Submarinos de La Armada de Ee.Uu./U.S. Navy Submarines

"Simple text and color photographs describe the units and tools used to measure time--in both English and Spanish"--

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Young readers will learn the ways that César Chávez fought to protect the rights and lives of migrant workers in this inspiring Spanish-translated biography that gives history behind protests and developments of unions that Chávez led. Vivid images and an interesting timeline of Chávez's life work in conjunction with supportive text and a helpful glossary, table of contents, and index to engage readers from cover to cover. This 6-Pack includes six copies of this title and a lesson plan.

Este libro ilustrado para niños contiene instrucciones paso a paso de actividades creativas que hacer con crayolas.

“Sólo después de que el último árbol sea cortado, sólo después de que el último río sea envenenado, sólo después de que el último pez sea apresado, sólo entonces, sabrás que el dinero no se puede comer”. (Profecía india) Kart, Azucena y Amarilis se alejan de la ciudadela, el único refugio humano después de la hecatombe que ha provocado el cometa Saley en el planeta Tierra. Una mañana, con la claridad del día, deciden explorar la superficie árida y desolada y se internan en el desierto en una aventura que los llevará a encontrarse con la leyenda de la cual tanto les han ...