Con la energía del Sol ebook

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

¡Descubre el mundo antiguo con las aventuras de los Tempo, la familia más alocada de todos los tiempos! ¿Sabías que... En el Circo Máximo cabían más espectadores que en un estadio de fútbol? La mascota favorita de Julio César era una jirafa? En la Antigua Roma llegó a estar prohibido llevar pantalones? ¡Descubre el mundo antiguo con LOS TEMPO, la familia más alocada y aventurera de todos los tiempos! INCLUYE: - Pasatiempos - Cómics - Bastantes romanos - Algunos leones - Mucho, mucho humor

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...

Aura is a Roman girl who has accepted the teachings of Christianity. She adopts Christian orphans in order to protect them from persecution by the evil emperor Nero. In the face of danger, however, Aura is forced to choose between martyrdom and publicly renouncing her beliefs. Text copyright 2004 Lectorum Publications, Inc.

Amphibians can be found all over the world. There are more than 7,500 kinds of amphibians living in streams, rainforests, deserts, and everywhere in between. Many of them are in danger due to a deadly fungus, but help is on the way! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in ...