La naturaleza de la materia (The Nature of Matter)

Read Along or Enhanced eBook: Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

¿Lo pensaste alguna vez? son reflexiones vinculadas a la vida, a las relaciones humanas, a la fe, a los valores, bajo la modalidad de "Frases de Estado" de WhatsApp, Instagram y Facebook. Ninguna supera las 100 palabras. Su finalidad es encontrar un espacio breve de reflexión cotidiana, que nos incentive a remitirnos a la lectura de otros textos más importantes y valiosos de autores clásicos y también, porque no, sirvan como impulso a salir al encuentro de lo espiritual. Son además un excelente recurso educativo propio del nuevo género literario de la microficción.

So you think you're a martial arts master, but do you know the difference between kung fu, kendo, and karate? Students will learn about various martial arts as they practice comparing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving...

A 2014 survey by the Substance Abuse and Mental Health Services Administration showed that 8.7 million youths ages twelve to twenty reported drinking alcohol beyond “just a few sips” in the previous month. Those who start drinking before age fifteen are five times more likely to become dependent on alcohol than those who begin at twenty-one. This resource shows young people how to help a friend who is abusing alcohol. It arms them with facts about alcohol, how it affects the teen mind and body, how to look for signs of a problem, and how to bring others on board to help.

Daniel es un luthier judío de Cracovia que sobrevive en el infierno del campo de exterminio de Auschwitz trabajando de carpintero. Sus condiciones de vida son infrahumanas, y los abusos, los castigos y la muerte son compañeros habituales de los reclusos como él. Pero a raíz de un accidentado concierto, el comandante del campo, Sauckel, que es aficionado a la música clásica, descubre el verdadero oficio de Daniel y decide ponerlo a prueba: tendrá que construir un violín que tenga un sonido perfecto. Daniel se pone manos a la obra, sabedor de que la gran pasión de su vida es ahora...