Geography 🌎👥🪨

• Tributary

  Flows into another stream
• Confluence

  Two rivers meet
• Mouth

  The end point of the river enters sea
• Source

  Where a river begins e.g. A spring
• Watershed

  Dividing line which separates two advacent drainage basin
• Traction

  Large boulders and rocks are rolled along the river bed
• saltation

  Small pebbles and stones are boucned along the river bed
• Suspension

  Fine,light material is carried along by the river
• Solution

  Minerals are dissolved in the water.this is an chemical change
• Hydraulic action

  The sheer power of the water as it smashes the river banks. Air becomes trapped in the cracks of the river bank and bed, and causes the rock to break apart.
• Abrasion


  When pebbles grind along the river bank and bed, causing a sand-papering effect
• Attrition

  when Rocks that river is carrying knock against each other.

  They break apart To Become smaller and more rounded
• Solution

  When the water dissolves certain types of rocks e.g. limestone