Al rescate de los anfibios (Amphibian Rescue) eBook

The Industrial Revolution was one of the most dramatic eras of all time, filled with fascinating people, strange events, and incredible stories. This period of great change comes into sharp focus through each spread with detailed, accessible language. Each fact is complemented with vivid, carefully-chosen historical images and illustrations, and a caption that adds just a touch more history. Readers are drawn deep into the facts not covered in history textbooks, like working conditions, inventions, failures, and characters, to make this important history lesson fun and engaging.

Los criterios informadores que han atendido los autores de esta obra son: servir de soporte didactico y pedagogico basico, enfocar las unidades didacticas desde una perspectiva teorico-practica de aprendizaje del tecnico y complementar los contenidos conceptuales de cada una de las unidades didacticas con actividades teorico-practicas que faciliten el aprendizaje de las mismas.

Why do some things heat up quickly while others don't? How can heat cause matter to change form from solid to liquid to gas and back again? Heat cannot be seen, but it can easily be felt. Looking at different objects' molecular makeup, this book describes the fundamentals of heat and furthers understanding through a series of easy experiments.

Learn about the process of electing government leaders! This Spanish nonfiction book explains how elections work and ways for individuals to stay involved in government. The book also includes a related fiction piece, a glossary, an extension activity, and other helpful features. Perfect for young readers, this book will show students how to be informed citizens when it comes to elections and campaigns. This 32-page full-color Spanish book describes the presidential election process with examples from United States history. It also explores essential topics such as leadership and civic duty...