Medida del tiempo en las carreras (Timing Races) (Spanish Version)

En el acuario (At the Aquarium) engages students in reading about aquariums as they learn how to calculate volume. Volume helps aquarium designers figure out everything from the shapes and sizes of tanks to how much water is needed to fill them. This nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

With humor and stories collected over decades of working with teens, McFarland encourages adolescents to build a well-grounded faith which will allow them to have stability in their life and stand firm in Christ.

Un juego que atraviesa los siglos sin envejecer: Monika Beisner ha seleccionado las más bellas adivinanzas de las tradiciones de todos los países. Los niños pueden jugar a encontrar en las bellas ilustraciones de Beisner las soluciones ocultas de los acertijos. Las traducciones del poeta José Emilio Pacheco le dan ritmo y encanto a los textos.

Have you ever wondered where inventors get some of their ideas? This answer may surprise you: sometimes the inspiration comes from plants! Learn how some tiny plants have made a huge difference in the world.