science

Tributary

a freshwater stream that feeds into a larger river or stream.

Watercycle

water passes into the atmosphere as water vapor, precipitates to earth in liquid/solid form, & returns to the atmosphere through evaporation

Watershed

An area or ridge of land that seperates waters flowing to different rivers basins or streams

Surface Water

water on the surface of land

Groundwater

water found underground in the surface of the earth's crust

Channel

a large portion of water between land

Aquifer

An underground layer of water bearing permeable rock

Water table

the surface in which the water pressure head is equal to the atmospheric pressure

Permeability

1.the state or quality of a material or membrane that causes it to allow liquids or gases to pass through it.

Porosity

the ability to to absorb moisture

Pollution

something that is harmful or has harmful effects on the environment

Point source pollution

a single identifiable source of pollution that can come from many places.

Non-point source pollution

pollution that comes from many places.

Sewage Treatment

a place that recycles sewage

Septic Tank

an underground tank that collects sewage to decompose