Physical Geography - Restless Earth 0.0 / 5 ? GeographyNatural hazardsGCSEAQA Created by: spacejarvoCreated on: 21-05-17 10:52 what is a destructive margin two plates moving towards each other 1 of 18 what is a constructive margin two plates moving apart 2 of 18 what is a conservative margin two plates moving past each other 3 of 18 where are fold mountains formed at destructive margins 4 of 18 what are fold mountains used for farming, mining, tourism, HEP, forestry 5 of 18 what is a composite volcano steep sided, made of ash and lava, thick and slow flowing lava 6 of 18 what is a shield volcano gentle slopes, made of lava, runny and fast flowing lava 7 of 18 what is a dome volcano steep sided, made of lava, thick and slow flowing lava 8 of 18 how can we predict an eruption earthquakes, escaping gas, changes in shape of volcano, behaviour of wildlife, water pressure/temperature, thermal imaging 9 of 18 what is a supervolcano a volcano that erupts at least 1000km^3 of material 10 of 18 how are supervolcanoes identified they are marked by calderas which often have a rim of higher land around the edges - supervolcanoes aren't cone shaped 11 of 18 what is a tsunami caused by the displacement of water (earthquakes, land slides, rockfall, volcanoes, meteors) 12 of 18 how many tsunami waves are there always more than one 13 of 18 how far apart are tsunami waves up to 200km 14 of 18 how fast do tsunami waves travel around 800kmph slowing down as they get closer to land 15 of 18 when do tsunami waves stop when they reach high land 16 of 18 how tall are tsunami waves usually 25-30m 17 of 18 what is the main impact of tsunamis flooding 18 of 18
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