Harriet Tubman

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter 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.

Act out the story of two cousins, the town mouse and the country mouse in this Spanish-translated script. When the country mouse visits the town mouse, the two get into all sorts of trouble. The mice just want to feast on a family's leftovers, but a hungry dog and cat find them and start to chase them around. Before long, the country mouse wants to go back to his peaceful home in the country and learns that there really is no place like home! The six roles in this script match different reading levels, enabling teachers to use differentiation strategies in their instruction. These strategies...

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.

There are thousands of species of bees, and not all are yellow and black. However, the telltale yellow and black of the honeybee and bumblebee are the best known. Beginning readers explore the world of bees and find out what keeps them busy all day. From flying from flower to flower to making honey, the details in this book are both familiar and new to curious future entomologists. Full-color detailed photographs complement the low-ATOS text, making it the perfect addition to any early elementary library or classroom.

Read about the kinds of jobs that people do as engineers, and how they use math, science, and creative thinking to solve problems.

El bailarín de freestyle Tomás Benítez les cuenta todos sus secretos a sus miles de seguidores. ¡Ey! ¡Hola! Bienvenid@ a mi libro. Quiero contarte mi historia, cómo fue que encontré lo que me apasiona. Sí, ya sabés. Bailar es lo que más me gusta en la vida. Cuando muevo mi cuerpo me siento libre. ¿Se nota? Quiero compartir con vos momentos muy fuertes que viví, experiencias que me marcaron (de las lindas y de las otras) y todo eso que me llevó a descubrir el freestyle. No creas que el camino es fácil. Y todavía tengo mucho por aprender. Pero si hay algo que tengo muy claro es...

El carácter de Kolmogórov se forjó en una época de revoluciones sociales y guerras mundiales. Vivió el estalinismo, la posterior rectificación de errores y el inmovilismo que luego daría paso a la perestroika. Aunque siempre se consideró a sí mismo un matemático puro, una parte esencial de su obra fueron sus investigaciones aplicadas a otras ciencias. Sus esfuerzos estaban regidos por una idea clara - discernir las diferencias y similitudes entre orden y caos. Mucho más que cualquier otro matemático, amplió los dominios y la comprensión humana del azar. Reinó en una escuela...