| A | B |
| Where is water found on Earth? | oceans, streams, lakes, snowfields, ice-caps |
| Illustrates how water continually moves between the hydrosphere, lithosphere and the atmosphere | The water cycle |
| The process that causes water from Earth's surface to return to the atmosphere as vapor | Evaporation |
| The process by which greeen plants release water vapor to the air | Transpiration |
| When precipitation seeps into the ground and becomes subsurface groundwater | infiltration |
| Water from precipitation can flow on the surface as ? | runoff |
| As runoff increases, stream discharge will ? | increase |
| removes vegetation and increases runoff | Deforestation |
| The percent of open pore space between the soil particles | Porosity |
| Describes the ability of water to enter and flow through the soil | Permeability |