What is a volcano? | Fierce Earth
Dougal explains how a volcano erupts.
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Geography: Mountains and Volcanoes | Bitesize Daily: 9-11 Year Olds
Learn about volcanoes, mountains, and living near an active volcano.
S4E1 | Bang Goes the Theory
The team looks at the science behind the recent Japanese earthquake and the tsunami it triggered. Plus the technology that attempts to protect us from the power of our planet.