El área de tecnología en Secundaria

Poems celebrating the life and work of Cesar Chavez and the Mexican American labor movement in the 20th century. This thoughtful and beautiful biography illuminates not only the events that made up the great labor leader's life, but also the ideals and inspiration that are his legacy.

¿Y si el universo no pesara nada y la materia no existiera realmente? Lo que parecería ser una duda legítima para un erudito místico de los Vedas Indios es, en cambio, un resultado embarazoso de la aplicación de la Relatividad Restringida a las observaciones obtenidas por un grupo de astrofísicos, que han medido la radiación cósmica de fondo de nuestro universo. En los albores del nuevo milenio, el satélite WMAP, más allá de proporcionarnos una medida del cosmos, nunca antes obtenida, ha creado bastantes quebraderos de cabeza respecto al concepto de universo, en el que todavía hoy ...

Reptiles y anfibios 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.

An elegantly illustrated collection of ten favourite Bible stories with an interesting twist. Margaret McAllister imaginatively retells these tales from the point of view of the women involved: Noah's wife, Miriam, Ruth, Mary mother of Jesus, Pilate's wife, Mary Magdalene are among some of the women who put their side of the story forward. A stylish compilation of Bible stories with a difference, this is a perfect gift for girls.