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40 Cards in this Set
- Front
- Back
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This is where molten materials simply ooze out |
Fissures |
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Places on the surface of Earth where molten materials and gas are emitted |
Volcanoes |
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Areas where the oceanic and continental plates move toward each other |
Subduction Zones |
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Stationaey and are found under Earth's crust |
Hot Spots |
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A region surrounding the Paicific Ocean where most active volcanoes are located |
Paicific Ring of Fire |
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Meaning of PHIVOLCS |
Philippines Institute of Volcanology and Seismology |
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A government agency that provides information about volcanoes, earthquakes, etc. |
PHIVOLCS |
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These are volcanoes which have erupted within the last 10,000 years. |
Active Volc |
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These volcs haven't erupted recently but can possibly erupt in the future. |
Dormant Volcs |
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These volcs have no historical records of eruptions and shows no signs of possible eruption |
Extinct/Inactive volcs |
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Volcs that are mqde up of alternating layers of volcanic ash, lava flows, etc. |
Composite/Stratovolcs |
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Porous fragments of dark molten rocks |
Cinders |
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Round or pear-shaped masses of volcanic rocks solidified from molten lava |
Bombs |
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Tall, symmetrically shaped, and have steep sides. |
Composite/Stratovolcs |
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A gray, fine-grained volcanic rock |
Andesite |
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Volcs that are made up of fluid lava flows covering great distances and producing domes |
Shield Volcs |
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These volcs erupt quietly bc their lava consists mainly of basalt |
Shield Volcs |
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These volcs only become explosive when water penetrates their vents |
Shield Volcs |
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World's largest volcano |
Mauna Loa in Hawaii |
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World's most active volcano |
Kilauea |
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Volcs that has single vent and are built from blobs of ejected lava that solidified |
Cinder Volcs |
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Volcs that form bowl-shaped crater and a circular dome around the vent |
Cinder Volcs |
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Term used which means they only erupt once for only a short period of time before becoming inactive |
Monogenetic |
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Process where 2 plates are pulled apart |
Divergent Plate Boundary |
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Process where two plates are pushed together |
Convergent Plate Boundary |
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Process where 2 plates slide past each other horizontally |
Transform Plate Boundary |
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The element which is a major component of oceanic plates |
Iron |
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Layer of molten rock just beneath the continental plates |
Asthenosphere |
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Are center points of the plates where magma rises through gaps |
Hot Spots |
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Mass of lava or molten rock flowing downslope from the vent |
Lava Flow |
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Is a flow of hot, dry mass of gasses and fragments |
Pyroclastic Flow |
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Type of vlocanic eruption that are the quietest |
Hawaiian Eruption |
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Type of volcanic eruption that are little more violent |
Strombolian Eruption |
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Type of vlocanic eruption that are not often characterized by lava flows but from the explosions of ash and rock |
Vulcanian Eruption |
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Type of vlocanic eruption that can cause great destruction and loss of life |
Pelean Eruption |
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Positive Impacts of Volcanic Eruption |
1. Produces Fertile Soil 2. Volcanic Rocks for construction 3. Renewable Energy Source 4. Tourism |
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Negative Impacts of Volcanic Eruptions |
1. Lost of Human lofe and devastation of wildlife habitat 2. Decrease of global temperature 3. Acid Rain |
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Main feature of Composite volcs through which the molten materials from magma chamber pass through |
Conduits |
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It is an instrument used to survey the elevation changes of the vlocano |
Geodetic |
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Refers to the trapped energy deep below the Earth's surface |
Geothermal Energy |
