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25 Cards in this Set
- Front
- Back
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Heat |
Thermal energy transferred from one object to another. |
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Pressure |
is a force per unit area applied in direction perpendicular to the surface of an object. |
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Water Content |
The quantity of water contained in a mineral , such as soil (called soil moisture), rock, ceramics. fruits, or woods. |
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Ring of fire |
a long belt of volcanoes that circles much of the Pacific Ocean. |
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Intraplate Volcanism |
Volcanic activity that occurs within a plate. |
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Hot Spot |
a concentration of hear in the mantle capable of producing magma, which rises to Earth's surface. |
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Viscosity |
A measure of a fluid's resistance to flow. |
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Vent |
An opening in the surface of Earth through which molten rock and gases are released. |
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Pyroclastic Materials |
the volcanic rock ejected during an eruption, including ash, bombs, and blocks. |
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Shield Volcano |
a broad, gently sloping volcano built from fluid basaltic lavas. |
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Cinder Cone |
a small volcano built primarily of pyroclastic material ejected from a single vent. |
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Composite Cone |
A volcano composed of both lava flow and pyroclastic material. |
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Volcano |
a mountain formed of lava and/or pyroclastic material. |
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Crater |
the depression at the summit of a volcano or that which is produced by a meteorite impact. |
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Caldera |
a large depression typically caused by collapse or ejection of the summit area of volcano. |
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Volcanic Neck |
hardened magma in a volcano's pipe. |
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Lahar |
mudflow made up of water-soaked volcanic ash and rock. |
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Lava Flow |
a mass of flowing lava, very slow. |
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Volcanic ash |
formed during explosive volcanic eruptions. |
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Pyroclastic Flows |
a dense, destructive mass of very hot ash, lava fragments and gases ejected explosively from a volcano and typically flowing downslope a great spread |
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Mudflows |
quickly moving downhill flow of soil and rock fragments containing a large amount of water. |
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Plutons |
an intrusive igneous structure that results from the cooling and hardening of magma beneath the earth's surface. |
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Sill |
a tabular sheet of igneous rock intruded between and parallel with existing strata. |
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Laccolith |
a massive igneous body intruded between preexisting strata. |
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Dike |
provide (land) with wall or embankment to prevent flooding |
