El magnetismo (Magnetism)

The US president is the face of the United States to the rest of the world. However, he or she doesn’t have unlimited power within the country. The president has certain powers given by the Constitution, including the ability to make treaties, appoint some important government officials, and veto laws. Readers learn the many duties of the president in simple, clear language appropriate for both younger readers and older readers looking for a succinct review of the topic. Fact boxes supplement the main content with important details about checks and balances, amendments, and more that affect...

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.

El conocimiento de la espiritualidad oriental y de las formas más arcaicas de enfrentamiento humano con lo sagrado, que ha permitido ampliar considerablemente el campo de investigación de las religiones comparadas, debe a Mircea Eliade contribuciones fundamentales. " El mito del eterno retorno " es una original introducción a la Filosofía de la Historia cuyo objeto de estudio son los mitos y creencias de las sociedades tradicionales, movidas por la nostalgia del regreso a los orígenes y rebeldes contra el tiempo concreto. Las categorías en que se expresa esa negación de la historia son ...

Labelled illustrations supply the English and Spanish words for the parts of the body. On board pages.

From hermit crabs that make a home out of anything they can find to tiny termites that build tall towers, animals of all kinds are architects! In this engaging, Spanish-translated nonfiction title, elementary children will learn about these amazing animal architects and the things they build for habitation and camouflage through vivid images, stimulating facts, informational text, a helpful glossary, and a reference list of useful websites. This 6-Pack includes six copies of this title and a lesson plan.

Este libro forma parte de una serie de textos destinados a ofrecer una presentación básica de las ideas fundamentales de las ciencias naturales. Han sido escritos en un lenguaje claro y abordan los hechos esenciales acerca de cada tema, incluyendo excelentes fotografías que dan a conocer interesantes detalles del tema tratado. Además cuentan con un vocabulario básico que será de gran utilidad para los lectores infantiles. En este texto dedicado al arce, se ilustra el proceso de crecimiento y desarrollo de los vegetales con imágenes en primer plano que contribuyen a facilitar la...