Erosion and Transportation- Water Theme 7 2.0 / 5 based on 1 rating ? GeographyWater and riversGCSEWJEC Created by: Molly CaulfieldCreated on: 10-06-13 19:39 Hydraulic action The force of waves crashing into cliffs. Air trapped in the cracks is compressed, which breaks up the rock. 1 of 8 Abrasion / Corrasion Waves hurl sand and pebbles against the cliff, which wears the land away. 2 of 8 Corrosion / Solution Salt water dissolves rocks made of calcium carbonate e.g. limestone. 3 of 8 Attrition Pebbles are rolled back and forth. They collide together, which makes them smaller and more round, eventually turning them into sand. 4 of 8 Traction Stones are rolled along the river bed by the force of flowing water. 5 of 8 Saltation Small stones are bounced along the river bed by flowing water. 6 of 8 Suspension Particles of silt and clay float and are carried along in the flowing water. 7 of 8 Solution Some minerals dissolve in water. Limestone, for example, slowly dissolves. 8 of 8
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