Los fósiles y las rocas

Three Quarters Of Our Earth Is Blanketed By Water. How This Water Is Used, From Bathing To Irrigating Crops Is Addressed. That Water Travels In A Never-Ending Pattern Called The Water Cycle. Tips On How To Conserve Our Most Important Natural Resource Are Included.

Students Will Love Learning More About Our Earth, Moon, And Stars In This Title. It Gives Information On The Phases Of The Moon, The Constellations Of Stars That We See In The Night Sky, Comets And Meteors, And What Exactly Happens During A Lunar Eclipse.

California grew by leaps and bounds between the Gold Rush and 1900. People from different backgrounds emigrated to California from across America and around the world in search of a new life. This primary source reader focuses on immigration in California from the time of the Gold Rush to the end of the nineteenth century. Primary source documents allow students to see different points of view, and help students look at the world and current issues with a historical lens. This Interactiv-eBook builds literacy and social studies content knowledge through the use of intriguing primary sources...

"Nueva York, Berlín, París, Moscú, San Petersburgo y México son algunos de los escenarios de esta apasionante novela que se adentra en la vida del poeta vanguardista ruso Vladimir Maiakovski. Un hombre extremo, arrogante, un narcisista que no soportaba que no lo quisieran, un soñador que creía en el futuro y que vivió con una intensidad desbordante su relación amorosa con Lily Brik, permitida y alentada por su marido Osip, en uno de los triángulos más famosos de la literatura mundial. Contagiado por la personalidad de su protagonista, éste es un libro provocador, radical, regido...

Un práctico libro que engloba diferentes contenidos, con explicaciones muy sencillas e ilustraciones adaptadas, para tratar los temas preferidos de los más pequeños. Con esta enciclopedia podremos resolver las dudas más diversas con claridad y precisión.

In 1789, George Washington became the first president of the United States. With over 100 black-and- white illustrations, the fascinating story of "the father of our country" comes to life in Spanish - revealing the real man, not just the face on the dollar bill!