Cosmos en 3D

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.

The world's myths are filled with characters, creatures, and stories that have fascinated people for thousands of years. This series mixes dramatic retellings and non-fiction information to give a full picture of a culture's myths. This book explores the gods, goddesses, heroes, villains, tricksters, and quests that make African myths and legends so compelling. Fully translated Spanish text.

The reflection that is presented in this book is born of direct contact with schools that have a multicultural public, its dialogue with the faculty and pupils of these schools, and of the queries raised by its research in intercultural education.

La naturaleza no siempre es amable. Los desastres naturales como terremotos y tormentas pueden arrasar ciudades. Culturas enteras y sus historias corren el riesgo de perderse. ¡Cuando ocurre un desastre, los conservadores trabajan para guardar elementos culturales para preservar la cultura para el futuro! Creado en colaboración con la Institución Smithsonian, este libro en español despierta la curiosidad sobre los temas de STEAM a través de ejemplos del mundo real. Cuenta con un desafío STEAM práctico que guía a los estudiantes de inglés a través de cada paso del proceso de diseño...

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.