Energía del viento (Wind Power)

Life Long Ago brings ancient civilizations to life and reinforces important early elementary social studies standards such as time, continuity, and change. Students will learn what daily life was like, how ancient peoples governed themselves, how they communicated, and how the influences of ancient cultures are still felt today.

Spanish Language Discover Series Books for Babies & Toddlers: Pets Who wants a pet? Just because you know you'll be the one to take care of your child's pet, doesn't mean you have to stop them from dreaming. Cats, dogs, hamsters and horses--there's a pet for everyone in this book. Each page features a beautiful photo of a pet with a simple title beneath. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce farm animals, their sounds and colors to kids. In this Xist Kids Spanish Edition, Spanish text brings the story to new audiences. This book is in...

Learn How Dams And Levees Are Built As Well As The Effects They Have On River Systems In A Region, And Places Downstream.

En este número se analizan los significados e intereses sobre la celebración de los 500 años del descubrimiento de América, desde los dinamismos, mentalidades, estructuras y posiciones institucionales que siguen vigentes. (ITESO), (ITESO, Universidad)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.