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18 questions
what forms when hot water and steam are trapped underground in a narrow crack and suddenly erupts?
geyser
hot spring
batholith
magma leaves a volcano through a
vent
sill
dike
hot spots can occur
only under the middle of plates
far from plate boundaries
only at plate boundaries
TRUE OR FALSE: a batholith forms when a large amount of lava hardens on the surface
TRUE
FALSE
a volcano that is said to no longer erupt is
dormant
extinct
active
TRUE or FALSE: a dike forms when magma hardens in rocks in an up and down layer
true
false
an explosive eruption occurs if magma is
low in viscosity
very thin
high in silica
what happens when magma hardens in the pipe of a volcano
sill
dike
volcanic neck
a weak spot in the crust where magma comes to the surace is called a
volcano
pipe
caldera
a volcano that is no longer erupting but likely to erupt again in the future is
active
dormant
extinct
a huge hole that is left behind when a volcano collapses is
geyser
batholith
caldera
when a volcano erupts quietly what kind of mountain forms?
a shield volcano
cinder cone volcano
composite volcano
TRUE or FALSE: a volcano that erupts quietly will produce cinders, ash and bombs
TRUE
FALSE
how well a fluid flows depends on its
pipe
volcano
viscosity
very hot magma produces water like lava called
silica
Aa
pahoehoe
volcanoes can normally be found at what type of boundary
transform
divergent
convergent
TRUE or FALSE: hot water from underground can be used to heat homes
TRUE
FALSE
an example of a chemical property is
hardness
color
being able to burn
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