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Earths dynamic syste
| Term | Definition |
|---|---|
| Crater | A bowl-like hole that forms when rock explodes from a volcano during an eruption. |
| Earthquake | Vibrations within Earth are caused by the sudden release of energy , usually as a result of the movement of rocks along a fault. |
| Geyser | a rare hot spring that periodically erupts, forcefully ejecting jets of hot water and steam into the air due to built-up underground pressure |
| Hot spring | s 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 land-form, 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 a organism, usually from prehistoric times. |