volcanoes Flashcards
1
Q
what is a magma chamber?
A
large underground pool of magma
2
Q
what is lava?
A
magma,once it reaches the surface.
3
Q
what is a crater?
A
bowl-shaped basin in the top of the volcano.
4
Q
what is a vent?
A
a central tube which magma travels through.
5
Q
what is are secondary cones?
A
eruptions from other vents may build up secondary cones on the volcano.
6
Q
what is ash?
A
material thrown out by the volcano
7
Q
what is steam and gas?
A
material thrown out by the volcano.
8
Q
what are volcanic bombs?
A
large material thrown out by the force if eruption.
