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.

Simple text and photographs introduce the concept of "skip counting," or counting by groups of a certain number, and present items for practice.

La conmemoración de los 60 años del Teatro Experimental de Jalisco es el motivo para recordar la importancia del teatro en la sociedad, ya que los escenarios y las artes escénicas han servido siempre para dar voz, se han utilizado como vehículo sin censura para expresarse y crear espacios de libertad. Tras seis décadas de operación, este teatro mantiene su misión como un espacio para albergar diferentes voces, diversas expresiones artísticas y para todo tipo de público. Justamente de ello trata este libro: de la huella que ha dejado este recinto en su comunidad a partir de explorar...

What continues to expand to take up all the space it can? Gases! Gas is a state of matter, like a liquid or a solid. But it has properties that are quite different. In this Spanish-translated book, read all about the differences and what makes a gas a gas. This 6-Pack includes six copies of this title and a lesson plan.

Who wants new pants? Not this little boy! He wants to keep his old, worn, torn, too-small pants. His mom does not agree.