OLogy: Volcanoes - Magma Rising
OLogy (American Museum of Natural History)

Find out what causes volcanoes to erupt and how scientists study them.

But Why?: Are There Underground Cities?
But Why?

In this episode, we answer a question from 5-year-old Wyatt in Los Angeles and learn about ancient underground cities in Turkey, the subterranean passageways of Montreal and the dug-out houses of Coober Pedy, Australia.

California Academy of Sciences: Rock Cycle Roundabout
California Academy of Sciences

After playing a board game to learn how to differentiate the three ways rocks can form, students analyze maps of local topography, water sources, and volcanic activity, to better understand how geology affects a given region. They also experience scale, recognizing geologic processes as fast or extremely gradual.