Simplemente Ciencia. Clima

The Importance Of Plants And Our Dependence On Them Not Only For Food But Also For Our Clean Air And Water Are Discussed In This Title. How Crops And Plants Have Been Genetically Modified To Resist Disease And Insects. The Impact Humans Have On Our Earth And What We Can Do To Reduce The Use Of Our Nonrenewable Resources Are Discussed.

In this bilingual picture book, astronaut José M. Hernández recounts his childhood as the son of Mexican migrant workers and his life-long dream to travel to the stars.

En el Pacífico Sur, en 1944 y 1945, se libraron batallas militares entre Estados Unidos y Japón. Rodeados del traqueteo de las balas y las explosiones de las bombas, un grupo de marines navajos enviaba mensajes secretos de un lado a otro. Usaron un código que crearon a partir del idioma navajo, y que el enemigo nunca pudo descifrar. Estos jóvenes fueron reclutados de sus hogares en el suroeste de Estados Unidos. Trajeron consigo una resistencia física increíble y un lenguaje que nunca había sido escrito. Aprende sobre los locutores de claves navajos: héroes valientes y creativos que...

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.