6156350
Beschreibung
Mindmap von Hayley Slater, aktualisiert more than 1 year ago
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Erstellt von Hayley Slater
vor fast 8 Jahre
|
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weathering &
erosion
- Biological weathering
- seeds fall into the cracks in rocks will grow
with moisture
- the roots
force
through
the stone
cracks and
make
more
cracks
- animals like rabbits
widen cracks
further.
- this results in the rocks
breaking up.
- this results in the rocks
breaking up.
- animals like rabbits
widen cracks
further.
- the roots
force
through
the stone
cracks and
make
more
cracks
- this is the
action of plants
and animal on
the land.
- seeds fall into the cracks in rocks will grow
with moisture
- Physical weathering
- water gets into the
cracks of rocks.
- when the temperature drops
below freezing the water will expand
as it turns into ice
- this expansion puts pressure on the rock around it
increasing the sizeof the cracks.
- over time this causes rocks to
weaken therefore break off.
- over time this causes rocks to
weaken therefore break off.
- this expansion puts pressure on the rock around it
increasing the sizeof the cracks.
- also known as freeze-thaw or
frost action
- when the temperature drops
below freezing the water will expand
as it turns into ice
- water gets into the
cracks of rocks.
- rainwater contains weak acids that can react with certain rocks
- this causes the rocks to break up and disintegrates
- this causes the rocks to break up and disintegrates
- chemical weathering
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