Ondas sonoras y la comunicación (Sound Waves and Communication)

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

The Hindenburg, the largest airship ever built and the pride of Nazi Germany, burst into flames over Lakehurst, New Jersey, in 1937. It swiftly fell from the sky and was incinerated. This incident is remembered as the most infamous airship accident, killing 36 people and sinking the dirigible transportation industry. Fascinated readers will explore why and how this giant hydrogen-filled ship was made and the reasons it may have been doomed to fail. They'll also learn conspiracy theories and surprising facts about the circumstances of the terrible disaster. Authentic photographs and thoughtful ...

Samuel Temkin es Catedrático Emérito de Rutgers University en Nueva Jersey, Estados Unidos. Reconocido internacionalmente por sus investigaciones y libros en el campo de la Acústica, el doctor Temkin se ha dedicado en los últimos años a la historia del Nuevo Reino de León, de la cual ha publicado varios artículos de investigación y dos libros, el último sobre Gaspar Castaño de Sosa.

Jane Goodall had a passion to learn about animals. Readers will learn all about her adventurous life among chimpanzees and other primates in this inspiring, Spanish-translated nonfiction biographical title. Children will be fascinated by the vibrant images, stimulating facts, and accessible glossary that will assist in vocabulary improvement. This 6-Pack includes six copies of this title and a lesson plan.