Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

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. Theyll 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. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!

Conecta con Pupi es el nuevo proyecto de Ediciones SM para el Primer Ciclo de Educación Primaria.Conectar con Pupi supone: *Entrar en una nueva y clave etapa educativa. *Desarrollar las competencias básicas. *Reflexionar sobre lo que se aprende y cómo se aprende. *Iniciarse en el trabajo colaborativo. *Utilizar las tecnologías de la información.Todo un reto, una apasionante aventura que será más amena y divertida de la mano de Pupi y los nuevos personajes. Las claves del proyecto son:Competencial. Aprender para la vida a partir de cuestiones de interés para encontrar soluciones...

Get to know the bright and devoted boxer from the tip of its wet nose to the end of its wagging tail! Young readers will love the simple, easy-to-read text and beautiful full-bleed photographs. Complete with a More Facts section and bolded glossary terms. Aligned to Common Core Standards and correlated to state standards. Abdo Kids is a division of ABDO. Translated by native Spanish speakers--and immersion school educators. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO.

Describes jet-powered hydroplane boats, including information on their design and speed. Written in English and Spanish.