Universo

Insectos 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.

Learn about the Earth and the Moon with this engaging Spanish science reader. With easy-to-read text, this book teaches students important scientific concepts and vocabulary including the phases of the Moon, the movement of the Earth around the sun, and the rotation of the Earth. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, bold font, and detailed images to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical thinking skills.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

In the 1800s, a Choctaw girl becomes friends with a slave boy from a plantation across the great river, and when she learns that his family is in trouble, she helps them cross to freedom.

Hace diecisiete años surgió la idea de crear el primer banco de alimentos en Chile. La motivación era una: evitar la destrucción de bienes que pueden ser usados o consumidos por personas que los necesitan. Pero el camino para lograrlo estuvo lleno de obstáculos, desde una ley que no daba cabida a la donación de alimentos, hasta una sociedad que cerraba los ojos ante el hambre de miles de personas. Hizo falta mucho esfuerzo, dedicación y el compromiso de un grupo de personas que no descansaron ante la convicción de que nada sobra, y que el sueño de acabar con el hambre en Chile es un...