La Energía Solar (Solar Energy)

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.

Hay ciertas palabras que son, ay, un dolor de cabeza. ¿Has o haz? ¿Tubo o tuvo? ¿Vallas o vayas? ¿Ves o vez? La maestra Evita E. Rores te da el remedio para que siempre, lo que se dice siempre, sepas cómo se escriben las cosas. -----------------------------------------------------------------------------------------------------There are certain words that, ouch, can be a real headache. Miss Evita E. Rores (aka Miss Write) gives you the everlasting cure so that you will always and forever remember how words are spelled.

La maldición de Chaka, obra excepcional dentro de la producción de Henry Rider Haggard (célebre sobre todo por Las minas del rey Salomón, Allan Quatermain y Ella), trasciende la novela de aventuras para ofrecernos una narración rebosante de la historia mítica del pueblo Zulú, de épica y de elementos sobrenaturales. La historia, referida por el viejo Mopo a un misterioso viajero, nos habla de los grandes acontecimientos que tuvieron lugar durante el reinado del cruel Chaka, fundador del imperio Zulú (un mito y un dios para su pueblo, que se empeñó en matar a todos sus hijos para no...

Animals talk with sounds, but they talk with their bodies, too! This engaging Spanish book teaches beginning readers about different ways that animals communicate. Engage students in reading as they develop their early childhood literacy skills. With TIME For Kids content, this full-color book is aligned to state and national standards, and introduces students to simple informational text features.

These biographies introduce young readers to important figures in American history. Ideal for reports and correlated to the social studies curriculum, the series presents a straightforward account of each individual's life and times and describes how each person contributed to the shaping of our nation.