El Pacto Del Mayflower /

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

Learn how ornithologists are using modern technology to help migratory birds. Created in collaboration with the Smithsonian Institution, this Spanish Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, this Spanish book features a hands-on STEAM challenge that is perfect for use in a makerspace and teaches students every step of the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Discover...

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Jóvenes guerreros, chicas enamoradizas, estudiantes de instituto... Con CÓMO DIBUJAR ANIME ahora es posible aprender cómo diseñar y dibujar tus propios personajes para una serie de animación.

Destacada dramaturga tremendamente crítica con la hipocresía de su sociedad, destapó y retrató la tipología de la mujer sureña norteamericana a través de sus obras. Valiente, enigmática y conflictiva, su compromiso ideológico la llevó a defender y apoyar causas políticas como la Guerra Civil Española o a criticar ferozmente la “caza de brujas” de McCarthy.