Delfines y Ballenas

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

Una visión clara y amena de la trayectoria de uno de los personajes más fascinantes de la historia de Roma: Julio César. Las lágrimas de Julio César es una palpitante novela que recrea la intensa relación de Julio César con Hispania, tomando como punto de partida su llegada a la península Ibérica en el año 68 a. C. Cónsul, dictador, eficaz estratega e ilustrado gobernante, César alentó sus sueños políticos en la ciudad aliada de Gades, desde la cual se reconstruye la historia del estadista, su destino, sus fantasías, sus victorias, obsesiones y afectos. En Las lágrimas de...

Explore outer space and learn about stars, galaxies, planets, asteroids and how these bodies are all related to one another. Featured in this book are photographs from outer space and related vocabulary.