Florence Nightingale

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

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.

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

Un libro para conocer dónde vivía Pupi antes de aterrizar en la Tierra y las muchas aventuras que vivió durante el trayecto.Incluye juegos, pasatiempos, recetas originales y humor, mucho humor. Además, el lector podrá enfrentarse al reto de encontrar todos los secretos que se ocultan detrás de la tinta térmica.

Asteroids and comets shoot straight through space. They just look like bright lights with tails, but there is much more to these fascinating objects! Learn all about asteroids and comets in this Spanish-translated book.

Color, brillo, mística y a la vez sentimiento de raza y profundidad impenetrable. Darío, creador del Modernismo, no sólo renovó el idioma y las estructuras, sino que aportó una estética más universal. (Esta edición es Premio Banco del Libro de Venezuela 1990).

The Hindenburg, the largest airship ever built and the pride of Nazi Germany, burst into flames over Lakehurst, New Jersey, in 1937. It swiftly fell from the sky and was incinerated. This incident is remembered as the most infamous airship accident, killing 36 people and sinking the dirigible transportation industry. Fascinated readers will explore why and how this giant hydrogen-filled ship was made and the reasons it may have been doomed to fail. They'll also learn conspiracy theories and surprising facts about the circumstances of the terrible disaster. Authentic photographs and thoughtful ...