What causes a volcano?

Today's episode is about VOLCANOES! Listen up as Vulcan, the Roman God of Fire and your trusty narrator, Jerry take a fun journey to an active volcano in search of lava! Questions we answer on today's episode: What's the difference between magma and lava? How deep is the earth's crust and how is it just like a giant puzzle? What causes volcanoes to form? Visit www.WhoSmarted.com to get great activities to do after the episode. See omnystudio.com/listener for privacy information. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.