Criptología digital (Digital Cryptology)

This nonfiction Spanish book teaches students about energy, and introduces them to important scientific concepts and vocabulary terms like amplitude, frequency, infrasound, transverse waves, and supersonic. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.

Raíces es un libro de poemas, aforismos y prosas que aborda algunos de los grandes temas de la historia poética: amor, sueños, infancia, la mirada y la lectura. Este libro es el resultado del trabajo y el compromiso de Asier Aldea Esnaola por retratar literariamente sus pasiones e inquietudes juveniles con un estilo inspirado por los poetas de antaño. “El buen libro se lee susurrándoselo al escritor. No importa si ya ha muerto, si vive, si alguna vez coincidieron, o si no; es indiferente. El lector se lo imagina a su lado, muy pegado, escuchándole atento, curioso, tan real como el...

Las cobijas no son calientes. ¿Entonces por qué nos dan calor? Descubre la respuesta y otras curiosidades del calor en este libro sobre la temperatura.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.