Energía del viento

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

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

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

Con este libro mágico podrás dibujar todo lo que quieras: animales, plantas, exploradores, piratas... Y luego puedes borrarlo y volver a dibujar una y otra vez.

¿Sabías que los dragones de Komodo son los lagartos más grandes del mundo? Usan la lengua para oler a otros animales. Aprende estos y otros sorprendentes datos en Yo soy el dragón de Komodo. Did you know that Komodo dragons are the largest lizards in the world? They use their tongues to smell other animals. Learn these and other impressive facts in I Am a Komodo Dragon.

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process, from the initial research and brainstorming sessions, through the design and testing ...

Batter up and explore the comprehensive history of America's favorite pastime-baseball! This fun book features baseball's timeline, which follows the evolution of the baseball official rules through time. Also addressed are the first African American and Women's baseball leagues. Photos will keep readers engaged and vocabulary related to the game and its history is provided.