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Earth's 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 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. |
| Volcano | A land form, usually cone-shaped, produced by a collection of erupt material around a vent, or opening on the surface of Earth and through which gas and erupted material pass. |
| Fossil | the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock. |