Experimentos con la luz

From war and death to school and gender equality, the Sociedad series discusses many serious issues in a way that can be easily understood by children. Although many of the situations and examples are specific to Mexico, these books can be applied to a general readership, particularly one of Hispanic origin. Reflecting on modern sciences, particularly biotechnology—from its limitations to its advances—this perceptive study answers many questions concerning cloning and genetically modified organisms, such as Why do scientists work in these arenas? What are the benefits of this technology?...

La Evaluación en la Educación Física se ha convertido en un elemento básico dentro del programa de actuación del profesor. Este libro no es un manual de un programa informático, sino que le introduce en una nueva forma de evaluar, explicando, con todo detalle, todo el proceso y ayudándole a realizar otras funciones de control en la evaluación. Con un mínimo conocimiento de Windows, y en sólo 5 minutos, podrá comenzar la evaluación informatizada de un grupo de alumnos. Además, podrá registrar cómodamente la mejora de cada alumno incorporando un coeficiente de progresión y...

Discover Dinosaurs Spanish Edition. Dinosaurs were reptiles that lived millions of years ago. It was a long time before there were any people on the earth. Scientists have looked at dinosaur bones and found out many things about what they were like. Nobody knows why the dinosaurs disappeared. People have made pictures to show what they might have looked like. What do we know about dinosaurs?

Students Will Learn The Election Process From Beginning To End With This Wonderful Title. From What A Candidate Is, To Where And When People Vote, And How And Why The Election Process Is So Important In Our Country.