¿Caimán o cocodrilo? (Alligator or Crocodile?)

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

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...

Más de 150 fotos de animalitos acompañadas de textos sencillos que te descubrirán todos los misterios de la vida silvestre.

¿Sabías que los dragones de Komodo son los lagartos más grandes del mundo? Usan la lengua para oler a otros animales. Aprende estos y otros sorprendentes datos en Yo soy el dragón de Komodo. Did you know that Komodo dragons are the largest lizards in the world? They use their tongues to smell other animals. Learn these and other impressive facts in I Am a Komodo Dragon.

Recoge las aportaciones en materia de educación física como plataforma para la integración de niños con necesidades educativas especiales.