El Pacto Del Mayflower /

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

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.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

This book uses intriguing primary sources to introduce students to the life of George Washington. The detailed, authentic images and simple, repetitive phrases will engage students in reading and build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a simple glossary and index to introduce informational text features to young readers and provide additional reading support.

A través del análisis de la recepción y las diferentes interpretaciones de la obra de Cézanne, de su técnica pictórica, y de la llamada "materialidad de Cézanne", el autor concibe el impresionismo del artista como expresión característica del arte moderno, entre cuyos valores la originalidad es objeto de especial atención, puesto que buscaba expresar una visión indepediente que produjera el efecto de haber sido guiada por sensaciones inmediatas antes que por procedimientos convencionales.

Presents aerial photographs of various scenes from around the world including fishermen in Morocco, a farm on the island of Crete, and a mangrove forest in New Caledonia.

Humans and animals can also make a great team working together. See how horses and the officers who ride them work together to keep our streets safe.