Experimentos con la luz

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

Estas novedosas propuestas lúdicas para el desarrollo curricular de la educación física son un magnífico ejemplo de cómo se debe tratar el juego motor. En este libro los profesionales de la educación física encontrarán, a lo largo de tres extensos capítulos, un amplio repertorio de experiencias lúdicas bien sistematizadas, originales, fáciles de aplicar y adecuadas a la edad de los alumnos. El autor clasifica los juegos en tres grandes apartados que responden a objetivos y necesidades diferentes: los juegos motores y de acondicionamiento con material alternativo, cuya finalidad es...

Simple text paired with engaging full-color photographs of childrens faces will help children recognize the elements of a happy expression.

Familiarize beginning readers with the different jobs of community workers. Featuring basic concepts, easy-to-read informational text, and engaging photographs this Spanish-translated nonfiction title is sure to create an exciting learning adventure.