Before revision: 250px|The water in this stream forms varying currents as it makes its way downhill A current , in a river or stream , is the flow of water influenced by gravity as the water moves downhill to reduce its potential energy.
After revision: 250px|The water in this stream forms varying currents as it makes its way downhill A current in a stream is the flow of water influenced by gravity as the water moves downhill to reduce its potential energy.