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.

Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

El Libro del alumno de tercer curso está organizado en dieciocho Unidades didácticas, divididas en dos partes de nueve Unidades cada una, dedicadas, respectivamente, a la Lengua y a la Literatura. Cada Unidad de Lengua consta de veinte páginas distribuidas en las siguientes secciones:Lectura inicial y actividades de comentario del texto, Comunicación y Sociedad, Estudio de la lengua, Taller de técnicas, Ortografía, Actividades de comprobación y Actividades de ampliación. La segunda parte del libro (Unidades 9-18) aborda el estudio de la Literatura. Las dos primeras Unidades (9-10)...

¿Por qué tienes que guardar turno en los columpios?. Descubre cómo los buenos modales hacen del parque un lugar seguro y divertido para todos.

Tita en Pedro willen trouwen. Maar Tita moet voor haar moeder zorgen. Dan trouwt pedro met Tita 's zuster om dichter bij Tita te zijn. Wanneer Tita de bruidstaart maakt, ontdekt ze dat ze over een wel heel bijzondere kookkunst beschikt

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...