Apuntes de matemáticas

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

The American Civil Rights Movement of the 1950s and 1960s marked a shift in how African Americans were treated in the United States. This volume highlights the important events and figures that made this movement successful. The book introduces readers to important activists who fought for civil rights by raising their voices and refusing to accept unfair laws. Photographs and primary sources provide readers with a firsthand look at the history of the movement. Finally, readers will learn what can still be done to further equality for African Americans in the United States and how they can be ...

Posing questions which range from the most unusual matters to the most elementary ones, Questions that make your hair stand on end 2 focuses on the Earth and the Sun. Readers will be able to entertain themselves with very illustrative experiments and will also get to know what is so special about the Eiffel Tower, who Diogenes was, why Magellan lost a day on his way, why we get goose bumps, how can temperature be measured with a cricket, among other curious facts. In addition to the recognition of critics and readers, Questions that Make Your Hair Stand on End 2 was awarded the Premio...

“En el año 2013, la Comunidad Europea elabora el ``Marco Común Europeo de Competencias Digitales’’, o DigComp, que recoge las capacidades o habilidades que todo ciudadano debe tener en el ámbito digital para desarrollarse social y profesionalmente de una manera competente. Y, posteriormente, se desarrolla el ``Marco Común Europeo de Competencias Digitales Docentes’’, o DigCompEdu, centrado en el docente. Son documentos en continua evolución y que, basándose en ellos, permite a las instituciones elaborar criterios de evaluación y certificación de competencias. Las áreas en...