El Pacto Del Mayflower /

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Young children are natural problem-solvers and always looking for answers, especially when it involves interesting animals. This Spanish-language edition of Fast and Flightless provides young curious readers with striking visual clues and simply written hints. Using the photos and text, readers rely on visual literacy skills, reading, and reasoning as they solve the animal mystery. Clearly written facts give readers a deeper understanding of how the animal lives. Additional text features, including a glossary and an index, help students locate information and learn new words.

Presents a line-by-line explanation of the entire United States Constitution, in English and Spanish. Provides a Spanish translation of the Constitution, historical context and student exercises that approximate the decisions made by the Constitution's authors. Written at the fifth grade level.

Simple text and illustrations introduce children to number concepts and teach them how to identify numbers.

¡Descubre los secretos de la ciencia con «Futuros Genios»! ¿Sabes qué son los virus, dónde viven y cómo? ¿Sabes por qué a veces es tan complicado luchar contra ellos? ¿Y sabes cómo se hacen las vacunas? Acompaña a Valentina y a la vaquita Pasteur en una nueva aventura ¡y lo aprenderás todo sobre los virus y las vacunas! «Futuros Genios» es una colección pensada para compartir un momento de lectura y aprendizaje en familia. A través de ilustraciones sencillas y divertidas, Carlos Pazos, divulgador científico conocido por su blog Mola Saber, explica las nociones básicas de...