 50 
VOLCANOES AND PLATE TECTONICS
"PANGAEA""Large supercontinent"
"TEN""Degree slope of a shield cone"
"KRAKATOA""Made loudest sound ever heard"
"NECK""Central plug of old volcano"
"HIMALAYAS""Formed when India & Asia collided"
"ANDES""Mountains of South America"
"CRATER""Funnel pit at top of volcano"
"CALDERA""Formed when volcano collapses"
"LAVA""Molten rock above the surface"
"ASH""Forms when rock shatters"
"BATHOLITH""Largest mass of solidified magma"
"BOMB""Rock fragment with round shape"
"TWENTYFIVE""Degree slope of a composite cone"
"MTSTHELENS""Active volcano in Washington"
"QUIET""Eruption of a shield volcano"
"SHIELD""Cone made entirely of lava"
"DIKE""Solidified magma in vertical crack"
"EXPLOSIVE""Eruption of a cinder cone"
"PAHOEHOE""Smooth ropy Hawaiian lava"
"RADIOACTIVITY""Causes rocks to melt"
"PLUTO""God of the underworld"
"EXTINCT""Has not erupted in recorded history"
"TUFF""Cemented volcanic ash"
"TRENCH""Deep spot in the ocean"
"MANTLE""Plastic like layer of the earth"
"MAGNETISM""Helps support plate tectonics"
"CASCADES""Mountains of northwest U.S.A."
"PACIFIC""Ocean surrounded by ring of fire"
"FUMAROLE""Hole that releases volcanic gases"
"DORMANT""Sleeping stage"
"VENT""Hole magma travels through"
"COMPOSITE""Most common volcano"
"FORTY""Degree slope of a cinder cone"
"PUMICE""Volcanic rock with air holes"
"ACTIVE""Erupted in the last 100 years"
"LAURASIA""Northern continents"
"WEGENER""Proposed continental drift theory"
"STEAM""Most common volcanic gas"
"FISSURE""Crack molten rock comes from"
"LACCOLITH""Causes dome-shaped mountains"
"PLATEAU""Formed by flood basalts"
"GASES""Causes explosive eruptions"
"CINDER""Cone made entirely of ash"
"PLATE""Piece of the earth's crust"
"SILL""Horizontal solidified magma"
"PILLOWLAVA""Forms when lava flows into water"
"NUEEARDENTE""Cloud of hot gases and rock pieces"
"VULCAN""God of fire"
"MAGMA""Molten rock below the surface"
"BASALT""Rock of the Hawaiian volcanoes"
