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Science ch3 s2-3

Science

QuestionAnswer
Pipe a narrow, almost vertical crack in the crust which magma rises to the surface
Magma Chamber a large underground pocket formed by magma rising toward the surface
Vent the point on the surface where magma leaves the volcano's pipe
Crater bowl shaped area that forms around the volcano's vent
Silica what thick, sticky, gooey lava contains
What is a quiet eruption? Thin, runny lava that oozes quietly from the vent. It explodes slowly
What is an explosive eruption: Magma that is thick and sticky and erupts explosively. Explodes like a cork
What are three stages of a volcano? active, dormant, and extinct
What are two different types of volcanic activity that does NOT involve an eruption of lava? hot springs and geothermal energy
A Hot Spring forms... when groundwater heated by a nearby body of magma rises to the surface and collects in a natural pool
Geothermal Energy is when... water is heated by magma
Pyroclastic Flow occurs when... explosive eruptions hurls out ash, cinders, bombs, and gas
Pahoehoe is... fast-moving hot lava
What happens during a volcanic eruption? gases dissolved in magma rush out, carrying the magma with them
Created by: carman5
Popular Earth Science sets

 

 



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