How do volcanoes erupt?
How do volcanoes erupt?  
Podcast: Brains On! Science podcast for kids
Published On: Mon Oct 02 2017
Description: There are all kinds of volcanoes all over the world, but how are they formed? And how do they erupt? To find out, we’ll travel to the center of the Earth, and we’ll meet a NASA robot that’s going on a very special volcano mission.