Have you filled a bucket today?

A Swedish engineer arrives in Tenerife on a business trip. But it is Carnival time. Ullman soon learns that, during Carnival, one had better join the celebration.

The early nineteenth century in the United States was a study of contrasts. On the one hand, the Jazz Age brought cultural liberation, vivacity, and reckless consumption; on the other, the Great Depression brought poverty and desperation to millions. Explore these periods in American history through the eyes of the people who lived them.

Este texto de la colección "El juego de la ciencia" tiene por objetivo enseñar de forma didáctica una serie de experimentos científicos que sorprenden en el campo de la luz. Específicamente, los chicos aprenderán a crear un arcoiris con mucho ingenio, a comprender cómo funciona el mecanismo de mando a distancia, a elaborar con un estuche de discos compactos una fotocopiadora, a crear un caleidoscopio o un periscopio, a mirar con atención en una cuchara como se distorsiona la luz reflejada en ella, entre otros. Así, con estos libros experimentas el mundo de la ciencia utilizando...

Children explore the concepts of big and small in the world around them, from big round pancakes to tiny little seashells.