Ayudando a Ana (Helping Hannah)

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

When a Roman widow, Cartila, shows unusual interest in Flavia's father, Flavia decides to discover Cartila's true motives by performing twelve tasks, just like the Greek hero Hercules.

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person ...

Texas has changed dramatically since it joined the United States in 1845. It has become a national leader in resources and many industries, serving as a major supplier of the nation's oil, cattle, and agriculture. This inviting nonfiction book will intrigue readers as they learn about major Texas industries through colorful images and captivating facts. Children will learn about NASA, various types of music found in Texas, and even about the most popular Texas sports! The supportive text, accessible glossary, and index aid in better understanding of the content and vocabulary. This book has...