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Unit 6 Lesson 7
Term | Definition |
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Volcano | a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust. |
Vent | An opening at the surface of the Earth through which volcanic material passes |
Magma | hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling. |
Tectonic Plate | Plate tectonics is a scientific theory that describes the large-scale motions of Earth's lithosphere. The model builds on the concepts of continental drift, developed during the first few decades of the 20th century |
Lava | hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this. |
Hot Spot | A volcanically active area of Earth's surface, commonly far from a tectonic plate boundary |