Arroyo claro, fuente serena

Describes tornadoes, how they form, and the tools scientists use to predict them--in both English and Spanish

In What Is Money?, early readers learn the fundamentals of money and the differences between coins, bills, and their worth. Vibrant, full-color photos and carefully leveled text will engage early readers as they discover basic economic principles.

Traducción y notas de J. L. García Ramón y J. García Blanco. Introducción general de J. García Blanco. Revisión: C. Serrano Aybar.

NASA wants to send humans to Mars within the next 25 years, but before that can happen, they must plan and prepare. This Spanish Interactiv-eBook will engage students as they read about STEM topics, building both their literacy skills and math content knowledge. With a focus on NASA's Mission to Mars, students will learn problem solving through the use of real-world examples. Captivating images, practice problems, and mathematical charts and diagrams help develop students' problem solving skills. Text features such as a glossary, index, and a table of contents increase understanding and build ...