Los planetas (The Planets)

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

Books babies can really sink their gums into! Now in bilingual English and Spanish! INDESTRUCTIBLES are built for the way babies "read": with their hands and mouths. INDESTRUCTIBLES won't rip or tear and are 100% washable. They're made for baby to hold, grab, chew, pull, and bend. What green vegetable looks like a tree? Broccoli! Can you find a fruit that's small and yellow? Lemon! Can you pick out two berries so red and sweet? Raspberry and strawberry! Explore a rainbow of delicious foods in a book that's INDESTRUCTIBLE. INDESTRUCTIBLES are printed on lightweight, nontoxic paper material,...

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

“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...