Cómo podemos utilizar la polea?

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.

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...

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

Why do continents matter? From economics to weather science—and everything in between—knowing the characteristics of the continents expands readers’ perspectives in every school subject. This fundamental information is a building block of many future lessons and an essential part of elementary education. This book presents a focused, clear, age-appropriate look at Earth’s continents that young readers are sure to find both informative and interesting. This volume is also packed with colorful maps that are labeled and explained to foster young readers’ comprehension of this important...

Al envejecer, los hombres lloran, de Jean-Luc Seigle, es una novela de la narrativa extranjera de alto valor literario que se ha convertido en un éxito sorpresa en Francia. Una novela que han hecho crecer lectores y libreros: posee un encanto que se ha propagado gracias al boca-oído. Una obra con diferentes niveles de lectu ra: una historia de amor filial, una novela sobre cómo sobrevivir a las mentiras de la Historia, un canto al poder de los libros y el conocimiento.

This parent-teacher guide features the ancient and powerful art of storytelling to illustrate the yogic philosophy in finding both personal and world peace. Combining 26 stories drawn from varied faiths and cultures—African, Buddhist, Christian, Hindu, Jewish, Muslim, Native American, and Sufi—with the rewarding practice of yoga, this handbook provides a foundation for expanding children’s listening, literacy, and communication skills, as well as their physical fitness and self-confidence, resulting from the execution of the yoga moves themselves. A set of ready-made lesson plans urges...

A simple biography of the man who worked to win fairer treatment of the migrant farm workers in California in the 1960s and to establish the United Farm Workers union.