volcano Multiple Choice Test

Volcanoes form when magma flows out of a surface opening. What is it called?

What is the name for a steep=walled depression around a vent?

Sulfurous gases from volcanoes can create__ _ killing organisms.

What is the name for low silica magama producing quiet, non-explosive eruptions?

What is the type of basaltic magma that runs down the side of a volcano?

What is formed when the cone is eroded away leaving a solid igeneous core?

What process combines with erosion to wear down surface rock and expose igneous features?

What is formed after magma hardens in cracks parallel to rock layers?

What determines the type of volcano that is created?

What are 2 factors that affect the type of volcanic eruption?

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