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U2 L6&7 vocab
| Term | Definition |
|---|---|
| Earthquake | ground movements that occur when blocks of rock in earth move suddenly |
| Techtonic Plates | giant sections of lithosphere on earths surface |
| Tectonic Plate Boundary | two or more tectonic plates meet |
| Epicenter | directly above the earths surface |
| Elastic Rebounds | the return of rock to its original shape after elastic |
| Focus | a place within earth along a fault |
| Deformation | the process by which rock becomes deformed and changes shape due to stress |
| Volcano | any place where gas, ash, or melted rock comes to ground |
| Vent | open in a volcano |
| Magma | less dense than solid rock so it was toward the surface |
| Hot Spot | location where a column of extremely hot mantle, rock,called a mantle plume, rises through the asthenosphere |