La Energía Solar (Solar Energy)

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.

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

Highlights the life and political career of the forty-fourth president of the United States who, after years of struggling with his identity and place in society, found his niche in public service and made history as the first African American U.S. President ever to be elected.

Este libro se trata del gran ciclo de la Cuenta Larga y la profecía del fin de ciclo : - el apogeo de la Cuenta Larga durante los 400 años del Baktún 9, la invención del cero - el origen de la profecía del fin de ciclo y las fechas que contradicen esta profecía. - el estudio de la estela de Tortuguero, conocido para anunciar el fin de ciclo del calendario maya. - por último, el Baktún 10 y los principios de las Cuentas Cortas Es la segunda parte de la serie "Los calendarios mayas", que trata de los principales calendarios mayas y del gran ciclo del calendario maya. El precedente libro ...

This title looks at one of the tiniest and cutest species of fox. Readers will learn more about the fennec fox's size, where it lives, what it likes to eat, and even compare it to regular-sized fox species. Complete with adorable and colorful photographs that support the simple text. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Junior is an imprint of Abdo Kids, a division of ABDO. Translated by native Spanish speakers--and immersion school educators.

Frente al espejo es una conversación íntima entre amigos. Una confesión con el ánimo de agradecer a la vida. Un repaso en un momento crucial. Un poner por escrito lo que nunca se ha dicho. Una forma de sincerarse frente al espejo.