Match up the keyword with the definition and write them together 1. A watershed
2. The source
3. The mouth .
4. Confluence
5. Tributary
6. A Channel
7. Drainage Basin

is where the river begins
is where the river flows
a small river or stream that joins a larger river.
is where the river meets the sea
this is the area of land drained by a river and its tributaries
is the point at which two rivers meet
the area of high land forming the edge of a river basin