Ondas sonoras y la comunicación (Sound Waves and Communication)

Una colección de libros que combinan historia del arte con imágenes, espectaculares pop-ups y divertidas actividades para descubrir las obras y los artistas más reconocidos de todos los tiempos. Tras la Mona Lisa y Alexander Calder, ahora ponemos al alcance de los más pequeños la obra de un artista que revolucionó el mundo del arte: ¡el genial Andy Warhol!

Había una vez un gorrión muy preocupado. Todas las demás aves levantaban la vista para mirar el magnífico cielo azul y cantaban de alegría; pero no el gorrión muy preocupado. Él solo se preocupaba. Le preocupaba volar, le preocupaba que le faltara comida, le preocupaba encontrar una pareja y construir un nido... ¡y sobre todo le preocupaba el terrible gavilán!Hasta que descubrió algo muy importante.There was once a Very Worried Sparrow. All the other birds looked up at the bright blue sky and sang for joy. But not the Very Worried Sparrow. He just worried. He worried about flying,...

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).

This Spanish-translated biography introduces readers to Jackie Robinson, the first African American to play Major League Baseball for the Brooklyn Dodgers. Featuring lively images and inspirational text in conjunction with a helpful glossary, index, and timeline of Robinson's life, this title will engage readers as they read about Jackie's life as a college athlete, his start in the Negro League, his stand against segregation, and how he became the first person to ever get named Rookie of the Year.