Refranes con humor

[English] What is the difference between a savanna and a prairie? How do bison, zebras, and other grazers avoid hungry grassland predators? Trek across the plant-covered landscape of this book, and find out what makes grasslands one of Earth's treasures. [Spanish] ¿Qué diferencia hay entre una sabana y una pradera? ¿Cómo escapan los bisontes y las cebras de los depredadores? Camina entre los altos pastos de este libro. Descubrirás por qué los pastizales son uno de los grandes tesoros de la Tierra.

Pertenece al certificado de profesionalidad montaje y mantenimiento de instalaciones solares fotovoltaicas (ENAE0108). Corresponde al modulo MF0836_2: montaje de instalaciones solares fotovoltaicas, en cuestión se trata de la unidad formativa 3: UF0153: montaje eléctrico y electrónico en instalaciones solares fotovoltaicas. Los contenidos de este libro se corresponden con los de la unidad formativa 0153, del módulo "Montaje de instalaciones solares fotovoltaicas", perteneciente al certificado de profesionalidad "Montaje y mantenimiento de instalaciones solares fotovoltaicas". El montaje...

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish...

Bring history home and meet some of the world's greatest game changers! Get inspired by the true story of a famous scientist who changed our understanding of physics forever. This biography series is for kids who loved Who Was? and are ready for the next level. In 1974, Stephen Hawking shook the world of physics. His theory on black holes went against everything the science community accepted as fact. How did he make such revolutionary discoveries? From a childhood spent building model airplanes to recognition as one of the greatest scientists of his time, Stephen's genius and endless...