What is a river mouth?, Side land, River ending, Steep valley, River source, What is an estuary?, River meeting point, Wall across river, Narrow fast stream, Wide mixed mouth (salty and fresh water), What is a delta?, New land deposit, Fast rough water, River side land, Deep steep valley, What is a confluence?, Stored river water, Beginning of river, Two rivers join, River meets sea, What is a bank?, Land beside river, Mud and sand, River water speed, Wide river mouth, What is a gorge?, Area draining water, Wall across river, Deep steep valley, Middle river part, What is the upper course of a river?, Ending section, Meeting point, Middle section, Beginning section, What is the middle course of a river?, Ending section, Middle section, Beginning section, River ending, What is the lower course of a river?, Ending section, Beginning section, Fast rough part, Side of river, What are rapids?, Wide mixed mouth, Fast rough water, Land beside river, Two rivers join, What is a dam?, Deep river valley, River ending point, Water movement speed, Wall storing water, What is current?, Joined rivers, River side land, Water movement, Dropped sediment, What is a river basin?, Mixed water mouth, River wall, Drainage area, Fast river part

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