El ciclo del nitrógeno (The Nitrogen Cycle)

En el acuario (At the Aquarium) engages students in reading about aquariums as they learn how to calculate volume. Volume helps aquarium designers figure out everything from the shapes and sizes of tanks to how much water is needed to fill them. This nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Lo que más conocemos de la historia de pueblos y naciones son las grandes hazañas y los personajes, héroes o villanos, que las protagonizaron. Pero la vida no sólo bulle en las grandes ciudades y en los centros de poder; también en minúsculas aldeas hay gentes que se convierten en héroes de lo cotidiano, que únicamente realizan la hazaña de sobrevivir en un ambiente a menudo rudo y hostil. La breve e intensa historia, cargada de anécdotas y de situaciones, a veces esperpénticas, que vivieron padres y abuelos durante los todavía duros años 1958-59 y 60, dicen mucho de las penurias ...

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.

This title will familiarize readers with Veterans Day by explaining the whos, whats, and whys of it. Complete with a More Facts section and bolded glossary terms. Young readers will gather basic information about Veterans Day through easy-to-read text alongside compelling and historical photographs. Translated by native Spanish speakers. Aligned to Common Core Standards and correlated to state standards. Abdo Kids is a division of ABDO.