Como Hacer Un Cohete Efervescente/How To Build A Fizzy Rocket

What substance can act like both a solid and a liquid? Slime! Want to find out how to make your own? Just follow the simple steps inside this book

Born in 1452, Leonardo da Vinci is still, today, considered one of the most talent people to have ever lived. From his world famous paintings and drawings, such as the Mona Lisa and the Vitruvian Man, to his ingenious inventions of the parachute, the helicopter, and the military tank, da Vince was always a step ahead of his time. Discover the origins of a man who refused to be defined by just one vocation. Whether science and engineering or architecture and art, Leonardo da Vinci was the ultimate Renaissance Man.

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.

Do you know what the Liberty Bell is? Go back in history to understand why Americans fought for freedom from Britain, why the Liberty Bell was important to that time, and more in The Liberty Bell.

En Afganistán, desde la llegada de los talibanes, las niñas tenían prohibido ir a la escuela, y las mujeres tenían prohibido salir de su casa sin ir acompañadas por un hombre de su familia. Esta es la historia real de una niña llamada Nasreen. Su abuela decide llevarla a una escuela secreta. Gracias a ella, Nasreen descubrirá nuevos horizontes y compartirá sus experiencias con otras niñas.