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Geography
GillExplore Geography - Cyclone Chapter 8
Term | Definition |
---|---|
Denudation | When rocks on the earth's surface are constantly being worn down by a number of processes |
Weathering | The process that physically changes solid rocks into smaller pieces or sediments |
Erosion | The process that breaks down and moves the sediments away from their original positions |
Mechanical Weathering | The physical breaking down of rocks into smaller pieces |
Chemical Weathering | Caused by chemical changes, when rock is dissolved or decayed |
Karst landscapes | A landscape made up of limestone |
Limestone features | This is called a limestone pavement, the pavement is made up of clints and grikes |
Swallow Hole | When the grikes become enlarged, forming big vertical holes known as swallow holes. |
Stalactites | These hang from the roof |
Stalagmites | These build up on the floor and grow upwards |
Pillars | When a stalactites and stalagmites meet |
Biological Weathering | When rocks are worn away by animals plants and living organisms |
Scree | Pieces or rock and rubble found at the bottom of a slope |
Permeable | When water can pass through a rock |