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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 the sudden release of energy, usually as a result of the movement of rocks along a fault. |
| geyser | A geyser is a rare natural phenomenon: a hot spring that periodically erupts, forcefully spouting jets of hot water and steam into the air due to intense underground heat and pressure |
| hot spring | a natural discharge of geothermally heated groundwater that emerges from the Earth's crust, significantly warmer than the surrounding air, often rich in minerals and sometimes featuring therapeutic properties |
| volcano | A volcano is an opening in a planet's crust, often a mountain or hill, that allows hot, molten rock (magma), ash, and gases to escape from beneath the surface, building up layers that form its structure |
| fossil | preserved remains of an organism, usually fro prehistoric times |