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Unit 4 Lesson 4 –Volcano Test Review (86)
Things to know for the test:
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What is created near a volcanoes vent?
Types of volcanic eruptions and relationship to viscosity
Types of volcanoes and the viscosity (silica content) of the magma/lava
How amount of gases and temperature affect viscosity of lava.
What is a hot spot? An example
The difference between pyroclastic material and lava.
The three types of pyroclastic materials and their relative sizes
Difference between aa and pahoehoe and the viscosity of lava
The process that causes hot, solid rock to rise through the mantle
The 3 levels of volcanoes
Ring of fire
Volcanoes and convergent and divergent tectonic boundaries
Difference between crater and caldera
Parts of a volcano
Formation of a volcano
What determines how magma will flow?
What force causes magma to erupt to the surface?