Cómo funcionan las ruedas y los ejes

From Basic Information About Air Pressure To Cloud Formations, This Book Goes On To Explain Violent Weather Conditions And How To Prepare For Them. Also Talks About The Earth's Changing Weather Patterns And Climates And What Role We Play In Those Changes.

Con un cartón, tijeras, pinturas, pegamento y otros materiales, los ilustradores crean dos narraciones visuales en las cuales forman figuras geométricas, personas, animales y otros bichos. A partir de estas imágenes, el pequeño creará sus propias historias y ejercitará la psicomotricidad fina.

Our world is filled with lots of stories. And, some of the greatest stories are the ones that are captured on film! But, how well do we know the people who bring these films to life? Take a behind-the-scenes look at some of today's leading filmmakers and their journeys to success. These filmmakers work hard to include a variety of voices in their films. Learn about Hollywood's finest storytellers while learning how to add and subtract mixed numbers! This Spanish nonfiction book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.