tributary
up stream
The flow of water in a river
A stream is a flow of rain water that is smaller than a river.
Upstream or up river
Upstream or up river
Over time, the water erodes the river's banks and river beds changing it flow pattern
velocity
That is the correct spelling of the word "stream" (a creek or river, or a flow of any sort).
Normally a lake does not flow: that is what distinguishes a lake from a stream or river.
It is called an ocean current or a river current. :)
the quicker a river flows the less dirt can stay in the river making it clearer
With other streams or tributaries joining, a stream's flow of water increases until it can be considered a river. For example, the mighty Mississippi starts out as a trickle of water near the Canadian border. Many similar trickles begin to join it and the flow increases.