten and ages 4-6.

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...