La carta de derechos

Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

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

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

Este práctico libro recoge muchas de esas preguntas que los pequeños de la casa (y a veces no tan pequeños) se pasan la vida haciendo a los mayores, y las contesta de un modo sencillo y muy divertido. Van acompañadas por unas simpáticas y originales ilust

A selection of children's poems by Rafael Alberti, Federico García Lorca, Ramón Gómez de la Serna, José A. Goytisolo, Nicolás Guillén, and others.

Take a virtual tour of the National Museum of Natural History with this high-interest STEAM book! Along the way, learn about the challenges that museums face when designing fossil exhibits. You’ll also learn how studying fossils helps scientists learn about prehistoric species such as dinosaurs and their habitats. Created in collaboration with the Smithsonian Institution, this Spanish 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...

¿Sabías que los gatos necesitan rasguñar cosas para mantener sus uñas sanas? La mayoría de los gatos tienen 18 uñas. Aprende más sobre estos increíbles animales en El gato. The AV2 Spanish language collection gives emerging bilingual readers access to both a printed Spanish book and an eBook that provides both Spanish and English translations of the text.