La luz y sus efectos (Light and Its Effects)

Learn all about the law of conservation of mass with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new concepts and vocabulary terms with this nonfiction book that explores the law of conservation of mass in detail. Aligned to state and national standards, this leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity encourages students to think like scientists. Keep students engaged in learning with this Spanish book.

Hoy en día uno de los pilares del desarrollo de páginas web es la interacción con los usuarios que utilizan dichas páginas. Los errores en la introducción de datos pueden tener lugar sin mala intención pero también con un interés malicioso, y es ahí donde surge el interés por realizar una fase de validación. En este libro aprenderemos a aplicar técnicas de prueba y verificación de la integración de los componentes en la página web y veremos cómo identificar las fases que intervienen en este proceso, clasificando los distintos tipos de archivos que se van a integrar en la...

Christopher Columbus most likely wasn’t the person to discover the Americas. He wasn’t even the first European to do so! Despite that, his three trips to the Western Hemisphere led to many more European explorers heading in that direction. In this volume, readers familiar with Columbus’s travels on the Nina, Pinta, and Santa Maria can learn who Columbus was beyond his travels. Supported by full-color and historic images, interesting main content turns what readers think they know about the life of Columbus on its head while expounding on an important period in the history of the world.

Los temas del libro responden a la programación de la Conferencia Episcopal Española para el curso 1o de la DECA, título necesario para dar las clases de religión católica en la enseñanza primaria y secundaria.

The Hindenburg, the largest airship ever built and the pride of Nazi Germany, burst into flames over Lakehurst, New Jersey, in 1937. It swiftly fell from the sky and was incinerated. This incident is remembered as the most infamous airship accident, killing 36 people and sinking the dirigible transportation industry. Fascinated readers will explore why and how this giant hydrogen-filled ship was made and the reasons it may have been doomed to fail. They'll also learn conspiracy theories and surprising facts about the circumstances of the terrible disaster. Authentic photographs and thoughtful ...