El Antiguo Egipto

Introduces the concept of heat, how it's created, how it affects materials around it, and how heat is used.

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...

Este libro está basado en hechos reales. Es la historia de Guillermo Martí, Manoli Oliver y su pequeño hijo de dos años, Guillermito. Una pareja que en aras de la ilusión fueron capaces de desamarrar su vida para vivir su sueño, e izando en su barco el velamen del amor, zarparon del club náutico de La Ràpita (Mallorca) prestos a dar la vuelta al Mundo con el Gipsy, un velero de 36 pies (10.76 m). Está escrito bajo el punto de vista de una mujer, una chica joven que apenas había navegado más allá de los paseos domingueros. Ella, con su peculiar lenguaje, nos relata en un tono...

Exploración espacial is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.