El dinero y el comercio en nuestro mundo: Read-Along eBook

A guide to some of the most extraordinary places, objects and sights in the cosmos, from the amazing worlds of our olar system to distant galaxies and glowing nebulae--and almost everything in between. Includes 100 objects from throughout the universe, arranged from closest to our planet to farthest away. Discover the best-kept secrets of space.

A digital solution for your classroom with features created with teachers and students in mind: - Perpetual license - 24 hour, 7 days a week access - No limit to the number of students accessing one title at a time - Provides a School to Home connection wherever internet is available - Easy to use - Ability to turn audio on and off - Words highlighted to match audio This colorful book introduces readers to several common insects.

Si usted es de los que piensan que apenas hay relación entre la condición humana y las matemáticas, tiene que leer este libro. En él se encontrará con la mitología, la música, la guerra, la astronomía, la literatura... y las matemáticas viajando juntas a través del tiempo y del espacio; desde Egipto, Mesopotamia, la Grecia clásica o la Constantinopla asediada por los turcos hasta la Polonia ocupada por los nazis, Los Álamos de las primeras bombas atómicas o Hiroshima y Nagasaki. Un periplo fascinante desde el centro de la Tierra a los planetas exteriores del sistema solar, del...

Elementary readers will get a look into space exploration as they move through this fascinating nonfiction title that has been translated into Spanish. Readers will discover galaxies like the Milky Way, the effect gravity has on the inner and outer planets, comets, asteroids, constellations, and what measures scientists are taking to learn more about the vast body of the universe and more, including the Hubble Telescope and the Mars Rover. With vivid images, intriguing facts, informational text, a glossary, and a list of helpful websites, this text encourages readers to discover what they...