mountains
air and water
molten stuff
mystery?
other volcano
100
long lines of mountains that were formed at about the same time and by the same process.
What is mountain range
100
small pieces of rock that can be carried by water or wind.
What is sediment
100
magma that has reached Earth's surface
What is lava
100
the volcanoes around the Pacific Ocean that form a belt
What is the Ring of Fire
100
a volcano shaped like a broad, flat dome.
What is a shield volcano
200
a mountain that forms as continental crust crumbles and bends into folds
What is a folded mountain
200
to wear away by the action of water, wind, or glacial ice
What is erosion
200
Hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling
What is magma
200
a steep, cone-shaped hill formed by the eruption of cinders and other rock fragments that pile up around a single crater
What is a cinder cone volcano
300
a mountain that forms as blocks of rock move up or down along normal faults
What is a fault-block mountain?
300
a dense cloud of superhot gases and rock fragments that races downhill
What is pyroplastic flow
300
a huge crater formed by the collapse of a volcano when magma rapidly erupts from underneath it.
What is a caldera
400
a mountain formed from volcanic material ejected from a vent in a central crater.
What is a volcanic mountain
500
an opening in Earth's curst through which molten rock, rock fragments and hot gases erupt.
What is a volcano
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