Cómo podemos utilizar el tornillo?

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

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.

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

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Book Features: • 32 pages, about 7 inches x 9 inches • Ages 8-14, Grades 3-8 Latin bi-lingual themed leveled readers • Simple, easy-to-read pages with vibrant illustrations • Features side-by-side English and Spanish text • After-reading questions and activities included The Magic Of Reading: Introduce children to the magic of reading, culture, and music with Sofía Reyes: Stars of Latin Pop/Estrellas del Pop Latino. The 32-page book features vibrant photos and interesting facts about the beloved superstar. Stars Of Latin Pop: Sofía Reyes is an award-winning Mexican singer that's...

Regina no sabe que un simple contrato cambiará su vida para siempre, y Emma no sabe que ese contrato le traerá aquello con lo que siempre ha soñado

En 1965 —año de redacción de Las calles— España era un país que comenzaba a salir de una oscura y larga posguerra para entrar en una primera etapa de confort auspiciada por el turismo y las divisas. Como ocurre en la actualidad, ese bienestar que comenzaba a penetrar en nuestro país, sobre todo en las grandes ciudades, no llegaba a todos por igual. El protagonista y narrador de esta obra es uno de esos hombres a los que la seguridad económica todavía no ha alcanzado. No es que no tenga un trabajo, es que no tiene un buen sueldo. Su empleo le permite sólo, y a duras penas,...

As a successful former slave, Clara Brown used her money to help other freed slaves get a new start in life. In 1859 Clara bought her own freedom and headed west to Colorado to find her daughter, who was sold when she was just a little girl. Clara didn't find her daughter there, but she did get rich. The people she helped became her family, and she became known as "Aunt" Clara Brown.