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earth's dimanic 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 rare type of hot spring that periodically erupts superheated water and steam into the air. |
| hot spring | a natural spring where groundwater, heated by the Earth's internal energy, emerges onto the surface at a temperature substantially higher than the surrounding air temperature |
| volcano | a landform, usually cone-shaped, produced by a collection of erupted material around a vent, or opening on the surface of earth and through which gas and erupted material pass. |
| fossil | preserved remains of an organism, usually from prehistoric times. |