La represa de Itaipú

Describes how the rig was built, how it stands out in the water, and how much drilling it does in a day.

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...

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Algunos de los t tulos recogidos en este volumen: "R quiem por Yarini", "Santa Camila de la Habana Vieja", "Recuerdos de Tulipa", "Mar a Antonia". Obras que suman una diversidad de tem ticas, tendencias, lenguajes y estilos en los que cabe medir la ambici n con que se ponen los conocimientos de la moderna dramaturgia cubana.

Cuando los israelitas comenzaron a desobedecer a Dios, Él no estaba complacido. ¿Por qué no podían, simplemente, obedecer Sus instrucciones en vez de adorar a dioses falsos? Decidió castigar a los israelitas enviando a los temibles filisteos para que los oprimieran. Pero Dios todavía amaba al pueblo de Israel, y tenían un plan para salvarlo: uno que incluía a un niño llamado Sansón, quien crecería para convertirse en un poderoso guerrero y ayudaría a salvar a los israelitas de los filisteos. Con muchas coloridas ilustraciones y verdades bíblicas, Sansón, el guerrero poderoso es...