Cómo cambia el agua (How Water Changes)

This book describes dump trucks called off-highway trucks, explaining their operating equipment and dumping beds, fuel, and jobs.

Estramboticas, locas, delirantes, extravagantes, insolitas...Cuantas preguntas raras que se nos ocurren!Un libro en el que encontraras muchas preguntas acompanadas por su correspondiente respuesta.

La manera de aprender a leer ha cambiado: este libro con pictogramas acompaña al niño en sus primeros pasos en la mayor aventura de todas. ¿Una casa que cabe en un bolsillo? ¿Un niño que es el rey y manda comer obligatoriamente helado? ¿Un perro que se cree que es una gallina? ¿Una vaca pedorra? Aprende a leer mientras te diviertes con estas disparatadas historias. Los pictogramas facilitan la atención, facilitan la relación entre imagen y grafía y motivan a los peques al hacerlo por sí solos.

Ethan is a member of the Named, sworn to fight the Order of Chaos, an evil group determined to permanently change the course of history. But he is also a normal high school student trying desperately to keep up with his homework and fit in. When he is assigned to mentor Isabel, a cute classmate and future member of the Named, the line between his two lives begins to blur.

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...