Cómo podemos utilizar la polea?

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.

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.

Libro de texto de religión católica de 2o de ESO, en castellano, para Andalucía. Contiene 144 páginas y 10 unidades didácticas que desarrollan el currículo oficial de la Conferencia Episcopal Española y tiene en cuenta la realidad social de Andalucía. Está destinado a los alumnos del segundo curso de la Educación Secundaria Obligatoria. El eje vertebrador de todo el libro, orientado al aprendizaje de la religión católica en el centro escolar se estructura en torno a estos bloques temáticos: - Las personas nos preguntamos (tema 1) - Por qué y para qué vivimos (tema 2) - Dios...

Introduces readers to amphibians and the concept of classes of animals. Simple text describes the common features and behaviors of amphibians as well as offering many examples of creatures in this group.

English Spanish bilingual children's book. Perfect for kids studying English or Spanish as their second language. Little Jimmy doesn't like to brush his teeth. Even when his mother gives him a brand new orange toothbrush, his favorite color, he doesn't use it like he is supposed to. But when strange and magical things start happening to Little Jimmy, he begins to realize how important brushing his teeth can be. I love to brush my teeth is a delightful story full of beautiful illustrations sure to get your little ones attention. If your child is having difficulty learning to brush their teeth...

Discover 25 women who challenged the status quo and fought for what they believed in. From all corners of the world, these women show us that barriers are meant to be broken and obstacles can be overcome. Learn about some of the fierce women who persevered in the face of adversity to fight for what they thought was right. Fully translated Spanish text.