Los estados de la materia — Los gases

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Students will gain a deeper understanding of the Cold War by delving into major social studies topics in this project-based examination. The volume presents a series of broad questions touching on major themes in the social studies curriculum. Each question is accompanied by several paragraphs examining that question in the context of the Cold War, as well as a detailed project that prompts readers to think critically and present their findings or opinions in a particular format, such as a poster with side-by-side comparisons, a persuasive essay, or a class presentation.

Texas cuisine is influenced by various cultures, including German, British, African American, Cajun/Creole, Mexican, Native American and Asian. Most people associate Texas cuisine with Tex-Mex cooking, but readers will learn that, for instance, the Texas barbecue is equally famous as well as unique in all of the United States.

Crawl into some learning fun by introducing young readers to animal classifications by explaining how arthropods are grouped. This nonfiction book explores the differences and similarities between several classes, families, genera, and species of arthropods, and how animal classification works—part of the Los animales también tienen clases series. Fun Children's Book Features: This Spanish science book includes a glossary, index, comprehension questions, and reading activity to encourage further learning and reading comprehension skills. 24 pages with vibrant photographs Guided reading...