Geography: Coastal landscape 0.0 / 5 ? GeographyCoastal landscapeGCSEEdexcel Created by: DonikaKrasniqiCreated on: 03-02-16 14:02 Weathering Is when it helps wear away rocks but leaves the wheatered material in situ 1 of 7 Two types of weathering Mechanical & Chemical 2 of 7 Mass movement Is when rocks loosened by weathering move down slope under the influence of gravity 3 of 7 Hydrauilc action (mechanical) Air may become trapped in joints and cracks on a cliff face. when a wave breaks trapped air is compressed which weakness the cliff and causes erosion. 4 of 7 Abrasion (mechanical) Bits of rock and sand in waves grid down cliff surfaces like sand papen 5 of 7 Attrition (mechanical) Waves smash rocks and pebbles on the shore into each other and they break and become smoother 6 of 7 Solution (chemical) Acids contained in sea water will dissolve some types of rock such as chalk or limestone 7 of 7
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