La Energía Solar (Solar Energy)

Defines screws, 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.

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

Suitable for training advanced level students in writing texts in different styles and registers in Spanish

Con palabras provenientes de un Dios de amor sobre el valiente hombre de honor que él será algún día. Él sueña con castillos, caballeros y atrevidas aventuras imaginarias... ¡pero ya es el hijo de un Rey real, y parte de un reino real! En una conversación hermosamente ilustrada entre ese Rey y su hijo guerrero, Gran Guerrero ofrece la verdad referente a lo que significa crecer siendo fuerte, valiente y veraz.

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

No longer famous, journalist Cannie Shapiro writes science fiction under a pen name while raising her teenage daughter, and considers her husband Peter's request to have Cannie's flamboyant sister provide surrogate services so that they can have a second child.