Active Volcanos!

sally asked:


1)describe the role of the pacific ring of fire in the formation of volcanoes.

2)what is the relationship between the amount of gases in magma and the explosiveness of a volcanic eruption?

3)what is the relationship between the amounth of gases in magma and the explosivness of a volcanic eruption?

4) what is the relationship between the silica content of magma and the explosiveness of a volcanic eruption?

these are vocab words……
1)structures in earth that move on the asthenosphere
2)opening at the top of a volcano’s vent
3)long,deep cracks formed when plates seperate
4)the state of volcanoes currently spweing smoke,ash,steam,lava
5)the state of volcanooes not currently active
6)area around pacific plate where earthquakes and volcanoes are common, the pacific________________
7)opening in earth’s crust that allow magma to reath the surface
8)type of boundary where one plate slides under another plate
9)mountain formed from layers of lava and volcanic ash

CALEB