| A | B |
|---|
| water found underground between cracks and rocks | groundwater |
| the continuous movement of water from land, oceans, and the atmosphere | water cycle |
| Water vapor releasted from plants | transpiration |
| a large mass of ice and snow moving on land | glacier |
| water that flows over Earth's surface | runoff |
| small streams that flow into rivers | tributaries |
| the area of land that contributes water to a river system | watershed |
| region below Earth's surface where pore spaces are filled with groundwater | saturated zone |
| the top of the saturated zone | water table |
| a substance that easily allows water to pass through it | permeable |
| a permeable rock layer that is saturated with water | aquifer |
| a substance that does NOT easily allow water to pass through | impermeable |
| process that wears down and carries away rock and soil | erosion |
| process where rocks are chemically altered and physically broken down | weathering |
| rock is physically broked down by abrasion, frost wedging, etc. | mechanical weathering |
| type of mechanical weathering where rocks scrape and grind against each other | abrasion |
| rock is broken down by chemical reaction | chemical weathering |
| downward movement of rock and soil due to gravity | mass movement |
| placement of sediment that was transported from somewhere else | deposition |
| process of particles boundcing along the bottom of a stream | saltation |
| area where rivers or streams cross gently sloping land | flood plain |
| sediment deposits in the curve of a river, forming a loopy bend in the river | meander |
| separate curved lake fromed on a river during a flood | oxbow lake |
| a stream flows out of mountains and onto plains, leaving sediment forming a fan shape | alluvial fan |
| a mass of sediment deposited where a river enters a large body of water | delta |
| icicle-like formations formed by water dripping from the ceiling of a cavern | stalactite |
| water dripping to the floor of a cavern forms a pillar of minerals | stalagmite |
| erosion weakens a laayer of limestone causing a portion of ground to suddenly collapse | sinkhole |
