A river starts at aplace called it's source. This could be an underwater spring or a melting glacier.
Head is where it starts and the mouth is where it lets out into a body of water like a lake or ocean. The HEAD of river is the place where the water spends 50% of time flowing downriver, and 50% time flowing up river. This is relevant to a tidal river.
Flowing water has kinetic energy
A source is the beginning of a river or water way and a mouth is the end of that river or body of water!
the large body of water that flows across the land is a river.
Rio Grande in the USA, Rhine flowing through Europe for starters.
a river
a river
a river
The Amazon River.
He watched her silky, red hair flowing in the wind.The water is flowing down the river.
a river
The two effects produced by flowing water in a river are erosion, and a land formation known as a delta.