La carta de derechos

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Segunda parte de un proyecto que ya cumple poco más de dos años de existencia, y que se prolongará en el tiempo y tendrá nuevas entregas, pues ya están viniendo los invitados que formarán parte de la tercera edición de Bogotá contada. No sobra recordar que el programa de Bogotá contada invita a escritores de diferentes países a que estén unos días en la ciudad, la recorran, la investiguen y participen en algunas actividades de promoción de lectura en bibliotecas, instituciones, librerías y universidades. Luego cada uno de ellos nos entrega un texto que se recopila anualmente en...

Through bright images, charts and graphs, and informational text, this Spanish-translated nonfiction title provides readers with enlightening facts about what it takes to work in this exciting and unique profession. Featuring a glossary of terms, an index, a list of helpful websites, and an interview with a real-life deep-sea fisher, children will be engaged from cover to cover!

Discover 25 women who were trailblazers in science, technology, architecture, engineering, and more. Learn about some of the women who defied expectations and introduced the world to new ideas and creations big and small. Fully translated Spanish text.

Nature is not always kind. Natural disasters like earthquakes and storms can wipe out cities. Entire cultures and their histories are at risk of being lost. When disaster strikes, some people work to save cultural items. They preserve culture for the future! Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for...