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How Weathering Begins
Weathering can happen with any of the main types of rocks: Sedimentary, Metamorphic, and Igneous Rocks
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Rock at Stage 1
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How Do Rocks Break Down?
Sedimentary, Metamorphic, and Igneous Rocks begin breaking down from 3 types of stress: Physical, Chemical, and Biological. -
Chemical Weathering
One example of chemical weathering is water. These rocks are decomposed or decayed from the water. -
Biological Weathering
One example of biological weathering is when trees grow in between a rock and break it apart. -
Physical Weathering
An example would be this arch. A physical change means its chemical components were not changed. -
Rock at Stage 2
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Rock at Stage 3
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Rock at Stage 4
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Soil, Erosion, or Both?
Once the rocks have continued to break down into smaller and smaller pieces, two different things can happen. They can be turned into soil or they can participate in erosion and be moved somewhere else or they can be moved by erosion and then settle as soil.
