En el trabajo: Paseadores de perros: Datos ebook

On a clear night, you should be able to see the stars. But we cannot always see them. Light pollution prevents us from seeing the stars and causes other problems as well. Learn about light pollution with this STEAM book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, 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...

Even the smallest tide pools are actually entire ecosystems! The creatures that call a tide pool home are connected through food chains that represent the passing of energy from one living thing to another. Readers discover how these unique food chains all come together as they view a helpful tide pool food web. Fun fact boxes accompany informative text about life in a tide pool. Detailed photographs of tide pool ecosystems introduce readers to a variety of cool creatures.

How does a frog grow? Beginning as a tiny egg and then a tadpole, a frog stays mostly in the water until it is fully grown.

Un libro para propiciar el pensamiento y estimular el diálogo sobre los temas fundamentales. Desde muy pequeños aprendemos que las ideas se oponen y comprenden una gracias a la otra: la oscuridad sólo se entiende en oposición a la luz, la alegría a través de la tristeza, el frío por el calor... Luego, nuestro pensamiento se vuelve más sutil y nos permite comprender nociones más abstractas. Pero siempre continúa necesitando a los contrarios para progresar y ayudarnos a comprender la realidad y a nosotros mismos. Este libro propone al joven lector (y también a los mayores) una forma...

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.