Sentirse Tímido

¡Conoce al iguanodon, un dinosaurio herbívoro que pesaba toneladas literalmente! Las imágenes coloridas ayudan a los lectores a aprender cómo era la vida para estos comedores de plantas de punta. Meet the iguanodon, an herbivore dinosaur who weighed tons—literally! Now in Spanish, carefully leveled text and colorful images help readers learn what life was like for these spiky-thumbed plant-eaters.

Toda conducta se produce siempre en función de un contexto y una actitud concretas. La actitud es el factor afectivo-emocional que modula la conducta y la transforma en la singular actuación de cada uno de nosotros ante una situación determinada. La conducta y la actitud, sumada a las actuaciones, hacen aflorar un rasgo fundamental del sujeto: su esencial inestabilidad, el hecho de estar en un proceso constante de construcción y deconstrucción con el que se adapta a cada contexto. Esta oscilación entre la versatilidad de la conducta humana y la necesidad de conquistarse una identidad...

Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that fish have a distinct impact on their ecosystem and will see how fish survive when well-adapted to an uncompromised environment. Beautiful photographs demonstrate the great diversity of fish and accompany intellectually stimulating explanations of their varying roles and traits. From page to page, what a fish is unfolds in vocabulary call-outs, insightful questions, and relatable...

Learn how scientists channel energy from the sun to power awesome innovations! Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.