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

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