Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Mi primer libro de lectura es una herramienta para que los lectores principiantes aprendan cómo leer. Es un buen paso para aquellos niños que han dominado el alfabeto y los sonidos de cada letra. Incluye oraciones cortas, palabras familiares y conceptos simples para aquellos niños que desean leer por su cuenta. El contenido educará al niño sobre los principales temas de nuestra sociedad: la familia, el trabajo, los valores morales, ética ciudadana, el medio ambiente y muchos otros temas. Además contiene bellas imágenes a todo color que acompañan la lectura inicial. El propósito...

Every living thing you see is made up of tiny cells. Each of these cells has its own job to do. They work together to do everything an organism needs to stay alive. That's why biologists often call them the "building blocks of life." Learn all about plant and animal cell theory and structure 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 osmosis, diffusion, organelles, and active and passive transport with this nonfiction book that is aligned to ...

Among the multitude of dictionaries available on the market, this one stands out for being especially designed for students and learners of English. This dictionary is the ideal learning tool for students at the intermediate level who wish to expand upon their knowledge of the English language. To this end, this volume offers over 40,000 terms taken from everyday language, each with its phonetic transcription to make pronunciation easier. It also features examples of grammatical usage, numerous informative charts (with both grammatical and cultural information), helpful illustrations, and...

Children learn about the features of Tyrannosaurus Rex, what Tyrannosaurus Rex ate, and how it attacked other dinosaurs.