key words 0.0 / 5 ? GeographyNatural hazardsGCSEEdexcel Created by: HurricanobvbCreated on: 30-10-13 15:09 asthenosphere the upper part of the earths mantle where the rocks are more fluid 1 of 18 core the central part of the earth consisting of a solid inner core and a more fluid outer core and mostly composed of iron and nickle 2 of 18 continental crust the part of the crust dominated by less dense granitic rock 3 of 18 oceanic crust the part of the crust dominated by denser basaltic rock 4 of 18 plate margins the boundary between 2 tectonic plates 5 of 18 collision plate boundry a tectonic margin at which two continental plates come together 6 of 18 destructive plate boundry tectonic plate margins where oceanic plate is subducted 7 of 18 conservative plate boundry where 2 tectonic plates slide past eachother 8 of 18 constructive plate boundry tectonic plate margin where rising magma adds new material to the diverging plates 9 of 18 convection currents circulating movements of magma in the mantle caused by heat in the core 10 of 18 magnitude the size of something 11 of 18 tectonic hazards threats posed by earthquakes volcanoes and other events triggered by crustal processes 12 of 18 prediction forecasting future events 13 of 18 preparation the process of getting ready for an event 14 of 18 response the way in which people react to a situation 15 of 18 evacuation the removal of people from an area generally in an attempt to avoid a threat 16 of 18 long term planning planning that looks beyond immediate costs and benefits by exploring impacts in the future 17 of 18 short term emergency relief help and aid provided to an area to prevent immediate loss of life because of shortages of basics such as water food and shelter 18 of 18
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