Aprende sobre los tiburones

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.

There are one, two, three, four, five dogs to walk. But there is only one dog walker. Collect data on dogs, their leashes, and their names! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning how to collect data easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...

Jae is about to embark on the greatest challenge of his life—biking 150 miles in two days to raise money for the National MS Society. But after he falls on his first practice race, will he be able to overcome his fear and ride again? Especially appealing to reluctant readers, this short, 32-page hi-lo book features full-color illustrations and a fast-paced story to capture the attention of kids who enjoy realistic fiction stories!

La naturaleza está llena de innumerables criaturas salvajes, extrañas y maravillosas, de todas las formas y especies. Cada animal se ha adaptado para sobrevivir en su entorno particular. Cada ser vivo desempeña una función única e importante en nuestro planeta. Sorpréndete con esta divertida recopilación de los animales más inútiles (¿o no?) del mundo.

Mackentor fue una constructora con sedes en Córdoba y Buenos Aires, que los militares ocuparon el 25 de abril de 1977 con la excusa de que financiaba a una organización guerrillera. Nunca se les pudo probar vinculación alguna con las organizaciones armadas de la época. Se trató de un montaje que persiguió el objetivo de quitarle la construcción del Segundo Acueducto Villa María – San Francisco, una de las principales obras de públicas que se construían en Argentina en la década de los 70’, y entregársela a la empresa Supercemento. Entre ejecutivos, empleados y familiares, la...

El presente volumen reproduce, de acuerdo con la edición alemana de Annemarie Gethmann-Siefert y Bernadette Collenberg-Plotnikov, uno de los juegos de apuntes correspondientes a las lecciones de Hegel sobre estética o filosofía del arte impartidas en el semestre del verano de 1826 (un año antes de la publicación de la primera parte de la filosofía del espíritu absoluto, dedicada también al arte, de su monumental Enciclopedia berlinesa). Se trata de los apuntes, tomados al dictado en clase, de F. C. H. V. von Kehler.

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.