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.

En la corte cordobesa del califa Al-Haken ii se ha producido un terrible suceso: Sudri, el eunuco favorito del califa, ha aparecido muerto.Todos los indicios apuntan a un joven mozárabe, Rodrigo, como único culpable; sin embargo, el médico Hantal Idrissi y su hijo comenzarán una investigación que destapará traiciones, odios y venganzas. Una novela de intrigas enclavada en el ambiente de la Córdoba califal.

Meet six women who did great things. They were leaders in politics, civil rights, healthcare, science, and sports. They helped and inspired others. All of them followed their dreams. Discover the journeys they took. This inspiring Spanish book introduces second grade students to the lives of notable women including Marie Curie, Clara Barton, Wilma Rudolph, Rosa Parks, and more. Engaging images in conjunction with easy-to-read text and basic text features provide readers with an inviting reading and learning experience.

Este diccionario ilustrado presenta diferentes escenas de la vida cotidiana de Caillou. Los niños descubrirán con él el universo de Caillou: su habitación, sus juguetes, etc. Los niños disfrutarán observando los detalles de la ilustración, que representa una escena familiar. Después podrán nombrar los objetos que aparecen en la página y afianzar lo que han aprendido con divertidas actividades.

It is July 4 and you are going to see the fireworks. But do you know why? It's Independence Day! Turn the pages of this book to find out why our country had to win its freedom, what happened on July 4, 1776 that makes this day special, why we watch fireworks on July 4. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.