El desconocido del tiempo

Asteroids and comets shoot straight through space. They just look like bright lights with tails, but there is much more to these fascinating objects! Learn all about asteroids and comets in this Spanish-translated book. This 6-Pack includes six copies of this title and a lesson plan.

This Ever Popular Subject Is Explained In Detail In This Wonderful Book. How The Earth Is Made From Rock, The Three Different Types Of Rock And How They Are Made And Where They Can Be Found. Talks About How Fossils Are Formed From Sediment And What Role That Plays In Helping Us Learn About Life Long Ago. Talks About How These Fossilized Plants And Animals Became The Fossil Fuels That Are So Important To Our Present And Future Life On Earth.

El Conocimiento del Medio nos ayuda a convertir nuestro mundo en un PLANETA AMIGO. Nos permite conocer la naturaleza, valorar nuestro entorno y desarrollar actitudes de respeto hacia otras culturas y otros pueblos. Con el Conocimiento del Medio podemos descubrir cómo somo, compartir con los demás nuestros conocimientos y construir entre todos un PLANETA AMIGo, en el que convivamos en un mismo entorno personas con diferentes formas de pensar.

Universo is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.