science quiz Flashcards
a rupture vent ot fissure on the earths surface
volcano
highest point ; apex
summit
opening in earths surface, volcanic materials eacape
vent
mouth of a volcano
crater
side of a volcano
flank
entrance of a volcano
throat
fragments of lava or rock
ash
cloud of ash by volcanic explosion
ash cloud
italian word of lava
to slide
molten rock beneath earths surface
magma
underground passage wherr magma passes through
conduit
Flat piece of rock formed when magma hardens
sill
bodies of magma that cut through & across
dike
small cones shaped volcanoes formed by volcanic debris
parasitic cone
classification time of eruption
active, dormant, inactive / extinct
erupt always, recent volcanic activity
active
active, but not erupting, might erupt
dormant
never erupt no vomcanic activities
inactive/extinct
classification according to shape
composite, cinder cone, shield
another name for composite
STratovolcanoes
symmetrical cone
composite
built from volcanic fragments called pyroclasts
cinder cone
slightly dome shaped, less viscous basaltic lava
shield
another name of cinder cone
scoria cones