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Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.
Total de páginas 32
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El Mayflower es un barco que ha llegado a ser célebre en la historia de los Estados Unidos porque en 1620 transportó desde Inglaterra al grupo conocido como "los peregrinos", quienes serían los primeros colonos europeos en establecerse en Norteamérica. Ellos zarparon desde el puerto inglés de Southampton y bautizaron como Nueva Inglaterra a la tierra que los acogió. Como señala este libro, el Pacto del Mayflower designa el acuerdo que los hombres adultos de esta comunidad firmaron a bordo del barco para fijar criterios generales que sirvieran como fundamento para el gobierno de la...
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.
Poems celebrating the life and work of Cesar Chavez and the Mexican American labor movement in the 20th century. This thoughtful and beautiful biography illuminates not only the events that made up the great labor leader's life, but also the ideals and inspiration that are his legacy.
The Mi Mini Biografia series are Spanish language biographies for the earliest readers. This book examines the life of Eleanor Roosevelt in a simple, age-appropriate way that will help children develop word recognition and reading skills. Includes a timeline and other informative backmatter.
Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.
Ofrece una explicación de las soluciones y mezclas y en qué se diferencian, así como ejemplos de mezclas y soluciones.
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