Post on 18-Jan-2018
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Weathering of RocksConcept Map
Rocks
Made from
Grains of minerals
Close together
Spaces in between
Rocks are porous
Rocks are non porous
Breaking up is called
WeatheringBreaking up caused by
Breaking up caused by
Chemicals – including acid rain.
Mechanical changes – including thermal
changes , water and wind.
Very slow process – takes millions of years.
How long?
Followed by:
ErosionWhich results
in:
Particles being transported
away by water and wind
Particles move faster and further if:
The particles are small
They become:
Smaller and rounder
Due to:
Abrasion
Then they are:
Deposited
To become
Sedimentary rocks
That may
have:
Fossils of plants or animals