Cómo podemos utilizar la palanca?

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.

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

Esta excelente biografía del célebre químico francés está dirigida especialmente a los lectores jóvenes y presenta los logros más significativos de este importante científico. Él realizó investigaciones decisivas sobre la fermentación y las bacterias, sostuvo que los gérmenes eran los responsables de las infecciones y desarrolló el proceso de la pasteurización, de enorme importancia para la economía y la salud pública. Además, descubrió las vacunas contra el ántrax y la rabia. También fue el primer director del Instituto Pasteur, fundado en 1888 para investigar los virus y ...

Even before Christmas celebrations began, evergreen trees were used as part of winter festivals and celebrations. Today, many people still bring a real fir tree into their home at Christmastime, or an artificial tree that may come in any color including green, silver, or pink. Written with age-appropriate language and content, this book explains the symbolism behind our use of Christmas trees today and the many famous trees readers may know, including the huge tree at Rockefeller Center in New York City.

"In search of "Don Quixote" from other side of the estimate that there are no gaps between the various fields of knowledge and literary productions that are specific manifestations of a global representation system historically determined. So, it seemed necessary to put Don Quixote in its various circumstances, linking it to the contexts under which it has set, especially regarding attitudes and references involved, not to mention the cultural particularities that arise in him, both scholarly and popular. Hence, the approaches used, of a historical, anthropological and literary, to go for the ...

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

El projecte 3.16 és el nom que rep la línia dels nous materials educatius d'Editorial Cruïlla, que abasta des d'Educación Infantil fins a Secundària i que aposten por un projecte educatiu integral: - Educar a descubrir, construir conneixements - Educar a pensar, ensenyar a aprendre - Educar a ser, fer créixer persones