La naturaleza de la materia (The Nature of Matter)

In this biographical book, young readers will learn about the brave life of Harriet Tubman. Readers will discover how Tubman bravely escaped from her life as a slave to cross the Mason-Dixon line into freedom and how she helped hundreds of other slaves into freedom through the Underground Railroad with the help of abolitionists. The vivid images, stunning facts, and supportive text work in conjunction with the helpful glossary, index, and timeline of Tubman's life to give readers an engaging experience as they move from cover to cover. This book has been translated into Spanish.

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

A force is a push, a pull, or a turn. Every force has an equal and opposite force. Forces are always with you! They are all around us. Learn about forces with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. 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 makerspace activities. It ...

Un cuento acerca de un conejo que describe las situaciones en que siente celos. Incluye una ficha para los padres. Un libro para enseñar a superar esos malos sentimientos: los celos.

This book introduces the reader to the nighttime world of the opossum, including its habitat, activities, diet, and the unique things that it does.

Que tienen Adan y Jesucristo en comun? Que tienen Eva y la virgen Maria en comun? Mas de lo que te imaginas! Por medio de las mas impactantes ilustraciones, a todo color, Maura Roan McKeegan ha logrado que la topologia biblica para ninos cobre vida. Al tomar dos historias biblicas sumamente familiares, una del Antiguo Testamento y la otra del Nuevo Testamento, esta obra permite que los ninos puedan ver como las figuras, o tipos, biblicos emergen de las paginas de las sagradas escrituras para, de esta manera, configurar lo que los teologos llaman la topologia biblica. La topologia biblica se...