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MrsHackersVolcanoes

Study Guide for Volcano TEST

QuestionAnswer
A cinder cone volcano has what kind of slope? Steep
Where does molten rock underground gather? Magma chamber
Which type of volcano probably won't erupt again? Extinct volcano
Which volcano will probably erupt soon? Active volcano
Which volcano will probably erupt sometime in the future? Dormant volcano
What is a funnel-shaped pit? Crater
What is molten rock called? Magma
What is the name for dust-sized particles of hardened lava? ash
What is a crack or opening in the Earth's crust? Vent
What is magma that is blasted into the air and hardens referred to? Pyroclastic material
Magma forms when the temperature in the earth is _____________ and the pressure is ___________? High or low? high, high
What kind of volcano was Mr. Hacker climbing when he climbed Mt. Rainier? Composite
What kind of instrument measures a change in the volcano's slope? Tiltmeter
What is a crack in the Earth's crust referred as? Rift
If Magma has a high water content, what is likely to happen? An explosive eruption is likely
Volcanoes mostly form at? Plate boundaries
What is cool, stiff lava that forms sharp chunks near a vent? Blocky lava
Also means "little stones." lapilli
Which type of lava would cut your flesh if you fell on it? Aa
Mauna kea is an example of which type of volcano? Shield volcano
Mrs. Hacker's sister lives on the Kohala volcano. Does she live on an extinct or an active volcano? Extinct
What is a wide, flat landform that usually covers a large area that is made from many years of flowing lava called? lava plateau
These are columns of rising magma mantle plumes
What is a volcanically active area that is not near a tectonic plate boundary? hot spot
Which type of volcano only erupts for a short time? cinder cone volcano
What is an opening in the Earth's crust? vent
A lava that has a fluid, runny consistency probably has a low level of what element? Silica
Created by: lesleecatherine
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