Mezclas y soluciones (Mixtures and Solutions)

Una pintoresca y entretenida introducción que explica las costumbres y razones del culto católico. Visual e informativo, Lo que se puede ver dentro de una iglesia católica contiene ilustraciones a toda página y concisas descripciones de lo que ocurre, los objetos que se utilizan, el clero y las personas laicas que desempeñan funciones específicas, y el propósito espiritual de los creyentes. Ideal tanto para niños como para maestros, bibliotecarios, clérigos, líderes laicos y padres que desean desmitificar las celebraciones y ceremonias de la iglesia durante el año, así como...

Ofrece una explicación de las soluciones y mezclas y en qué se diferencian, así como ejemplos de mezclas y soluciones.

The United States has many places to live. People choose to live in small towns and big cities. Why do people live where they do? With examples from both the past and present, this Spanish book teaches beginning readers about the history of immigration to the United States and the factors that influence where people live. Dynamic images in conjunction with Spanish text provides first grade students with an inviting learning experience as they build their reading skills and knowledge of US history.

"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...