volcanoes Flashcards
1
Q
what kind of lava does a composite volcano contain
A
viscous lava
2
Q
how does a viscous lava affect the volcano?
A
Because it’s sticky it blocks up the vent and overtime the pressure builds up and it explodes
3
Q
what kind of lava does a shield volcano contain
A
runny lava
4
Q
how does a runny lava affect the volcano?
A
it spreads over a longer distance meaning it covers a large area
5
Q
features of a composite volcano
A
high with steep slopes
located on a convergent plate boundary
6
Q
Features of a shield volcano
A
has a broad and wide peak
gentle sloping sides
located on divergent plate boundary
