CSTC+3.1

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Vocabulary

 * Volcano**: a weak spot in the crust where molten material, comes up to the surface


 * Magma**: a mixture of gases and water from the mantle


 * Lava:** when magma reaches to the surface, it becomes lava


 * Ring of Fire:** a major volcanic belt, formed by many volcanoes along the Pacific Ocean


 * Hot Spot**: an area where magma from inside the mantle melts through the crust

Outline

 * What is a Volcano**
 * volcano
 * magma
 * lava


 * Location of Volcanoes**
 * ring of fire


 * Volcanoes at Diverging Plate Boundaries**
 * mid-ocean ridge


 * Volcanoes at Converging Boundaries**
 * island arc
 * subduction


 * Hot Spot Volcanoes**
 * hot spots
 * no subduction
 * could form a volcanic mountains
 * form under continents