España, ayer y hoy + CD-ROM

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.

Este libro contiene 90 entrena-mentes, actividades diseñadas para mejorar el funcionamiento de tu cerebro: ejercicios de memoria, juegos de palabras, problemas numéricos, retos visuales, códigos secretos, variantes divertidas del sudoku...

"En el bosque, debajo de la tierra, a través de las nubes o las flores, surcando los ríos o los mares o bajando los montes, se escucha un poderoso rumor; son las criaturas que habitan el universo y cuya presencia se siente a medida que se avanza entre las estrofas de este poema hasta convertirse en un rugido incontenible."--P. [4] of cover.

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...