Energía del viento

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

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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...

This fun book introduces readers to basic geography words. On each page, a child gives clues to the kind of landform they are sitting on. Then they ask the question, Where am I? Young readers learn about mountains, caves, deserts, and other things in our natural world. An activity at the ends asks readers to match photos with their landform names.

¡Otra vez se ha perdido Gocú! El gatito se subió a un globo aerostático que lo lleva de paseo por las vocales. Cada vocal ofrece divertidísimas actividades para los recién iniciados en el proceso de alfabetización (a partir de los 4 años).

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.

"Text and photographs describe common things that are purple, including eggplants, grape jelly, and flowers"--Provided by publisher.