A2 Edexcel Unit 4-tectonic activity and hazards.

* I will not be commenting on the pre-release, this is only available as a result of my mock in January.

* These are my case studies, you don't need to use them, it is best for you to research them but you can use mine if you want.

* Useful for those difficult concepts.

Good luck for your exam!

--> Created for the June 2014 exam, it many not be useful after that because of the change in specification but check with your spec.

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Overview of exam: Tectonic activity and
hazards
You will sit an exam for 1 hour and a half, the paper will be out of 70 marks and it will be in the format of an
essay-style report. This is used to show the depth and quality of your understanding of…

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Describe and illustrate the threats from a range of volcanoes and earthquakes.

Volcanoes
Lava flows- this is when liquid rock is expelled from the crown of the volcano. Depending on the viscosity of
the lava, depends on the rate of movement of the lava. The viscosity, in itself is influenced…

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4. Areal extent-the surrounding area that is directly affected. This varies depending on the magnitude and
location of the hazard.
5. Speed of onset-this is time taken for the tectonic event to take effect.
E.g. the super volcano Yellowstone would take over a year to erupt.


What is the world's…

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Types of plate boundaries on a tectonic map




You need to know the structure of the Earth and the location of the
major tectonic plates and plate boundaries.

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Illustrate the different types of plate boundary: convergent, divergent and transform

Convergent

Convergent is the new term for destructive (GCSE
term) plate boundary.

The plates move towards each other.
Due to descending convection currents in the
mantle.

The oceanic crust is denser than continental crust and
so when they converge…

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PHYSICAL IMPACTS-it was a previously unknown strike-slip fault and liquefaction was widespread: elevated by
rupturing water pipes.
HUMAN IMPACTS-$16 NZ, half of buildings were destroyed and the Canterbury Christchurch television building
killed 85 people.
TECTONIC PROOF-the AMI stadium had strengthened foundations as a result of the September 2010
earthquake but…

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Haiti
January 2010 earthquake.
Slip of Enriquillo Plaintain Garden fault (locked for 200 years)
MAGNITUDE-7
TIME-16:53
LOCATION-Port-au-Prince (capital and most densely populated area), Haiti
PHYSICAL IMPACTS-5.9 aftershock, 20 million m3 of rubble-5% cleared
HUMAN IMPACTS-230,000 dead, 1 million homeless and 3 million people affected. Small businesses were
essential for Haiti's…

Comments

Mr A Gibson

Exam focused resource preparation resource suitable for any board, not just the titular Edexcel. A range of data and information techniques to appeal to all learners. A thorough insight including natural processes and case studies.

Bethany Cunningham

Thank you very much Mr Gibson. 

hajs

you are awesome!!

Bethany Cunningham

Thanks Hajs! 

Dominic

Many thanks, a great resource!

jbenisaac

legend

aidanquigley

cheers

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