Florence Nightingale

Defines pulleys, 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.

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

A powerful and accesible bilingual picture book that highlights "the power and impact of ordinary but dedicated citizens."* Every day, thousands of farmworkers harvested the food that ended up on kitchen tables all over the country. But at the end of the day, when the workers sat down to eat, there were only beans on their own tables. Then Dolores Huerta and Cesar Chavez teamed up. Together they motivated the workers to fight for their rights and, in the process, changed history. Award-winning author Monica Brown and acclaimed illustrator Joe Cepeda join together to create this stunning...

No faltan libros en los que los dinosaurios son representados como criaturas enormes y terribles, enzarzadas en una lucha interminable por devorar o ser devorados. Pero también los tiranosaurios y los triceratops fueron pequeños. ¿Cómo se veían los bebés de los dinosaurios? En este libro de cartón se muestran 10 especies de animales prehistóricos que apenas dan sus primeros pasos. Algunos se parecen un pájaro actual –hoy sabemos que muchos dinosaurios tenían plumas— y otros encantadores pequeños son distintos a cualquier criatura viva. En las imágenes del experto herpetólogo...

During the American Civil War, the United States was on the brink of falling apart irrevocably. As states seceded and brother turned against brother, hope for reconciliation was dim. This conflict, an essential topic of the social studies curriculum, is skillfully presented from its origins in the Southern slave-trade economy to bloody battles and, later, Reconstruction. Striking photographs and artwork of integral events and people will resonate with readers, while interesting sidebar information gives them more to reflect on about this terrible war and the lessons it taught us.

"Simple text and photos present the seasonal weather cycle and activities to do in each season"--Provided by publisher.