Flashcards
Restless Earth
Flashcards do conjunto (15)
- 1EarthquakeShaking of the earths crust.
- 2VolcanoPlace in the earths crust where ash & lava erupt.
- 3Tectonic plateA section of the earth crust
- 4Plate marginThe boundary of more than one tectonic plate
- 5EruptionWhen lave, ash or gas comes out of a volcano
- 6EpicentreThe place where an earthquake starts. (under the crust)
- 7Primary EffectsThings that happen immediately after/during an eruption or 'quake.
- 8Secondary EffectsThings that happen a while after/future to the event. (long term)
- 9PredictionMonitoring a volcano or fault line to try to predict future eruptions/'quakes.
(predict future activity) - 10ResponseAid following the event. (tents, water and/or food)
- 11PreparationSteps taken before hand to help get ready for the event. (e.g planning an evacuation route or specially built buildings)
- 12Case studies (1 earthquake + 2 Volcanic)Earthquake: Haiti 2010 (port-au-prince) LEDC
Volcano: Mt St Helens 1980 (USA) MEDC
or
Chances Peak 1997 Monserrat) LEDC - 13Structure of the EarthCrust
Upper Mantle
Mantle
Outer Core
Inner Core - 14Types of plate boundariesConstructive (new material rises)
Destructive (subsiding oceanic crust)
Conservative (Opposite friction- earthquakes)
Collision (mountain ranges) - 15Convection CurrentsHeat from Radioactive material in the core causes magma in the mantle to move in circular movements which move the plates.
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- GCSE Geography FlashCards sobre Restless Earth, criado por bonnie_bow_thomp em 06-01-2016.
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- bonnie_bow_thomp
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