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atmosphere
|
the
body of air that surrounds the earth
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andesite
|
dark
gray rock made up of feldspar
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basalt
|
fine-grained
igneous rock
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bomb
|
an
object thrown out of a volcano during an eruption
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boundary
|
the
edge of an area or space
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bulge
|
to
swell or protrude (stick out)
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chamber
|
a
natural space or cavity
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composite
|
made
up of more than one kind of thing
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continent
|
a
large mass of land surrounded by oceans
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core
|
the
center of a sphere
|
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convection
currents
|
a
circular motion in liquids - hot liquid sinks,cooled liquid rises
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crater
|
an
opening at the top of a volcano shaped like a bowl
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explosive
|
a
strong eruption
|
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fragments
|
small
pieces or particles
|
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magma
chamber
|
an
underground container of magma
|
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magma
|
molten
material under the surface of the earth
|
|
molten
|
melted
|
|
paste
|
thick
sticky substance
|
|
recycle
|
to
be used over and over again
|
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ridge
|
sharp
high point
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slope
|
to
slant
|
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theory
|
a
belief accepted by scientists
|
|
trench
|
a
sharp sided ditch
|
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vent
|
an opening where gas and magma escape
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viscous
|
a fluids ability to flow
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