El ciclo del nitrógeno (The Nitrogen Cycle)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

While any number of books focus on farm, jungle, or ocean animals, Busca los animales de tu ciudad concentrates on the animals that children see most often—squirrels, ducks, dogs, cats, butterflies, and more. Photo-real illustrations and concise blocks of text provide information on where these animals come from, how they reproduce, and what they eat, providing kids with a greater understanding of the animals that form such an integral part of their cities. Aunque hay muchos libros que se enfocan en los animales de la granja, la jungla o el océano, Busca los animales de tu ciudad se...

¿Sueñas con jugar como Alexia? Una nueva aventura de ALEXIA PUTELLAS, balón de oro 2021, capitana del F. C. Barcelona y jugadora de la selección. ¡Para las superfutbolistas del futuro! Alexia sueña con ser futbolista profesional. Ahora que su equipo y ella han pasado a la siguiente fase del torneo, ¡la competición está más viva que nunca! El equipo que gane recibirá dinero para construir un campo de fútbol. Sin embargo, Alexia comienza a notar que a su alrededor pasan cosas raras: partidos amañados, jugadores asustados y una feroz rivalidad con Laia, la capitana del equipo...

Imagine getting ready for bed when the sun is still shining, or eating lunch when it’s dark outside. How are such things possible? Learn how people in places such as Alaska, Norway, Iceland, Sweden, and Canada cope with days and days of sunlight and darkness. 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...