John Muir

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 ...

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.

Explore outer space and learn about stars, galaxies, planets, asteroids and how these bodies are all related to one another. Featured in this book are photographs from outer space and related vocabulary.

From where they are located to the various animals that live there, early readers discover the lush forests of the world in this inviting, Spanish-translated nonfiction title that features vivid, brilliant images in conjunction with informational text and intriguing facts about this amazing ecosystem.

Correlated to the science curriculum, our Spanish-language series describes how the types of homes that different animals build reflect adaptations to their environments. Through simple, easy-to-follow text, each volume looks at each type of home as a shelter from predators and weather and a place to store food and raise young. Young readers also learn how animal homes and human homes fulfill similar needs and functions.

Familiarize beginning readers with the different jobs of community workers. Featuring basic concepts, easy-to-read informational text, and engaging photographs this Spanish-translated nonfiction title is sure to create an exciting learning adventure. This 6-Pack includes six copies of this title and a lesson plan.