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The Restless Earth
Transcript of The Restless Earth
The structure of the earth
Andes Fold mountains
Earthquakes, Volcanoes, Supervolcanoes and Tsunamis
Earthquakes and Volcanoes
The Restless Earth
Split into tectonic plates, these move around.
Hotter towards the core, cooler towards the crust. This is semi molten rock.
It's very hot here made of molten rock.
The hottest part of the earth but solid as it is under lots of pressure.
Why the plates move
(A brilliant song)
There's lots of different ways these are used
This makes lots of money as it extracts valuable materials.
But it causes massive damage to the environment.
This is mainly subsistence farming, so that the soil holds the water needed for the crops to grow terracing is used.
There are lots of natural tourist attractions with the mountains.
Other attractions like the Inca Trail and Machu Picchu bring in lots of tourists.
The steep slopes and large amount of rainfall make the area ideal for hydroelectricity.
There are small and large scale projects. They are good because they are sustainable.
Steep sides, made of layers of ash and lava. Found on destructive plate boundaries.
Erupt violently but infrequently.
Low wide cone shape.
Made of lava not ash.
Erupt frequently but not violent.
An earthquake in a poorer country
Mount St Helens
Need more information?
Go to moodle http://moodle.bishopr.co.uk/course/view.php?id=2453
or twitter @brgeography