California en el siglo XX (California in the 20th Century)

Una cosa es ir a un museo a ver los cuadros, y otra muy distinta caerte en ellos. Eso es lo que pasa cuando el tío Utopía lleva a Guille y sus compañeros al Museo Thyssen con un invento suyo: las CuadroGafas 5D. De pronto se encuentran dentro del mundo fantástico que los pintores imaginaron.

Describes what the different track events are, how to warm up for a track meet, and how to compete in a track meet.

What causes sound? How does sound travel? Sound begins when matter vibrates. Without this vibration sound could not move and nothing would make any noise. Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments that will appeal to readers of all ages.

When we look up at the night sky you can see millions of stars, but what do you think we could see in space if we left Earth? If we could hop into a special ship and blast off, traveling billions of miles away from Earth, we’d see the Milky Way galaxy. In this book, readers take an incredible journey through that galaxy, exploring the universe and learning how it was formed and what will one day happen to these enormous groups of stars. From mysterious dark matter to the black holes at the center of galaxies, readers will also dive into the mysteries of the universe scientists have spent...