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evaporation the process of turning from liquid into vapor
condensation water that collects as droplets on a cold surface when humid air is in contact with it
precipitation rain, snow, sleet, or hail that falls to the ground
transpiration the process where plants absorb water through the roots and then give off water vapor through pores in their leaves
runoff precipitation (water) that runs off the land
groundwater water stored beneath the Earth’s surface in rock
source place where a stream or river begins (headwaters)
mouth place where a stream or river ends, flowing into another body of water
velocity the distance water flows during a given period of time (meters per second or feet per second, etc.)
bed load sediment carried along the bottom of the stream channel
tributaries a river or stream flowing into a larger river or lake
topography the arrangement of the natural and artificial physical features of an area
gradient slope of the stream channel
Created by: Dr Duck14



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