Rastreo del tiempo (Tracking the Weather)

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this 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...

The London Eye opened on March 9, 2000. Although it hasn't been there long, the London Eye has already become an iconic symbol of London. No trip to London is complete without a visit to the London Eye! Learn about the history and creation of Europe's tallest observation wheel as you build your arithmetic skills! This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of ...

Our toilets toil away for us every day. Yet, they get little thanks for their hard work! When you think of toilets, you probably picture one in your home. But, toilets can be very different around the world. At first glance, a toilet is a simple device, but they are critical for proper sanitation. There are many people worldwide who do not have access to a toilet. Let's dive into an exploration of the history, importance, and inner workings of toilets! This Spanish book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...

Más que un libro de viajes, el presente texto es un libro sobre los viajes, sobre cómo y por qué puede alguien llegar a hacerse etnólogo, y sobre el modo en que se integran las aventuras del explorador y las investigaciones del científico hasta llegar a formar la experiencia propia del etnólogo. El autor trata de analizar estas cuestiones cotejando sus recuerdos y proponiendo un recorrido que no renuncie a los pintorescos detalles, pero que a la vez los sitúe en una perspectiva más amplia.

Escritor, docente y periodista, Silveyra rescata de la propia escuela "semillero de historias y anécdotas" lo mejor del folclore infantil y lo vuelca en estas páginas, colmadas de ingenio y buen humor.

Del autor de su libro de memorias, Hasta Martes. Un guerrero herido y el Golden Retriever que lo salvó, nos llega una historia de amor eterno entre un soldado veterano de guerra y su inseparable amigo, Tuesday. En Español. Todas las mañanas, Tuesday ayuda a Luis a ponerse los zapatos, primero uno y luego el otro. Le recuerda tomarse las medicinas y le acerca el bastón. Pero he aquí lo curioso: Tuesday no es una persona, ¡es un perro de asistencia! Cuando Luis regresó a casa después de la guerra, todo cambió completamente y las cosas más corrientes lo asustaban. Por suerte, tenía a...

Storms are a fascinating topic and a great way to get young readers interested in science. This series uses simple text and dramatic, full-color photos to take students inside nature's powerful and deadly storms. Each book explains one kind of storm- what it looks like, how it forms, the damage it can do, and how people can protect themselves from danger.