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...

Andrés creía que reconocía los números, de hecho creía que lo controlaba todo... hasta que, después de entrar en contacto con una extraña secta, para salvar el pellejo tiene que ampliar su conocimiento sobre los números y distinguir entre lo accesorio (símbolos y palabras) y lo esencial... Nigromantes y castañas serán el puente entre dos culturas aritméticas. Este libro se completa con una guía didáctica y una propuesta de actividades.

GRADES PK–2: This 16-page Spanish title (8’’ x 8’’) introduces early readers to the rhinoceros—what they look like, what they eat, and who rides on their backs! FEATURES: Simple Spanish text and vivid photos present fascinating facts about an amazing African animal. Comprehension questions are included to advance learning. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. BUILD A LIBRARY: Collect every title from the collection to stock your home or classroom library. Reading together...

Este libro propone un viaje alrededor del mundo a través de una serie de historias, contadas en primera persona. Los protagonistas son niños que viven en diferentes países y que ofrecen su peculiar punto de vista sobre ella. Junto a los textos de cada niño se adjuntan fotografías de sus familias, tomadas por el prestigioso fotógrafo Uwe Ommer, donde se pueden aprecian las vestimentas y las costumbres de cada país.

This nonfiction Spanish book teaches students about the earth’s cycles, and introduces them to important scientific concepts and vocabulary terms like combustion, hydrosphere, biosphere, and fossil fuels. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.