Cómo Descubrió El Hombre Que El Planeta Se Está Calentando

Ecos, tímpanos, vibraciones y volumen. Vívidas ilustraciones y textos sencillosexploran la asombrosa ciencia del sonido. Cada libro tiene un glosario, actividades prácticas y fascinantes datos curiosos.

Have you ever seen a skyscraper that is shaped like an elephant? How about one that looks like waves? Students will learn how to measure area while engaged in reading about the world's coolest skyscrapers! This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

From Mexico to the tip of South America, Latin America features varied scenery, including deserts, grasslands, plains, and mountains. Some are extreme: The Andes is the world's longest mountain range, and the Atacama Desert has not had rain for over 400 years! Latin America's remarkable landscape is an essential factor in its surprisingly different climatic zones. This insightful volume offers a comprehensive tour of the many vibrant countries of this fascinating region, highlighting its most striking areas in vivid photographs. It is also an inviting exploration of geography, natural...

Esta selecci n de versos del poeta tapat o Ricardo Y ez pretende llevar a los ni os a aprender la poes a en su m nima expresi n. Cada doble p gina compone un par de versos con una imagen de gran fuerza po tica hecha mediante un collage Para ofrecernos una met fora de los versos en un estilo impresionista. Letra y color se amalgaman en una propuesta po tica pensada Para ni os y todos aquellos que se inician en la poes a.