La Energía Solar (Solar Energy)

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

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.

Como expresa en su introducción Franco Volpi, EL ARTE DE INSULTAR es el complemento perfecto de EL ARTE DE TENER RAZÓN, pues, tal como acababa concluyendo el propio Arthur Schopenhauer (1788-1860), y aun previniendo contra él, éste era el último recurso cuando todas las demás artes de la argumentación habían fracasado. Si bien el fundador del pesimismo desaconsejó en todos sus escritos llegar a tal extremo, fue generoso a la hora de diseminar a lo largo de sus obras insultos, improperios, ofensas, escarnios y sentencias tajantes que, reunidas en orden alfabético en este volumen que...

In life there are lots of things that come and go, transform, or get left behind. It happens to everything . . . except this. This book deals with life changes and the passage of time with a great deal of sensitivity. To reinforce the message, each scene includes a page with special paper that invites us to witness the transformation.

It s fiesta time! Cinco de Mayo is a fiesta day in Mexico and the United States. It s celebrated on the fifth of May. This colorful holiday honors Mexico s victory over the French army at the Battle of Pueblo in 1862. People march in parades, dance, and set off fireworks. Families enjoy traditional Mexican food and drink. Then they watch people act out the famous battle. Find out more about this joyful celebration of Mexican culture.

Biography of Elizabeth Cady Stanton, a leader in the fight for women's right to vote in the United States.