Cómo podemos utilizar el tornillo?

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

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.

Imagine getting ready for bed when the sun is still shining, or eating lunch when it’s dark outside. How are such things possible? Learn how people in places such as Alaska, Norway, Iceland, Sweden, and Canada cope with days and days of sunlight and darkness. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career...

Este libro infantil, en forma de divertido cuento protagonizado por un extraterrestre, explica a los más pequeños la historia de un club de fútbol y el sentimiento de una afición: la del Atlético de Madrid. Escrita por Juan Luis Cano, recorre los éxitos, las ilusiones, los trofeos y el orgullo del club colchonero.

Describes the history, language, social classes, customs, culture, religion, and warfare of the ancient Central American civilization of the Mayas.

Teach young students about the men and women who serve in the armed forces for the United States. This Spanish-translated nonfiction book helps readers understand the importance of our nation's veterans, and how to honor them on Veteran's Day. Primary source documents and images engage readers as they build their literacy skills and social studies content knowledge.