La Carta de Derechos (The Bill of Rights)

Presents a collection of poetry and lullabies by a number of Colombian authors and poets including Jose Silva and Eduardo Castillo.

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

Para ser chef, necesitas tener un gran paladar, habilidades con el cuchillo y ¿habilidades científicas? ¡Es cierto, cocinar requiere más "ciencia" de lo que piensas! Conozca las innovaciones y la tecnología detrás de una excelente cocina con este libro informativo. Creado en colaboración con la Institución Smithsonian, este libro de STEAM despertará la curiosidad sobre los temas de STEAM a través de ejemplos del mundo real. Presenta un desafío STEAM práctico que es perfecto para espacios de creación y que guía a los estudiantes paso a paso a través del proceso de diseño de...

There are one, two, three, four, five dogs to walk. But there is only one dog walker. Collect data on dogs, their leashes, and their names! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning how to collect data easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...