the molten mixture that is form from gas and water
100
lava flow
area covered by lava from the volcano's vent
100
sill
A slab of volcanic rock formed when magma squeezes between layers of rocks
100
A volcano is most likely to form
A:in the center of a plate
B:where an oceanic plate collides with a continental plate
C:where two pieces of crus like past each other
D:in a basin
b
100
what can a boundary create in the geologic features?
volcano
200
volcano
a weak spot in the crust where magma has to come up to the surface
200
pipe
A long tube through which magma moves from the magma chamber to the earth's surface
200
caldera
the roof of a volcano when the magma chamber collapse
200
mount shasta is a composite in Northern California.mount shasta formed as a result of a
A:Hot spot
B:sliding boundaries
C:spreading boundaries
D:colliding boundaries
d
200
basin
a broad like shaped valley
300
lava
magma that reaches the surface
300
vent
opening through which magma leaves a volcano
300
batholith
a mass of rock that cool inside the crust
300
A volcano that has not erupted for many year and may erupt in the future
A)extinct
B)dormant
C)pyroclastic
D)active
B
300
____ is a huge basin
central valley
400
hot spot
An area that magma melt through the crust
400
extinct
a volcano that is not active
400
intrusion
An igneous rock form when magma hardens beneath earth's crust
400
which answer is a benefit that explains why people might live in the region around a volcano?
A) A volcano removes trees
B) Volcanic eruptions are interesting to watch
C) Volcanic soil is good for growing crops
D) Volcanoes release various gases
c
400
a crack in the earth's lithosphere
fault
500
ring of fire
a volcano belt that rims the pacific ocean
500
dormant
A volcona that is not active yet, but it might be active again
500
cinder cone volcano
a steep ,cone-shaped hill or small mountain made made of volcanic ash, cinder, and bombs.