26 Problemas resueltos de navegación astronómica para capitanes de yate

Introduces students to the alphabet and letter sounds and helps improve their Spanish-language skills.

On a clear night, you should be able to see the stars. But we cannot always see them. Light pollution prevents us from seeing the stars and causes other problems as well. Learn about light pollution with this STEAM book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, 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...

Bacca tiene todo lo que uno puede desear. Es una de las estrellas más brillantes (y peludas) del Overworld. Es el maestro al que todos acuden para que los ayude a construir sus mazmorras, laberintos y castillos. Tiene una preciosa novia, LadyBacc. Y un arma de la que se siente orgulloso: un hacha de diamante a la que llama Betty. Un día, Bacca se encuentra con un dragón misterioso... ¡hecho enteramente de diamantes! ¿Se atreverá a poner en riesgo su vida para cumplir la misión? Como sus millones de fans en YouTube habrán imaginado... ¡por supuesto que sí! ¡Es Bacca!

Let’s Make a Volcano Spanish Edition. What do you know about a volcano? When a mountain erupts, it explodes! Hot melted rock, called lava, comes out of its top and flows down the side of the mountain! People need to keep away from real volcanoes, but you can have fun making your own volcano!