Con la energía del Sol ebook

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

Looking at POLAND: Did you know that more horses are raised in Poland than in any other European country? Looking at Poland, you will see the steep slopes of the Carpathian Mountains, the patchwork farmland of the central plains, and the crystal-clear lakes that dot the north. Learn about life in Poland, from shipyards to salt mines and from cottages to castles.

Primer volumen de la compilación de la correspondencia del autor de Rayuela . Unas cartas que pueden leerse como diario personal, autobiografía o cuaderno de bitácora de sus libros. «Odio las cartas literarias , cuidadosamente preparadas, copiadas y vueltas a copiar; yo me siento a la máquina y dejo correr el vasto río de los pensamientos y los afectos», escribió Julio Cortázar en 1942: una declaración de principios que mantuvo siempre. Con curiosidad permanente, Cortázar da cuenta de todos los aspectos de su actividad como escritor, de sus desvelos políticos y sus vaivenes...

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

"Datos fascinantes, ilustraciones divertidas y explicaciones claras y sencillas, ayudarán a los niños a entender el maravilloso mundo de los litorales"--Back cover.