La vida en un cubo

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a microscope and learn how to fix it. This nonfiction book is paired...

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell. This 6-Pack includes six copies of this title and a lesson plan.

La idea de escribir este libro surgió al leer una publicación que vi, hace ya un tiempo, en la que se hablaba de historia y se trataba de forma «científica», según el autor de dicha publicación. Este señor venía a decir que en la época del emperador Trajano se construyeron los primeros castillos de España..., la verdad es que me quedé “de piedra”, y sin palabras y casi sin aliento, pensar que un afamado historiador pudiese hacer esas afirmaciones y quedarse tan tranquilo, me dio que pensar en el sinfín de errores históricos que hemos dados por buenos y de los cuales...

This book introduces "none," "most," and "all" and illustrates comparisons using non-specific size words.