La naturaleza de la materia (The Nature of Matter)

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.

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.

Tara and her friends go to a street fair. Build early literacy skills, and develop oral and written language skills in emerging Spanish readers with this leveled fiction reader.

En este libro, entre otras muchas cosas, encontrará: - Los monstruos en la historia: adorados como dioses y temidos como diablos. - Joseph Merrick: la increíble vida del "Hombre Elefante". - Hombres-lobo: los verdaderos licántropos. - Enigma y realidad de los gigantes. - Cuando los "monstruos humanos" se exhibían en las ferias. - Hermanos siameses, parásitos y fetus in fetu. - Cíclopes, sirénidos y otras anomalías a la luz de la ciencia. - Seres extraordinarios que alcanzaron la celebridad. - Documentos y fotografías impactantes.

Defender la Luz Mientras el mundo occidental caía en la oscuridad, ella se atrevió a defender la luz. Hipatia de Alejandría, nacida en el año 355, tras el reinado de Constantino, vivió en un Imperio Romano que se derrumbaba, un mundo en el que la obediencia a las autoridades religiosas triunfaba sobre la ciencia, en el que la razón y la lógica amenazaban el nuevo orden mundial. Era un mundo al borde de la Edad Media, un mundo que decidía la cuestión de la ciencia versus la religión, la libertad versus la ortodoxia, la tolerancia versus el odio. Durante más de 40 años, Hipatia se...

Guatemala is an important neighbor to the United States. Readers will discover how Guatemala and the US are alike and how they differ as they read about the land and people, animals and celebrations. Hello, neighbor!