Un rayito de luz para cada día

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

Imagination destroys any and every physical limitation the body has in a fanciful, whimsically illustrated exploration.

Leonard B. Meyer explica en este libro como funcionan los mecanismos de la mente para percibir y entender la musica. Sus paginas constituyen un lucido estudio de la psicologia de la percepcion musical que ha sido profusamente citado por musicologos, compositores y filosofos desde su primera edicion de 1956. Entre sus admiradores figuran Umberto Eco y Enrico Fubini, cuyos comentarios aparecen recogidos en el amplio prologo escrito por el prestigioso compositor Jose Luis Turina, autor tambien de la traduccion. &la" El objeto principal de este ensayo --senala Turina-- es doble: de un lado,...