Energía del viento

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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

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

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

Esta serie de cinco títulos, es una guía práctica y sencilla, que demuestra que pintar con acuarelas no es tan difícil como algunos creen, si se siguen las indicaciones dadas por el autor.

Do you have what it takes to be an athlete? In this Spanish-translated nonfiction book, readers learn about the hard work, athletic training, and dedication that athletes from all sports and levels go through to be healthy and successful. Readers are familiarized with concepts like coordination, endurance, and athletic motivation. Along with stunning photos and charts and riveting facts, this nonfiction title includes an interview with a real-life Olympic athlete and an accessible glossary, index, and list of useful sources. This 6-Pack includes six copies of this title and a lesson plan.

Winning the American Revolution was just the first step. After defeating Great Britain, the American colonies were united in name only. How would this independent nation be governed? During the summer of 1787, representatives went to Philadelphia to solve the problem. The result, the U.S. Constitution, created a new government, establishing the foundations of a free nation and setting a new course for history.

¡Estás a punto de descubrirlo! Abre este libro y explora el asombroso mundo de la biología: la ciencia que estudia a los seres vivos, desde las enormes ballenas azules hasta las microscópicas bacterias que viven en tu piel. En estas páginas conocerás de cerca plantas que comen carne, cerebros que te engañan, hongos cocineros y muchos otros seres extraordinarios. Sin perder el humor descubrirás que todo a tu alrededor... ¡está vivo!