WebWaterfalls form in rivers that are young. This is due to the channel being deep and narrow to allow for the formation of the waterfall. Generally, waterfalls form in the upper course of a river. This is where a layer of … WebA gorge is formed as a result of a change in rock type at a waterfall. At the base of a waterwall the pressure and hydraulic action of the falling water causes the softer rock which is underneath to erode forming a plunge pool. Over time this continues to erode backwards, undercutting the harder rock which is on the surface. Eventually the over ...

How do waterfalls form? - Geology In

WebHere are the model answers that we have created in class (please note that this will build up over time). Some refer to the booklet (numbered ones) and some may refer to certain past papers or specimen paper. Remember number of marks may be different – booklet gives the worst case scenario (what is most it could be worth). Population 42. WebExplain the formation of leeves and floodplains (6 marks) During a flood, the river has extra discharge with greater velocity. This subsequently increases the effect of hydraulic … puja gupta too hot to handle

2024 Geography National 5 Finalised Marking Instructions

WebWaterfalls may at first start off as rapids. The river flows over the hard rock while the soft rock beneath gets eroded. The erosion of the soft rock occurs more quickly than the hard rock, and this results in the hard rock being … WebFlood plains form when the discharge of the river channel exceeds it's capacity. As the river transports sediment via traction, suspension, saltation and solution the sediment is held within the river channel however, when the river discharge is higher than the capacity of the channel, the river bursts its banks and so the water and the sediment spill onto the … WebWaterfalls are one of the most spectacular landforms found in the upper valley and are created by erosion processes. They occur where a band of hard rock (e.g. granite) overlies a softer rock (e.g. sandstone). Erosion processes such as Hydraulic Action (the force of the water) and Abrasion (where the river rubs stones that are being transported ... seattle prep cross country