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Hydrologic Cycle
| Term | Definition |
|---|---|
| evaporation | The process by which liquid water is converted into water vapor, entering the atmosphere. |
| condensation | The process where water vapor cools and changes back into liquid droplets, forming clouds. |
| freezing | The process by which liquid water is converted into solid ice or precipitation such as snow or hail. |
| melting | The process by which solid water is converted into liquid water. |
| sublimation | The process by which solid water turns directly into water vapor skipping the melting phase. |
| deposition | The process by which water vapor turns directly into solid water skipping the condensation phase. |
| Hydrosphere | The part of Earth that contains all the water, including oceans, lakes, rivers, groundwater, and ice. |
| Biosphere | The regions of Earth where living organisms exist, including land, water, and air. |
| Geosphere | The solid part of Earth, consisting of rocks, minerals, and landforms. |
| Cryosphere | The frozen portion of the hydrosphere, including glaciers, polar ice caps, and permafrost. |
| System Interactions | The ways in which different Earth systems (atmosphere, hydrosphere, biosphere, geosphere) affect and influence one another. |
| Precipitation | Any form of water (rain, snow, sleet, hail) that falls from clouds to the Earth's surface. |
| Runoff | Water that flows over Earth's surface, eventually entering streams, rivers, or other bodies of water. |
| Infiltration | The process by which water seeps into the ground, replenishing groundwater supplies. |
| Water Cycle | The continuous movement of water on, above, and below Earth's surface through processes like evaporation, condensation, precipitation, and runoff. |
| Carbon Cycle | The process by which carbon moves between the atmosphere, hydrosphere, biosphere, and geosphere, playing a key role in supporting life and regulating climate. |
| Weather | The short-term state of the atmosphere, including temperature, humidity, wind, and precipitation. |
| Climate | The long-term average of weather patterns in a particular region. |
| Erosion | The process by which natural forces (water, wind, ice) move weathered rock and soil from one location to another. |
| Deposition | The process by which sediments, soil, and rocks are added to a landform or landmass. |
| Ocean Currents | Large-scale movements of water in the oceans, driven by wind, salinity, and temperature differences, affecting global climate patterns. |
| Greenhouse Effect | The warming of Earth's atmosphere caused by the trapping of heat from the Sun by gasses in the atmosphere. |
| Human Impact | The effect of human activities on Earth's systems, including pollution, deforestation, and urbanization. |