Part Two: ...to the Open Sea

Vocabulary

flood plain	the large, flat area of water created when a river bursts its banks after heavy rain
meander	the loops and lazy curves formed by a river as it flows slowly across a flood plain
tributary	a stream or small river that joins a large river
mouth	the open area where a river flows into the sea
recreation	lots of recreational activities take place on rivers and reservoirs, such as fishing, canoeing and sailing
water treatment	the cleaning of water to make it safe for human consumption
sewage treatment	the processing of waste water that must occur before it is returned to the river