¡Supervivencia! Jungla (Survival! Jungle)

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

The Earth is a remarkable place! In the universe, Earth is the only place that we know for sure has life and non-life. Learn all about interdependence in ecosystems with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. Introduce students to STEM topics and new vocabulary terms like oxygen cycle, stimuli, homeostasis, and micro-organism with this nonfiction book that is aligned to state and national standards. The leveled text supports students reading at above-, below-, and on-grade level. The fun lab activity...

Death Valley is one of the hottest and driest deserts of the world! Readers are taken on an adventure through Death Valley to learn about the plants and animals that survive in this dry, hot desert landscape in this engaging, Spanish-translated nonfiction title. Featuring vivid photographs, informational text, and riveting facts about desert ecology, readers will be fascinated from beginning to end!

Groups of American Indians had been living in the Texas region for thousands of years when American settlers decided to expand westward. This captivating book has been translated into Spanish and explores the history of American Indians in Texas and how each group found different ways to live in the region they inhabited. Readers will learn about a variety of tribes, including Karankawa tribe, Jumano, Caddo, Lipan Apache, and Shoshone and discover how they struggled to survive European colonization, the Indian Removal Act, and American expansion. Other topics include the Dawes Act, Indian...

The conjunction of imaginary characters and objects from daily life are presented to help little ones find a connection between both elements, showing each character, object, situation, and activity in its context. PP.

Este tomo te permitirá conocer mejor al canguro, un marsupial que sólo vive en Australia y Nueva Guinea. Las hembras de los canguros, como las de todos los marsupiales, poseen una bolsa o marsupio, en cuyo inteiror se amamantan las crías hasta que tienen ocho o diez meses. En este volumen se describen las diferentes variedades de canguro, desde el ualabi de cola corta, del tamaño de una rata grande, al canguro rojo, que mide más de dos metros de altura y pesa alrededor de setenta kilos.

Libro para adquirir el fundamento de los mecanismos teórico-prácticos de los equilibrios químicos que tienen lugar en disoluciones acuosas. Se inicia con una presentación de los compuestos químicos, de las reacciones químicas y las ecuaciones químicas con los conceptos estequiométricos necesarios para exponer la disociación electrolítica, sus consecuencias y las diversas formas químicas de cuantificar los compuestos en estado puro y en disolución, teniendo en cuenta su disociación y con la utilización de cifras significativas, explicando una estadística básica para la...