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Lesson 6 and 7 Vocab
Earthquakes and Volcanoes
| Term | Definition |
|---|---|
| Earthquake | Ground movements that occur when blocks occur when blocks of rock in earth move suddenly & release energy |
| Focus | A place within earth along at fault at which the first motion of an earthquake occurs |
| Epicenter | Directly above the Earth´s Surface |
| Tectonic Plate Boundary | 2 or more tectonic plates meet |
| Fault | A break in Earth's crust along which blocks of rocks move. |
| Deformation | The process by which rock becomes deformed and changes shape due to stress. |
| Elastic Rebound | The return of rock to its original shape after elastic deformation |
| Volcano | Is any place where gas, ash, or melted rock come out the ground. |
| Magma | Melted rock that is less dance than solid rock rock, so it rises toward the surface |
| Lava | Is magma that has reached Earth's Surface |
| Vent | Lava clouds of ash can erupt from erupt from a vent or opening of a volcano |
| Tectonic Place | Are giant sections of lithosphere on Earth's Surface |
| Hot Spot | Is a location where a column of extremely hot mantle rock, called a "mantle plume", rises through the atmosphere |