Los biocombustibles

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 Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

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.

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

Students will learn that small actions can make a big difference! This Spanish nonfiction book explains why civic duties are important and how to fulfill them. The book includes a glossary and a short fiction piece related to the topic. With examples of heroes like Jackie Robinson and Sandra Day O’Connor, this book and the accompanying project will help students see what it means to be leaders. This 32-page full-color Spanish book describes the importance of civic duties while giving examples of people who can serve as role models for students. It also explores important topics like...

"In this compilation, the author invites us to play with sounds, meanings, and the rhythm of words. The illustrated poems have a variety of motifs, such as insects, stars, people in love, the calendar, and some witches who go to the supermarket. This is an opportunity to introduce children to the musicality of language in a simple way."

3 million years ago, men built the first stone tools for hunting. 2 million years ago, men walked in a completely upright position and had already discovered fire. 1 million years ago, men organized themselves in groups... Okay, okay, but what about the women? Where were the women in the meantime?

Chuma está raro... Y no es porque tenga un solo ojo (¡y de color amarillo!) ni por sus cuernos, ni siquiera porque se comunique con gruñidos... Está raro porque no encuentra a sus amigos: ¿dónde se habrán metido el perro invisible, Barto el Lagarto y Marina la Bailarina? En este libro-disco, además de ayudar a Chuma a reunir a su pandilla, ¡podrás bailotear con canciones muy molonas!