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Earths Dynamic Syst
| Term | Definition |
|---|---|
| Crater | A bowl-like hole that forms when rock explodes from a volcano during an eruption. |
| Earthquake | Vibrations within earth caused by the sudden release of energy,usually as a result of the movement of rocks along a fault. |
| Geyser | a hot spring in which water intermittently boils, sending a tall column of water and steam into the air. |
| Hot Spring | a spring of naturally hot water, typically heated by subterranean volcanic activity. "the area is noted for its hot springs, steam jets, and geysers" |
| 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. |
| Fossil | Preserved remains of an organism, usually from prehistoric times. |