Describes how a volcano is formed, the different types of volcanoes, where the most active volcanoes are found, and what happens when a volcano erupts.
Content Note
Mountains of fire! -- Hot rocks -- Shaky plates -- An island is born -- The ring of fire -- Meet a volcano...or three -- The true story of Crater Lake -- Volcanoes rock! -- Volcanic record breakers -- Hot spots -- Exploding ending -- Picture glossary.