Kimia's+Notes+Chapter+6+Section+-Volcanoes+and+Plate+Techtonics

__ Key Terms __ Volcanoes- a weak spot in the crust where molten material, or magma, comes to a surface. -Magma- a molten mixture of rock-forming substances, gases, and waterfrom the mantle. -Lava- when magma reaches the surface. -Ring of Fire- one major volcanic belt. -Island arc- the resulting volcanoes create a string of island. -Hot spot- an area where material from deep within the mantle rises and then melts, forming magma.
 * __Section 1 Volcanoes and Plate Tectonics__ **

Introdution In 2002, Mount Etna erupted in glowing fountains and rivers of molten rock.Located on the island of Sicily in the Mediterranean Sea, Mount Etna is Europe's largest volcano.