Mi Biblia Legado

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

La industria aeroespacial es la segunda actividad más normada luego de las activi- dades nucleares; está regida por infinidad de normas, reglamentaciones, directivas, documentación específica y todo tipo de manuales de referencia obligatoria. La gran mayoría llega a manos de usuarios, operadores, talleristas, etc. en idioma in- glés, el idioma de uso aeronáutico por naturaleza. A ello se suma el hecho de que la industria aeronáutica no está aislada de las actividades humanas, sino que inte- ractúa, se nutre y hace su aporte a ellas creando la necesidad de un sólido...

GRADES K–2: Bring Spanish into the classroom! Introduce early elementary students to the topic of sound waves with this science-themed Spanish title. FEATURES: Kids will learn about how we send and recieve sound waves and complete an activity that supports further comprehension. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. WHY MY PHYSICAL SCIENCE LIBRARY: This collection introduces a variety of science topics while presenting complicated information in easy-to-understand language and...

A simple biography of the man who worked to win fairer treatment of the migrant farm workers in California in the 1960s and to establish the United Farm Workers union.