Water that doesn´t soak in the ground or evaporate but instead flows across Earth´s surface.

Channel:
Water moving down the same path creates a groove.
Sheet Erosion:
Occurs when water that is flowing as sheet picks up and carries away sediments.
Drainage Basin:
Is the area of land from which a stream or rivers collect runoff.
Meander:
The curve that grows to become a broad arc.

Groundwater:
Water that soaks into the rock underlying the soil.
Permeable:
Describes soiland rock with connecting pores through which water can flow.
Impermeable:
Describes materials that doesn´t pass by water.

Aquifer:
Layer of permeable rock that allows water to pass.

Water Table:
Upper surface of the zone of saturation drops during a dought.
Spring:
Forms when the water tablets meets Earth´s surface.
Geyser:
Hot spring that erups and shoot water.
Cave:
Underground opening that can form by limestone.
Longshore Current:
Water that runs parallel to the shoreline.
Beach:
Are deposits of sediments that are parallel to the shore.
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