Incremento de la energía

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

Explains The Early History Of How The Bill Of Rights Came To Be And How It Is Used To Protect Citizens.

Este apasionante estudio de Maurizio Viroli, que reivindica al tan vapuleado Nicolas Maquiavelo (1469-1527) como uno de los mas inteligentes historiadores y pensadores politicos de todos los tiempos, es el mejor portico de la nueva coleccion Tiempo de Memoria, en su vertiente de Historia. Fundador de la moderna teoria politica, astuto diplomatico al servicio de su Florencia natal y desapasionado observador de los asuntos humanos, Nicolas Maquiavelo ha dado su nombre a una forma de hacer politica. Se le ha asimilado a la figura de un defensor a ultranza de la idea segun la cual el fin...

Nature is not always kind. Natural disasters like earthquakes and storms can wipe out cities. Entire cultures and their histories are at risk of being lost. When disaster strikes, some people work to save cultural items. They preserve culture for the future! Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for...

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

The London Eye opened on March 9, 2000. Although it hasn't been there long, the London Eye has already become an iconic symbol of London. No trip to London is complete without a visit to the London Eye! Learn about the history and creation of Europe's tallest observation wheel as you build your arithmetic skills! This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of ...