La clave de Einstein

Un Jacobo adulto intercala reflexiones sobre su vida adolescente, sintiendo que de alguna manera traicionó a Violeta años atrás. Le prometió volver y nunca lo hizo. Es más, la olvidó por completo cuanto tanto le debía. Cuando sus padres se divorciaron, sintió el fracaso como propio y no pudo superar su derrota, por lo que decidió que no merecía la pena vivir. Tras un intento autolítico y pasar unos meses ingresado en el hospital, su médico le recomendó vivir una temporada en un lugar tranquilo: Caxaelecha, un pueblo del norte de España. Un día, buscando el sitio idóneo en los...

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!

Life In America's First Settlements Was Dangerous. Wars Between Colonies, Native Tribes, Disease, And Food Shortages Made Survival A Challenge. Features Primary Sources, Historical Images, Chart, And Maps. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards

Rain, sunshine, warm fronts, and cold fronts. Have you ever listened to a weather report? Knowing the weather can help us plan ahead. But reporters aren’t the only ones who can track weather. You can, too! This nonfiction Spanish book explores the subject of meteorology in depth, and introduces students to important scientific concepts and vocabulary like anemometer, barometer, air pressure, warm front, cold front, rain gauge, probability, Celsius, Fahrenheit, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and...