parts of a volcano Flashcards
1
Q
what is the mouth of a volcano which surrounds the vent?
A
crater
2
Q
what is molten rock within the earth? it can be runny or viscous (thick)
A
magma
3
Q
it is a cloud of ash formed by volcanic explosions
A
ash cloud
4
Q
it is molten rock that has reached the surface of the earth
A
lava
5
Q
a large underground pool of liquid rock found beneath the surface of the earth
A
magma chamber
6
Q
an underground passage which magma travels through
A
conduit
7
Q
an opening on the surface of the earth through which volcanic materials can escape
A
vent
8
Q
it is formed when part of a wall collapses folowing an explosive eruption
A
caldera