Mercados del mundo (World Markets) 6-Pack

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Young readers are introduced to the many changes children experience in their early years. The simple text takes readers on a journey from the day a child is born through the first six years of life.

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...

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...