RHNC+3.1

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 * 3.1 Volcanoes and Plate Tectonics**

Vocabulary

 * Volcano-** a hole in the crust where lava/magma spurts out
 * Magma-** molten rock, water, and gases
 * lava-** magma on land
 * Ring of Fire-** a major volcanic belt
 * Island arc-** islands made by volcanoes
 * Hot spot-** magma that melts through the crust

What is a Volcano

 * hole in ground where magma spurts out

Location of Volcanoes

 * Ring of Fire

Volcanoes at Diverging Plate Boundaries

 * mid-ocean ridge

Volcanoes at Converging Boundaries

 * island arc

Hot Spot Volcanoes

 * magma melts through crust