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Mr. Biando's Lab

Mr. Biando's Lab - Causes of volcanic eruptions

DefinitionTerm
An area surrounding the Pacific Ocean in which over 75 percent of the world's volcanoes are located. Ring of Fire
Tectonic plates that move away from each other. Divergent Boundary
A place where tectonic plates collide. Convergent Boundary
An area of deep cracks that forms between two tectonic plates that are pulling away from each other. Rift Zone
An area undersea that produces volcanoes and mountain chains by magma that flows out from between two divergent plates. Mid-ocean ridges
The movement of one tectonic plate underneath another. Subduction
A volcanically active area of Earth's surface far from a tectonic plate boundary. Hot spots
Columns of rising magma. Mantle plumes
Volcanoes that are "sleeping" or not currently actively erupting. Dormant Volcanoes
Volcanoes that have not erupted in recorded history and probably never will erupt again. Extinct Volcano
Volcanoes that are currently erupting or showing signs of erupting. Active volcanoes
A scientific instrument that helps scientist detect small changes in the angle of a volcano's slope. Tiltmeter
Four measurements that scientist use to predict volcanic eruptions. Seismic activity, gas composition, angle of slope, and surface temperature.
Created by: dbiando
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