River KO 1

Landscape = A view of the earth’s ________ and its features

Drainage Basin = the area of land drained by a ________ and its tributaries.

Hydraulic action = The force of the ______ hitting against the river bed and banks, gradually wearing them away.

Abrasion = When stones are dragged along the river bed by the river flow, ________ and wearing it down like sandpaper.

Traction = large rocks _______ along the river bed

Saltation = The _______ of rocks along the river bed.

Solution = ________ load

Deposition = When sediment is ________ e.g. when a river slows down.

Waterfalls often form where a river flows over a band of ________ rock that lies over ________ rock, creating a step.

This is repeated overtime leaving a steep sided rocky gorge downstream.