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Earth's dynamic syst
| Term | Definition |
|---|---|
| Crater | a bowl-shaped depression on a planetary surface, typically formed by the impact of a meteorite, asteroid, or comet, or by volcanic activity like explosions or collapses |
| Earthquake | an earthquake is a shaking of the earth's surface |
| geyser | a rare hot spring that periodically erupts jets of hot water and steam powered by a unique undergrown system |
| hot springs | a natural discharge of geothermally heated ground water that emerges from earth's crust |
| volcano | a geological vent or opening in a planet's crust (like Earth, Mars, or the Moon) that allows hot molten rock |
| fossil | any preserved remnant, impression, or trace of a once-living organism from a past geological age, found in the Earth's crust, like bones, shells, footprints, or leaf imprints, offering vital clues about Earth's history and evolution. |