Valores sociales

Examines the nature of human rights, including the gradual development of the idea that all people, regardless of gender, color, or wealth, are citizens with rights, not just subjects with duties, and discusses the growth of social rights and the case against torture.

José María de Mena, cordobés de nacimiento, es Doctor en Filosofía y Letras, especializado en Historia, Licenciado en Ciencias de la Información y Diplomado en Teología. Desde 1946 ha desarrollado su intensa labor docente (en Sevilla y Bogotá), su labor periodística de divulgación de temas históricos (en ABC, Diario Madrid, Diario Da Manha de Lisboa y El Siglo de Bogotá) y su inmensa tarea editorial de divulgación de temas históricos de las ciudades de Sevilla, Córdoba, Barcelona, Madrid y de la historia de España a través de de treinta y ocho libros sobre asuntos de interés...

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.

Tells the story of Mexico during the reign of Maximiliano and Carlota, the French Prince and Princess who were offered rule over Mexico from Napoleon III while Juárez was battling for the Mexican republic. Illustrated with reproductions from historical archives.

Electricity affects every part of our lives, but we don't always think about it. We turn the lights on every day without wondering how the electricity gets there. Electricians are the reason we don't always have to worry that the lights are going to stop working and the people we can help if they do. Electricians don't just have to use their intelligence, they also have to be good with their hands. They have to be able to work with many different people and know what to do in case of an electrical emergency. Electricians keep our world running. Instructive, colorful photographs and diagrams...