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19 terms

earth's physical environment 2

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active volcano
a volcano that is either currently erupting or may soon erupt
cinder cone volcano
a steep,cone-shaped hill or small mountain made of volcanic ash and cinders piled up around a volcano`s opening
colonizers
living things that come into an area to eat and to live after a disaster
composite volcano
these tall volcanoes may erupt on and off for as long as a million years,a tall,cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials
domant volcano
a volcano that has erupted in historical times,but is now quiet
epicenter
the point on earth's surface directly above the focus of an earthquake
fault
a crack in the earth's crust where rocks on one side can move in relation to rock on the other side
lava
hot,melted rock that flows onto earth's surface through openings of a volcano
magma chamber
an underground pool that holds magma,below a volcano
magma
hot,melted rock inside the earth
pressure
pushing force
ring of fire
a giant ring of volcanoes that surronds the pacific plate
seismograph
a scientific instrument that detects movement or vibrations in the earth's crust
shield volcano
a wide, gently sloping, dome-shaped mountain made of layers of lava and formed by quiet eruptions
subduction
the sliding of one plate under another
survivors
a plant or animal that has lived through a disaster in a paticular area
tectonic plate
solid sections of rock that float and are constantly moving on earth's molten mantle
vent
a crack in the mountain of a volcano
violent eruption
a volcano where pressure builds up and explodes with incredible force