Area's Volcanoes Occur
What area of the Earth do Volcanoes normally occur?
What is Plate Boundaries
What layer of the Earth does the Lava come from that comes out of a Volcano?
What is the Mantle
Where does the Magma build up in a Volcano?
What is In the Magma Chamber
What do geologists call a volcano that is not likely to erupt ever again?
What is Dormant.
What is the area on the side of the Volcano that release heat, and lava.
What is the Vent.
Volcanoes normally occur along _____________, because they are weak spots in the crust.
What is a Faults, Subduction Zones, Sea Floor Spreading Centers.
What is the area at the top of the Volcano, where the Magma come out of.
What is the Crater.
A volcano erupts quietly if its magma is ________________.
Low in Silica
What is one Country on Earth has lots of Volcanoes?
What is Japan, Philippines, Chile, Northwestern United States, Iceland
At what point does Magma become Lava?
What is when it touches the surface of the Earth.
When Lava hits the air from our atmosphere, what starts to happen and what forms?
What is Cooling , and new rock.
From what kind of lava does Pahoehoe form?
What is runny lava.
Which feature used to be a volcano's pipe?
A Volcanic Neck
1) If runny, thin lava flowed out from a small area, would it form steep sides or gentle sides?
2) Which type of Volcano would this be?
1) What is Gentle, 2) What is a Shield Volcano
How do land forms from magma become exposed at the surface. What land form makes this happen.
By Erosin
Why might magma turn to rock before reaching the surface?
It might cool before reaching the surface.